diff options
Diffstat (limited to 'src/main/java/org/traccar/storage')
-rw-r--r-- | src/main/java/org/traccar/storage/DatabaseModule.java | 103 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/DatabaseStorage.java | 410 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/MemoryStorage.java | 79 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/QueryBuilder.java | 509 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/QueryIgnore.java | 26 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/Storage.java | 53 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/StorageException.java | 32 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/StorageName.java | 27 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/query/Columns.java | 81 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/query/Condition.java | 211 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/query/Limit.java | 30 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/query/Order.java | 46 | ||||
-rw-r--r-- | src/main/java/org/traccar/storage/query/Request.java | 58 |
13 files changed, 1665 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/storage/DatabaseModule.java b/src/main/java/org/traccar/storage/DatabaseModule.java new file mode 100644 index 000000000..3e3483818 --- /dev/null +++ b/src/main/java/org/traccar/storage/DatabaseModule.java @@ -0,0 +1,103 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import com.google.inject.AbstractModule; +import com.google.inject.Provides; +import com.zaxxer.hikari.HikariConfig; +import com.zaxxer.hikari.HikariDataSource; +import liquibase.Contexts; +import liquibase.Liquibase; +import liquibase.database.Database; +import liquibase.database.DatabaseFactory; +import liquibase.exception.LiquibaseException; +import liquibase.resource.DirectoryResourceAccessor; +import liquibase.resource.ResourceAccessor; +import org.traccar.config.Config; +import org.traccar.config.Keys; + +import javax.inject.Singleton; +import javax.sql.DataSource; +import java.io.File; +import java.io.IOException; +import java.lang.reflect.Method; +import java.net.URL; + +public class DatabaseModule extends AbstractModule { + + @Singleton + @Provides + public static DataSource provideDataSource( + Config config) throws ReflectiveOperationException, IOException, LiquibaseException { + + String driverFile = config.getString(Keys.DATABASE_DRIVER_FILE); + if (driverFile != null) { + ClassLoader classLoader = ClassLoader.getSystemClassLoader(); + try { + Method method = classLoader.getClass().getDeclaredMethod("addURL", URL.class); + method.setAccessible(true); + method.invoke(classLoader, new File(driverFile).toURI().toURL()); + } catch (NoSuchMethodException e) { + Method method = classLoader.getClass() + .getDeclaredMethod("appendToClassPathForInstrumentation", String.class); + method.setAccessible(true); + method.invoke(classLoader, driverFile); + } + } + + String driver = config.getString(Keys.DATABASE_DRIVER); + if (driver != null) { + Class.forName(driver); + } + + HikariConfig hikariConfig = new HikariConfig(); + hikariConfig.setDriverClassName(driver); + hikariConfig.setJdbcUrl(config.getString(Keys.DATABASE_URL)); + hikariConfig.setUsername(config.getString(Keys.DATABASE_USER)); + hikariConfig.setPassword(config.getString(Keys.DATABASE_PASSWORD)); + hikariConfig.setConnectionInitSql(config.getString(Keys.DATABASE_CHECK_CONNECTION)); + hikariConfig.setIdleTimeout(600000); + + int maxPoolSize = config.getInteger(Keys.DATABASE_MAX_POOL_SIZE); + if (maxPoolSize != 0) { + hikariConfig.setMaximumPoolSize(maxPoolSize); + } + + DataSource dataSource = new HikariDataSource(hikariConfig); + + if (config.hasKey(Keys.DATABASE_CHANGELOG)) { + + ResourceAccessor resourceAccessor = new DirectoryResourceAccessor(new File(".")); + + Database database = DatabaseFactory.getInstance().openDatabase( + config.getString(Keys.DATABASE_URL), + config.getString(Keys.DATABASE_USER), + config.getString(Keys.DATABASE_PASSWORD), + config.getString(Keys.DATABASE_DRIVER), + null, null, null, resourceAccessor); + + String changelog = config.getString(Keys.DATABASE_CHANGELOG); + + try (Liquibase liquibase = new Liquibase(changelog, resourceAccessor, database)) { + liquibase.clearCheckSums(); + liquibase.update(new Contexts()); + } + } + + return dataSource; + } + +} diff --git a/src/main/java/org/traccar/storage/DatabaseStorage.java b/src/main/java/org/traccar/storage/DatabaseStorage.java new file mode 100644 index 000000000..a049a641c --- /dev/null +++ b/src/main/java/org/traccar/storage/DatabaseStorage.java @@ -0,0 +1,410 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.traccar.config.Config; +import org.traccar.model.BaseModel; +import org.traccar.model.Device; +import org.traccar.model.Group; +import org.traccar.model.GroupedModel; +import org.traccar.model.Permission; +import org.traccar.storage.query.Columns; +import org.traccar.storage.query.Condition; +import org.traccar.storage.query.Order; +import org.traccar.storage.query.Request; + +import javax.inject.Inject; +import javax.sql.DataSource; +import java.sql.SQLException; +import java.util.HashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.function.Function; +import java.util.stream.Collectors; + +public class DatabaseStorage extends Storage { + + private final Config config; + private final DataSource dataSource; + private final ObjectMapper objectMapper; + private final String databaseType; + + @Inject + public DatabaseStorage(Config config, DataSource dataSource, ObjectMapper objectMapper) { + this.config = config; + this.dataSource = dataSource; + this.objectMapper = objectMapper; + + try { + databaseType = dataSource.getConnection().getMetaData().getDatabaseProductName(); + } catch (SQLException e) { + throw new RuntimeException(e); + } + } + + @Override + public <T> List<T> getObjects(Class<T> clazz, Request request) throws StorageException { + StringBuilder query = new StringBuilder("SELECT "); + if (request.getColumns() instanceof Columns.All) { + query.append('*'); + } else { + query.append(formatColumns(request.getColumns().getColumns(clazz, "set"), c -> c)); + } + query.append(" FROM ").append(getStorageName(clazz)); + query.append(formatCondition(request.getCondition())); + query.append(formatOrder(request.getOrder())); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString()); + for (Map.Entry<String, Object> variable : getConditionVariables(request.getCondition()).entrySet()) { + builder.setValue(variable.getKey(), variable.getValue()); + } + return builder.executeQuery(clazz); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + @Override + public <T> long addObject(T entity, Request request) throws StorageException { + List<String> columns = request.getColumns().getColumns(entity.getClass(), "get"); + StringBuilder query = new StringBuilder("INSERT INTO "); + query.append(getStorageName(entity.getClass())); + query.append("("); + query.append(formatColumns(columns, c -> c)); + query.append(") VALUES ("); + query.append(formatColumns(columns, c -> ':' + c)); + query.append(")"); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString(), true); + builder.setObject(entity, columns); + return builder.executeUpdate(); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + @Override + public <T> void updateObject(T entity, Request request) throws StorageException { + List<String> columns = request.getColumns().getColumns(entity.getClass(), "get"); + StringBuilder query = new StringBuilder("UPDATE "); + query.append(getStorageName(entity.getClass())); + query.append(" SET "); + query.append(formatColumns(columns, c -> c + " = :" + c)); + query.append(formatCondition(request.getCondition())); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString()); + builder.setObject(entity, columns); + for (Map.Entry<String, Object> variable : getConditionVariables(request.getCondition()).entrySet()) { + builder.setValue(variable.getKey(), variable.getValue()); + } + builder.executeUpdate(); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + @Override + public void removeObject(Class<?> clazz, Request request) throws StorageException { + StringBuilder query = new StringBuilder("DELETE FROM "); + query.append(getStorageName(clazz)); + query.append(formatCondition(request.getCondition())); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString()); + for (Map.Entry<String, Object> variable : getConditionVariables(request.getCondition()).entrySet()) { + builder.setValue(variable.getKey(), variable.getValue()); + } + builder.executeUpdate(); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + @Override + public List<Permission> getPermissions( + Class<? extends BaseModel> ownerClass, long ownerId, + Class<? extends BaseModel> propertyClass, long propertyId) throws StorageException { + StringBuilder query = new StringBuilder("SELECT * FROM "); + query.append(Permission.getStorageName(ownerClass, propertyClass)); + var conditions = new LinkedList<Condition>(); + if (ownerId > 0) { + conditions.add(new Condition.Equals(Permission.getKey(ownerClass), ownerId)); + } + if (propertyId > 0) { + conditions.add(new Condition.Equals(Permission.getKey(propertyClass), propertyId)); + } + Condition combinedCondition = Condition.merge(conditions); + query.append(formatCondition(combinedCondition)); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString()); + for (Map.Entry<String, Object> variable : getConditionVariables(combinedCondition).entrySet()) { + builder.setValue(variable.getKey(), variable.getValue()); + } + return builder.executePermissionsQuery(); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + @Override + public void addPermission(Permission permission) throws StorageException { + StringBuilder query = new StringBuilder("INSERT INTO "); + query.append(permission.getStorageName()); + query.append(" VALUES ("); + query.append(permission.get().keySet().stream().map(key -> ':' + key).collect(Collectors.joining(", "))); + query.append(")"); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString(), true); + for (var entry : permission.get().entrySet()) { + builder.setLong(entry.getKey(), entry.getValue()); + } + builder.executeUpdate(); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + @Override + public void removePermission(Permission permission) throws StorageException { + StringBuilder query = new StringBuilder("DELETE FROM "); + query.append(permission.getStorageName()); + query.append(" WHERE "); + query.append(permission + .get().keySet().stream().map(key -> key + " = :" + key).collect(Collectors.joining(" AND "))); + try { + QueryBuilder builder = QueryBuilder.create(config, dataSource, objectMapper, query.toString(), true); + for (var entry : permission.get().entrySet()) { + builder.setLong(entry.getKey(), entry.getValue()); + } + builder.executeUpdate(); + } catch (SQLException e) { + throw new StorageException(e); + } + } + + private String getStorageName(Class<?> clazz) throws StorageException { + StorageName storageName = clazz.getAnnotation(StorageName.class); + if (storageName == null) { + throw new StorageException("StorageName annotation is missing"); + } + return storageName.value(); + } + + private Map<String, Object> getConditionVariables(Condition genericCondition) { + Map<String, Object> results = new HashMap<>(); + if (genericCondition instanceof Condition.Compare) { + var condition = (Condition.Compare) genericCondition; + if (condition.getValue() != null) { + results.put(condition.getVariable(), condition.getValue()); + } + } else if (genericCondition instanceof Condition.Between) { + var condition = (Condition.Between) genericCondition; + results.put(condition.getFromVariable(), condition.getFromValue()); + results.put(condition.getToVariable(), condition.getToValue()); + } else if (genericCondition instanceof Condition.Binary) { + var condition = (Condition.Binary) genericCondition; + results.putAll(getConditionVariables(condition.getFirst())); + results.putAll(getConditionVariables(condition.getSecond())); + } else if (genericCondition instanceof Condition.Permission) { + var condition = (Condition.Permission) genericCondition; + if (condition.getOwnerId() > 0) { + results.put(Permission.getKey(condition.getOwnerClass()), condition.getOwnerId()); + } else { + results.put(Permission.getKey(condition.getPropertyClass()), condition.getPropertyId()); + } + } else if (genericCondition instanceof Condition.LatestPositions) { + var condition = (Condition.LatestPositions) genericCondition; + if (condition.getDeviceId() > 0) { + results.put("deviceId", condition.getDeviceId()); + } + } + return results; + } + + private String formatColumns(List<String> columns, Function<String, String> mapper) { + return columns.stream().map(mapper).collect(Collectors.joining(", ")); + } + + private String formatCondition(Condition genericCondition) throws StorageException { + return formatCondition(genericCondition, true); + } + + private String formatCondition(Condition genericCondition, boolean appendWhere) throws StorageException { + StringBuilder result = new StringBuilder(); + if (genericCondition != null) { + if (appendWhere) { + result.append(" WHERE "); + } + if (genericCondition instanceof Condition.Compare) { + + var condition = (Condition.Compare) genericCondition; + result.append(condition.getColumn()); + result.append(" "); + result.append(condition.getOperator()); + result.append(" :"); + result.append(condition.getVariable()); + + } else if (genericCondition instanceof Condition.Between) { + + var condition = (Condition.Between) genericCondition; + result.append(condition.getColumn()); + result.append(" BETWEEN :"); + result.append(condition.getFromVariable()); + result.append(" AND :"); + result.append(condition.getToVariable()); + + } else if (genericCondition instanceof Condition.Binary) { + + var condition = (Condition.Binary) genericCondition; + result.append(formatCondition(condition.getFirst(), false)); + result.append(" "); + result.append(condition.getOperator()); + result.append(" "); + result.append(formatCondition(condition.getSecond(), false)); + + } else if (genericCondition instanceof Condition.Permission) { + + var condition = (Condition.Permission) genericCondition; + result.append("id IN ("); + result.append(formatPermissionQuery(condition)); + result.append(")"); + + } else if (genericCondition instanceof Condition.LatestPositions) { + + var condition = (Condition.LatestPositions) genericCondition; + result.append("id IN ("); + result.append("SELECT positionId FROM "); + result.append(getStorageName(Device.class)); + if (condition.getDeviceId() > 0) { + result.append(" WHERE id = :deviceId"); + } + result.append(")"); + + } + } + return result.toString(); + } + + private String formatOrder(Order order) { + StringBuilder result = new StringBuilder(); + if (order != null) { + result.append(" ORDER BY "); + result.append(order.getColumn()); + if (order.getDescending()) { + result.append(" DESC"); + } + if (order.getLimit() > 0) { + if (databaseType.equals("Microsoft SQL Server")) { + result.append(" OFFSET 0 ROWS FETCH FIRST "); + result.append(order.getLimit()); + result.append(" ROWS ONLY"); + } else { + result.append(" LIMIT "); + result.append(order.getLimit()); + } + } + } + return result.toString(); + } + + private String formatPermissionQuery(Condition.Permission condition) throws StorageException { + StringBuilder result = new StringBuilder(); + + String outputKey; + String conditionKey; + if (condition.getOwnerId() > 0) { + outputKey = Permission.getKey(condition.getPropertyClass()); + conditionKey = Permission.getKey(condition.getOwnerClass()); + } else { + outputKey = Permission.getKey(condition.getOwnerClass()); + conditionKey = Permission.getKey(condition.getPropertyClass()); + } + + String storageName = Permission.getStorageName(condition.getOwnerClass(), condition.getPropertyClass()); + result.append("SELECT "); + result.append(storageName).append('.').append(outputKey); + result.append(" FROM "); + result.append(storageName); + result.append(" WHERE "); + result.append(conditionKey); + result.append(" = :"); + result.append(conditionKey); + + if (condition.getIncludeGroups()) { + + boolean expandDevices; + String groupStorageName; + if (GroupedModel.class.isAssignableFrom(condition.getOwnerClass())) { + expandDevices = Device.class.isAssignableFrom(condition.getOwnerClass()); + groupStorageName = Permission.getStorageName(Group.class, condition.getPropertyClass()); + } else { + expandDevices = Device.class.isAssignableFrom(condition.getPropertyClass()); + groupStorageName = Permission.getStorageName(condition.getOwnerClass(), Group.class); + } + + result.append(" UNION "); + + result.append("SELECT DISTINCT "); + if (!expandDevices) { + if (outputKey.equals("groupId")) { + result.append("all_groups."); + } else { + result.append(groupStorageName).append('.'); + } + } + result.append(outputKey); + result.append(" FROM "); + result.append(groupStorageName); + + result.append(" INNER JOIN ("); + result.append("SELECT id as parentId, id as groupId FROM "); + result.append(getStorageName(Group.class)); + result.append(" UNION "); + result.append("SELECT groupId as parentId, id as groupId FROM "); + result.append(getStorageName(Group.class)); + result.append(" WHERE groupId IS NOT NULL"); + result.append(" UNION "); + result.append("SELECT g2.groupId as parentId, g1.id as groupId FROM "); + result.append(getStorageName(Group.class)); + result.append(" AS g2"); + result.append(" INNER JOIN "); + result.append(getStorageName(Group.class)); + result.append(" AS g1 ON g2.id = g1.groupId"); + result.append(" WHERE g2.groupId IS NOT NULL"); + result.append(") AS all_groups ON "); + result.append(groupStorageName); + result.append(".groupId = all_groups.parentId"); + + if (expandDevices) { + result.append(" INNER JOIN ("); + result.append("SELECT groupId as parentId, id as deviceId FROM "); + result.append(getStorageName(Device.class)); + result.append(" WHERE groupId IS NOT NULL"); + result.append(") AS devices ON all_groups.groupId = devices.parentId"); + } + + result.append(" WHERE "); + result.append(conditionKey); + result.append(" = :"); + result.append(conditionKey); + + } + + return result.toString(); + } + +} diff --git a/src/main/java/org/traccar/storage/MemoryStorage.java b/src/main/java/org/traccar/storage/MemoryStorage.java new file mode 100644 index 000000000..f19897ff8 --- /dev/null +++ b/src/main/java/org/traccar/storage/MemoryStorage.java @@ -0,0 +1,79 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import org.traccar.model.BaseModel; +import org.traccar.model.Pair; +import org.traccar.model.Permission; +import org.traccar.storage.query.Request; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; + +public class MemoryStorage extends Storage { + + private final Map<Pair<Class<?>, Class<?>>, Set<Pair<Long, Long>>> permissions = new HashMap<>(); + + @Override + public <T> List<T> getObjects(Class<T> clazz, Request request) { + return null; + } + + @Override + public <T> long addObject(T entity, Request request) { + return 0; + } + + @Override + public <T> void updateObject(T entity, Request request) { + } + + @Override + public void removeObject(Class<?> clazz, Request request) { + } + + private Set<Pair<Long, Long>> getPermissionsSet(Class<?> ownerClass, Class<?> propertyClass) { + return permissions.computeIfAbsent(new Pair<>(ownerClass, propertyClass), k -> new HashSet<>()); + } + + @Override + public List<Permission> getPermissions( + Class<? extends BaseModel> ownerClass, long ownerId, + Class<? extends BaseModel> propertyClass, long propertyId) { + return getPermissionsSet(ownerClass, propertyClass).stream() + .filter(pair -> ownerId == 0 || pair.getFirst().equals(ownerId)) + .filter(pair -> propertyId == 0 || pair.getSecond().equals(propertyId)) + .map(pair -> new Permission(ownerClass, pair.getFirst(), propertyClass, pair.getSecond())) + .collect(Collectors.toList()); + } + + @Override + public void addPermission(Permission permission) { + getPermissionsSet(permission.getOwnerClass(), permission.getPropertyClass()) + .add(new Pair<>(permission.getOwnerId(), permission.getPropertyId())); + } + + @Override + public void removePermission(Permission permission) { + getPermissionsSet(permission.getOwnerClass(), permission.getPropertyClass()) + .remove(new Pair<>(permission.getOwnerId(), permission.getPropertyId())); + } + +} diff --git a/src/main/java/org/traccar/storage/QueryBuilder.java b/src/main/java/org/traccar/storage/QueryBuilder.java new file mode 100644 index 000000000..2f4c07406 --- /dev/null +++ b/src/main/java/org/traccar/storage/QueryBuilder.java @@ -0,0 +1,509 @@ +/* + * Copyright 2015 - 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.traccar.config.Config; +import org.traccar.config.Keys; +import org.traccar.model.Permission; + +import javax.sql.DataSource; +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.ResultSetMetaData; +import java.sql.SQLException; +import java.sql.Statement; +import java.sql.Timestamp; +import java.sql.Types; +import java.util.Date; +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +@SuppressWarnings("UnusedReturnValue") +public final class QueryBuilder { + + private static final Logger LOGGER = LoggerFactory.getLogger(QueryBuilder.class); + + private final Config config; + private final ObjectMapper objectMapper; + + private final Map<String, List<Integer>> indexMap = new HashMap<>(); + private Connection connection; + private PreparedStatement statement; + private final String query; + private final boolean returnGeneratedKeys; + + private QueryBuilder( + Config config, DataSource dataSource, ObjectMapper objectMapper, + String query, boolean returnGeneratedKeys) throws SQLException { + this.config = config; + this.objectMapper = objectMapper; + this.query = query; + this.returnGeneratedKeys = returnGeneratedKeys; + if (query != null) { + connection = dataSource.getConnection(); + String parsedQuery = parse(query.trim(), indexMap); + try { + if (returnGeneratedKeys) { + statement = connection.prepareStatement(parsedQuery, Statement.RETURN_GENERATED_KEYS); + } else { + statement = connection.prepareStatement(parsedQuery); + } + } catch (SQLException error) { + connection.close(); + throw error; + } + } + } + + private static String parse(String query, Map<String, List<Integer>> paramMap) { + + int length = query.length(); + StringBuilder parsedQuery = new StringBuilder(length); + boolean inSingleQuote = false; + boolean inDoubleQuote = false; + int index = 1; + + for (int i = 0; i < length; i++) { + + char c = query.charAt(i); + + // String end + if (inSingleQuote) { + if (c == '\'') { + inSingleQuote = false; + } + } else if (inDoubleQuote) { + if (c == '"') { + inDoubleQuote = false; + } + } else { + + // String begin + if (c == '\'') { + inSingleQuote = true; + } else if (c == '"') { + inDoubleQuote = true; + } else if (c == ':' && i + 1 < length + && Character.isJavaIdentifierStart(query.charAt(i + 1))) { + + // Identifier name + int j = i + 2; + while (j < length && Character.isJavaIdentifierPart(query.charAt(j))) { + j++; + } + + String name = query.substring(i + 1, j); + c = '?'; + i += name.length(); + name = name.toLowerCase(); + + // Add to list + List<Integer> indexList = paramMap.computeIfAbsent(name, k -> new LinkedList<>()); + indexList.add(index); + + index++; + } + } + + parsedQuery.append(c); + } + + return parsedQuery.toString(); + } + + public static QueryBuilder create( + Config config, DataSource dataSource, ObjectMapper objectMapper, String query) throws SQLException { + return new QueryBuilder(config, dataSource, objectMapper, query, false); + } + + public static QueryBuilder create( + Config config, DataSource dataSource, ObjectMapper objectMapper, String query, + boolean returnGeneratedKeys) throws SQLException { + return new QueryBuilder(config, dataSource, objectMapper, query, returnGeneratedKeys); + } + + private List<Integer> indexes(String name) { + name = name.toLowerCase(); + List<Integer> result = indexMap.get(name); + if (result == null) { + result = new LinkedList<>(); + } + return result; + } + + public QueryBuilder setBoolean(String name, boolean value) throws SQLException { + for (int i : indexes(name)) { + try { + statement.setBoolean(i, value); + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setInteger(String name, int value) throws SQLException { + for (int i : indexes(name)) { + try { + statement.setInt(i, value); + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setLong(String name, long value) throws SQLException { + return setLong(name, value, false); + } + + public QueryBuilder setLong(String name, long value, boolean nullIfZero) throws SQLException { + for (int i : indexes(name)) { + try { + if (value == 0 && nullIfZero) { + statement.setNull(i, Types.INTEGER); + } else { + statement.setLong(i, value); + } + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setDouble(String name, double value) throws SQLException { + for (int i : indexes(name)) { + try { + statement.setDouble(i, value); + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setString(String name, String value) throws SQLException { + for (int i : indexes(name)) { + try { + if (value == null) { + statement.setNull(i, Types.VARCHAR); + } else { + statement.setString(i, value); + } + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setDate(String name, Date value) throws SQLException { + for (int i : indexes(name)) { + try { + if (value == null) { + statement.setNull(i, Types.TIMESTAMP); + } else { + statement.setTimestamp(i, new Timestamp(value.getTime())); + } + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setBlob(String name, byte[] value) throws SQLException { + for (int i : indexes(name)) { + try { + if (value == null) { + statement.setNull(i, Types.BLOB); + } else { + statement.setBytes(i, value); + } + } catch (SQLException error) { + statement.close(); + connection.close(); + throw error; + } + } + return this; + } + + public QueryBuilder setValue(String name, Object value) throws SQLException { + if (value instanceof Boolean) { + setBoolean(name, (Boolean) value); + } else if (value instanceof Integer) { + setInteger(name, (Integer) value); + } else if (value instanceof Long) { + setLong(name, (Long) value); + } else if (value instanceof Double) { + setDouble(name, (Double) value); + } else if (value instanceof String) { + setString(name, (String) value); + } else if (value instanceof Date) { + setDate(name, (Date) value); + } + return this; + } + + public QueryBuilder setObject(Object object, List<String> columns) throws SQLException { + + try { + for (String column : columns) { + Method method = object.getClass().getMethod( + "get" + Character.toUpperCase(column.charAt(0)) + column.substring(1)); + if (method.getReturnType().equals(boolean.class)) { + setBoolean(column, (Boolean) method.invoke(object)); + } else if (method.getReturnType().equals(int.class)) { + setInteger(column, (Integer) method.invoke(object)); + } else if (method.getReturnType().equals(long.class)) { + setLong(column, (Long) method.invoke(object), column.endsWith("Id")); + } else if (method.getReturnType().equals(double.class)) { + setDouble(column, (Double) method.invoke(object)); + } else if (method.getReturnType().equals(String.class)) { + setString(column, (String) method.invoke(object)); + } else if (method.getReturnType().equals(Date.class)) { + setDate(column, (Date) method.invoke(object)); + } else if (method.getReturnType().equals(byte[].class)) { + setBlob(column, (byte[]) method.invoke(object)); + } else { + setString(column, objectMapper.writeValueAsString(method.invoke(object))); + } + } + } catch (ReflectiveOperationException | JsonProcessingException e) { + LOGGER.warn("Set object error", e); + } + + return this; + } + + private interface ResultSetProcessor<T> { + void process(T object, ResultSet resultSet) throws SQLException; + } + + private <T> void addProcessors( + List<ResultSetProcessor<T>> processors, + final Class<?> parameterType, final Method method, final String name) { + + if (parameterType.equals(boolean.class)) { + processors.add((object, resultSet) -> { + try { + method.invoke(object, resultSet.getBoolean(name)); + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else if (parameterType.equals(int.class)) { + processors.add((object, resultSet) -> { + try { + method.invoke(object, resultSet.getInt(name)); + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else if (parameterType.equals(long.class)) { + processors.add((object, resultSet) -> { + try { + method.invoke(object, resultSet.getLong(name)); + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else if (parameterType.equals(double.class)) { + processors.add((object, resultSet) -> { + try { + method.invoke(object, resultSet.getDouble(name)); + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else if (parameterType.equals(String.class)) { + processors.add((object, resultSet) -> { + try { + method.invoke(object, resultSet.getString(name)); + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else if (parameterType.equals(Date.class)) { + processors.add((object, resultSet) -> { + try { + Timestamp timestamp = resultSet.getTimestamp(name); + if (timestamp != null) { + method.invoke(object, new Date(timestamp.getTime())); + } + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else if (parameterType.equals(byte[].class)) { + processors.add((object, resultSet) -> { + try { + method.invoke(object, resultSet.getBytes(name)); + } catch (IllegalAccessException | InvocationTargetException error) { + LOGGER.warn("Set property error", error); + } + }); + } else { + processors.add((object, resultSet) -> { + String value = resultSet.getString(name); + if (value != null && !value.isEmpty()) { + try { + method.invoke(object, objectMapper.readValue(value, parameterType)); + } catch (InvocationTargetException | IllegalAccessException | IOException error) { + LOGGER.warn("Set property error", error); + } + } + }); + } + } + + private void logQuery() { + if (config.getBoolean(Keys.LOGGER_QUERIES)) { + LOGGER.info(query); + } + } + + public <T> List<T> executeQuery(Class<T> clazz) throws SQLException { + List<T> result = new LinkedList<>(); + + if (query != null) { + + try { + + logQuery(); + + try (ResultSet resultSet = statement.executeQuery()) { + + ResultSetMetaData resultMetaData = resultSet.getMetaData(); + + List<ResultSetProcessor<T>> processors = new LinkedList<>(); + + Method[] methods = clazz.getMethods(); + + for (final Method method : methods) { + if (method.getName().startsWith("set") && method.getParameterTypes().length == 1) { + + final String name = method.getName().substring(3); + + // Check if column exists + boolean column = false; + for (int i = 1; i <= resultMetaData.getColumnCount(); i++) { + if (name.equalsIgnoreCase(resultMetaData.getColumnLabel(i))) { + column = true; + break; + } + } + if (!column) { + continue; + } + + addProcessors(processors, method.getParameterTypes()[0], method, name); + } + } + + while (resultSet.next()) { + try { + T object = clazz.getDeclaredConstructor().newInstance(); + for (ResultSetProcessor<T> processor : processors) { + processor.process(object, resultSet); + } + result.add(object); + } catch (ReflectiveOperationException e) { + throw new IllegalArgumentException(); + } + } + } + + } finally { + statement.close(); + connection.close(); + } + } + + return result; + } + + public long executeUpdate() throws SQLException { + + if (query != null) { + try { + logQuery(); + statement.execute(); + if (returnGeneratedKeys) { + ResultSet resultSet = statement.getGeneratedKeys(); + if (resultSet.next()) { + return resultSet.getLong(1); + } + } + } finally { + statement.close(); + connection.close(); + } + } + return 0; + } + + public List<Permission> executePermissionsQuery() throws SQLException { + List<Permission> result = new LinkedList<>(); + if (query != null) { + try { + logQuery(); + try (ResultSet resultSet = statement.executeQuery()) { + ResultSetMetaData resultMetaData = resultSet.getMetaData(); + while (resultSet.next()) { + LinkedHashMap<String, Long> map = new LinkedHashMap<>(); + for (int i = 1; i <= resultMetaData.getColumnCount(); i++) { + String label = resultMetaData.getColumnLabel(i); + map.put(label, resultSet.getLong(label)); + } + result.add(new Permission(map)); + } + } + } finally { + statement.close(); + connection.close(); + } + } + + return result; + } + +} diff --git a/src/main/java/org/traccar/storage/QueryIgnore.java b/src/main/java/org/traccar/storage/QueryIgnore.java new file mode 100644 index 000000000..553d4b9fc --- /dev/null +++ b/src/main/java/org/traccar/storage/QueryIgnore.java @@ -0,0 +1,26 @@ +/* + * Copyright 2017 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +@Target(ElementType.METHOD) +@Retention(RetentionPolicy.RUNTIME) +public @interface QueryIgnore { +} diff --git a/src/main/java/org/traccar/storage/Storage.java b/src/main/java/org/traccar/storage/Storage.java new file mode 100644 index 000000000..55f5c22c0 --- /dev/null +++ b/src/main/java/org/traccar/storage/Storage.java @@ -0,0 +1,53 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import org.traccar.model.BaseModel; +import org.traccar.model.Permission; +import org.traccar.storage.query.Request; + +import java.util.List; + +public abstract class Storage { + + public abstract <T> List<T> getObjects(Class<T> clazz, Request request) throws StorageException; + + public abstract <T> long addObject(T entity, Request request) throws StorageException; + + public abstract <T> void updateObject(T entity, Request request) throws StorageException; + + public abstract void removeObject(Class<?> clazz, Request request) throws StorageException; + + public abstract List<Permission> getPermissions( + Class<? extends BaseModel> ownerClass, long ownerId, + Class<? extends BaseModel> propertyClass, long propertyId) throws StorageException; + + public abstract void addPermission(Permission permission) throws StorageException; + + public abstract void removePermission(Permission permission) throws StorageException; + + public List<Permission> getPermissions( + Class<? extends BaseModel> ownerClass, + Class<? extends BaseModel> propertyClass) throws StorageException { + return getPermissions(ownerClass, 0, propertyClass, 0); + } + + public <T> T getObject(Class<T> clazz, Request request) throws StorageException { + var objects = getObjects(clazz, request); + return objects.isEmpty() ? null : objects.get(0); + } + +} diff --git a/src/main/java/org/traccar/storage/StorageException.java b/src/main/java/org/traccar/storage/StorageException.java new file mode 100644 index 000000000..3f066cae6 --- /dev/null +++ b/src/main/java/org/traccar/storage/StorageException.java @@ -0,0 +1,32 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +public class StorageException extends Exception { + + public StorageException(String message) { + super(message); + } + + public StorageException(Throwable cause) { + super(cause); + } + + public StorageException(String message, Throwable cause) { + super(message, cause); + } + +} diff --git a/src/main/java/org/traccar/storage/StorageName.java b/src/main/java/org/traccar/storage/StorageName.java new file mode 100644 index 000000000..bf824c333 --- /dev/null +++ b/src/main/java/org/traccar/storage/StorageName.java @@ -0,0 +1,27 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +@Target(ElementType.TYPE) +@Retention(RetentionPolicy.RUNTIME) +public @interface StorageName { + String value(); +} diff --git a/src/main/java/org/traccar/storage/query/Columns.java b/src/main/java/org/traccar/storage/query/Columns.java new file mode 100644 index 000000000..a00400b36 --- /dev/null +++ b/src/main/java/org/traccar/storage/query/Columns.java @@ -0,0 +1,81 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage.query; + +import org.traccar.storage.QueryIgnore; + +import java.beans.Introspector; +import java.lang.reflect.Method; +import java.util.Arrays; +import java.util.LinkedList; +import java.util.List; +import java.util.Set; +import java.util.stream.Collectors; + +public abstract class Columns { + + public abstract List<String> getColumns(Class<?> clazz, String type); + + protected List<String> getAllColumns(Class<?> clazz, String type) { + List<String> columns = new LinkedList<>(); + Method[] methods = clazz.getMethods(); + for (Method method : methods) { + int parameterCount = type.equals("set") ? 1 : 0; + if (method.getName().startsWith(type) && method.getParameterTypes().length == parameterCount + && !method.isAnnotationPresent(QueryIgnore.class) + && !method.getName().equals("getClass")) { + columns.add(Introspector.decapitalize(method.getName().substring(3))); + } + } + return columns; + } + + public static class All extends Columns { + @Override + public List<String> getColumns(Class<?> clazz, String type) { + return getAllColumns(clazz, type); + } + } + + public static class Include extends Columns { + private final List<String> columns; + + public Include(String... columns) { + this.columns = Arrays.stream(columns).collect(Collectors.toList()); + } + + @Override + public List<String> getColumns(Class<?> clazz, String type) { + return columns; + } + } + + public static class Exclude extends Columns { + private final Set<String> columns; + + public Exclude(String... columns) { + this.columns = Arrays.stream(columns).collect(Collectors.toSet()); + } + + @Override + public List<String> getColumns(Class<?> clazz, String type) { + return getAllColumns(clazz, type).stream() + .filter(column -> !columns.contains(column)) + .collect(Collectors.toList()); + } + } + +} diff --git a/src/main/java/org/traccar/storage/query/Condition.java b/src/main/java/org/traccar/storage/query/Condition.java new file mode 100644 index 000000000..08b199052 --- /dev/null +++ b/src/main/java/org/traccar/storage/query/Condition.java @@ -0,0 +1,211 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage.query; + +import org.traccar.model.GroupedModel; + +import java.util.List; + +public interface Condition { + + static Condition merge(List<Condition> conditions) { + Condition result = null; + var iterator = conditions.iterator(); + if (iterator.hasNext()) { + result = iterator.next(); + while (iterator.hasNext()) { + result = new Condition.And(result, iterator.next()); + } + } + return result; + } + + class Equals extends Compare { + public Equals(String column, Object value) { + super(column, "=", column, value); + } + } + + class Compare implements Condition { + private final String column; + private final String operator; + private final String variable; + private final Object value; + + public Compare(String column, String operator, String variable, Object value) { + this.column = column; + this.operator = operator; + this.variable = variable; + this.value = value; + } + + public String getColumn() { + return column; + } + + public String getOperator() { + return operator; + } + + public String getVariable() { + return variable; + } + + public Object getValue() { + return value; + } + } + + class Between implements Condition { + private final String column; + private final String fromVariable; + private final Object fromValue; + private final String toVariable; + private final Object toValue; + + public Between(String column, String fromVariable, Object fromValue, String toVariable, Object toValue) { + this.column = column; + this.fromVariable = fromVariable; + this.fromValue = fromValue; + this.toVariable = toVariable; + this.toValue = toValue; + } + + public String getColumn() { + return column; + } + + public String getFromVariable() { + return fromVariable; + } + + public Object getFromValue() { + return fromValue; + } + + public String getToVariable() { + return toVariable; + } + + public Object getToValue() { + return toValue; + } + } + + class Or extends Binary { + public Or(Condition first, Condition second) { + super(first, second, "OR"); + } + } + + class And extends Binary { + public And(Condition first, Condition second) { + super(first, second, "AND"); + } + } + + class Binary implements Condition { + private final Condition first; + private final Condition second; + private final String operator; + + public Binary(Condition first, Condition second, String operator) { + this.first = first; + this.second = second; + this.operator = operator; + } + + public Condition getFirst() { + return first; + } + + public Condition getSecond() { + return second; + } + + public String getOperator() { + return operator; + } + } + + class Permission implements Condition { + private final Class<?> ownerClass; + private final long ownerId; + private final Class<?> propertyClass; + private final long propertyId; + private final boolean excludeGroups; + + private Permission( + Class<?> ownerClass, long ownerId, Class<?> propertyClass, long propertyId, boolean excludeGroups) { + this.ownerClass = ownerClass; + this.ownerId = ownerId; + this.propertyClass = propertyClass; + this.propertyId = propertyId; + this.excludeGroups = excludeGroups; + } + + public Permission(Class<?> ownerClass, long ownerId, Class<?> propertyClass) { + this(ownerClass, ownerId, propertyClass, 0, false); + } + + public Permission(Class<?> ownerClass, Class<?> propertyClass, long propertyId) { + this(ownerClass, 0, propertyClass, propertyId, false); + } + + public Permission excludeGroups() { + return new Permission(this.ownerClass, this.ownerId, this.propertyClass, this.propertyId, true); + } + + public Class<?> getOwnerClass() { + return ownerClass; + } + + public long getOwnerId() { + return ownerId; + } + + public Class<?> getPropertyClass() { + return propertyClass; + } + + public long getPropertyId() { + return propertyId; + } + + public boolean getIncludeGroups() { + boolean ownerGroupModel = GroupedModel.class.isAssignableFrom(ownerClass); + boolean propertyGroupModel = GroupedModel.class.isAssignableFrom(propertyClass); + return (ownerGroupModel || propertyGroupModel) && !excludeGroups; + } + } + + class LatestPositions implements Condition { + private final long deviceId; + + public LatestPositions(long deviceId) { + this.deviceId = deviceId; + } + + public LatestPositions() { + this(0); + } + + public long getDeviceId() { + return deviceId; + } + } + +} diff --git a/src/main/java/org/traccar/storage/query/Limit.java b/src/main/java/org/traccar/storage/query/Limit.java new file mode 100644 index 000000000..9673e5426 --- /dev/null +++ b/src/main/java/org/traccar/storage/query/Limit.java @@ -0,0 +1,30 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage.query; + +public class Limit { + + private final int value; + + public Limit(int value) { + this.value = value; + } + + public int getValue() { + return value; + } + +} diff --git a/src/main/java/org/traccar/storage/query/Order.java b/src/main/java/org/traccar/storage/query/Order.java new file mode 100644 index 000000000..f10970381 --- /dev/null +++ b/src/main/java/org/traccar/storage/query/Order.java @@ -0,0 +1,46 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage.query; + +public class Order { + + private final String column; + private final boolean descending; + private final int limit; + + public Order(String column) { + this(column, false, 0); + } + + public Order(String column, boolean descending, int limit) { + this.column = column; + this.descending = descending; + this.limit = limit; + } + + public String getColumn() { + return column; + } + + public boolean getDescending() { + return descending; + } + + public int getLimit() { + return limit; + } + +} diff --git a/src/main/java/org/traccar/storage/query/Request.java b/src/main/java/org/traccar/storage/query/Request.java new file mode 100644 index 000000000..b9c2c963c --- /dev/null +++ b/src/main/java/org/traccar/storage/query/Request.java @@ -0,0 +1,58 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.storage.query; + +public class Request { + + private final Columns columns; + private final Condition condition; + private final Order order; + + public Request(Columns columns) { + this(columns, null, null); + } + + public Request(Condition condition) { + this(null, condition, null); + } + + public Request(Columns columns, Condition condition) { + this(columns, condition, null); + } + + public Request(Columns columns, Order order) { + this(columns, null, order); + } + + public Request(Columns columns, Condition condition, Order order) { + this.columns = columns; + this.condition = condition; + this.order = order; + } + + public Columns getColumns() { + return columns; + } + + public Condition getCondition() { + return condition; + } + + public Order getOrder() { + return order; + } + +} |