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-rw-r--r--src/main/java/org/traccar/MainModule.java12
-rw-r--r--src/main/java/org/traccar/config/Keys.java7
-rw-r--r--src/main/java/org/traccar/storage/MemoryStorage.java126
3 files changed, 141 insertions, 4 deletions
diff --git a/src/main/java/org/traccar/MainModule.java b/src/main/java/org/traccar/MainModule.java
index ae42d6712..663747de1 100644
--- a/src/main/java/org/traccar/MainModule.java
+++ b/src/main/java/org/traccar/MainModule.java
@@ -84,6 +84,7 @@ import org.traccar.sms.SnsSmsClient;
import org.traccar.speedlimit.OverpassSpeedLimitProvider;
import org.traccar.speedlimit.SpeedLimitProvider;
import org.traccar.storage.DatabaseStorage;
+import org.traccar.storage.MemoryStorage;
import org.traccar.storage.Storage;
import org.traccar.web.WebServer;
@@ -108,12 +109,21 @@ public class MainModule extends AbstractModule {
protected void configure() {
bindConstant().annotatedWith(Names.named("configFile")).to(configFile);
bind(Config.class).asEagerSingleton();
- bind(Storage.class).to(DatabaseStorage.class).in(Scopes.SINGLETON);
bind(Timer.class).to(HashedWheelTimer.class).in(Scopes.SINGLETON);
}
@Singleton
@Provides
+ public static Storage provideStorage(Injector injector, Config config) {
+ if (config.getBoolean(Keys.DATABASE_MEMORY)) {
+ return injector.getInstance(MemoryStorage.class);
+ } else {
+ return injector.getInstance(DatabaseStorage.class);
+ }
+ }
+
+ @Singleton
+ @Provides
public static ObjectMapper provideObjectMapper(Config config) {
ObjectMapper objectMapper = new ObjectMapper();
if (config.getBoolean(Keys.WEB_SANITIZE)) {
diff --git a/src/main/java/org/traccar/config/Keys.java b/src/main/java/org/traccar/config/Keys.java
index 6aa41f85b..1b4b3a5b4 100644
--- a/src/main/java/org/traccar/config/Keys.java
+++ b/src/main/java/org/traccar/config/Keys.java
@@ -386,6 +386,13 @@ public final class Keys {
25.0);
/**
+ * Enable in-memory database instead of an SQL database.
+ */
+ public static final ConfigKey<Boolean> DATABASE_MEMORY = new BooleanConfigKey(
+ "database.memory",
+ List.of(KeyType.CONFIG));
+
+ /**
* Path to the database driver JAR file. Traccar includes drivers for MySQL, PostgreSQL and H2 databases. If you use
* one of those, you don't need to specify this parameter.
*/
diff --git a/src/main/java/org/traccar/storage/MemoryStorage.java b/src/main/java/org/traccar/storage/MemoryStorage.java
index f19897ff8..9b5db1209 100644
--- a/src/main/java/org/traccar/storage/MemoryStorage.java
+++ b/src/main/java/org/traccar/storage/MemoryStorage.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2022 Anton Tananaev (anton@traccar.org)
+ * Copyright 2022 - 2023 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.
@@ -18,35 +18,155 @@ package org.traccar.storage;
import org.traccar.model.BaseModel;
import org.traccar.model.Pair;
import org.traccar.model.Permission;
+import org.traccar.model.Server;
+import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Request;
+import java.beans.Introspector;
+import java.lang.reflect.Method;
+import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
+import java.util.concurrent.atomic.AtomicLong;
import java.util.stream.Collectors;
public class MemoryStorage extends Storage {
+ private final Map<Class<?>, Map<Long, Object>> objects = new HashMap<>();
private final Map<Pair<Class<?>, Class<?>>, Set<Pair<Long, Long>>> permissions = new HashMap<>();
+ private final AtomicLong increment = new AtomicLong();
+
+ public MemoryStorage() {
+ Server server = new Server();
+ server.setId(1);
+ server.setRegistration(true);
+ objects.put(Server.class, Map.of(server.getId(), server));
+ }
+
@Override
public <T> List<T> getObjects(Class<T> clazz, Request request) {
- return null;
+ return objects.computeIfAbsent(clazz, key -> new HashMap<>()).values().stream()
+ .filter(object -> checkCondition(request.getCondition(), object))
+ .map(object -> (T) object)
+ .collect(Collectors.toList());
+ }
+
+ private boolean checkCondition(Condition genericCondition, Object object) {
+ if (genericCondition == null) {
+ return true;
+ }
+
+ if (genericCondition instanceof Condition.Compare) {
+
+ var condition = (Condition.Compare) genericCondition;
+ Object value = retrieveValue(object, condition.getVariable());
+ int result = ((Comparable) value).compareTo(condition.getValue());
+ switch (condition.getOperator()) {
+ case "<":
+ return result < 0;
+ case "<=":
+ return result <= 0;
+ case ">":
+ return result > 0;
+ case ">=":
+ return result >= 0;
+ case "=":
+ return result == 0;
+ default:
+ throw new RuntimeException("Unsupported comparison condition");
+ }
+
+ } else if (genericCondition instanceof Condition.Between) {
+
+ var condition = (Condition.Between) genericCondition;
+ Object fromValue = retrieveValue(object, condition.getFromVariable());
+ int fromResult = ((Comparable) fromValue).compareTo(condition.getFromValue());
+ Object toValue = retrieveValue(object, condition.getToVariable());
+ int toResult = ((Comparable) toValue).compareTo(condition.getToValue());
+ return fromResult >= 0 && toResult <= 0;
+
+ } else if (genericCondition instanceof Condition.Binary) {
+
+ var condition = (Condition.Binary) genericCondition;
+ if (condition.getOperator().equals("AND")) {
+ return checkCondition(condition.getFirst(), object) && checkCondition(condition.getSecond(), object);
+ } else if (condition.getOperator().equals("OR")) {
+ return checkCondition(condition.getFirst(), object) || checkCondition(condition.getSecond(), object);
+ }
+
+ } else if (genericCondition instanceof Condition.Permission) {
+
+ var condition = (Condition.Permission) genericCondition;
+ long id = (Long) retrieveValue(object, "id");
+ return getPermissionsSet(condition.getOwnerClass(), condition.getPropertyClass()).stream()
+ .anyMatch(pair -> {
+ if (condition.getOwnerId() > 0) {
+ return pair.getFirst() == condition.getOwnerId() && pair.getSecond() == id;
+ } else {
+ return pair.getFirst() == id && pair.getSecond() == condition.getPropertyId();
+ }
+ });
+
+ } else if (genericCondition instanceof Condition.LatestPositions) {
+
+ return false;
+
+ }
+
+ return false;
+ }
+
+ private Object retrieveValue(Object object, String key) {
+ try {
+ Method method = object.getClass().getMethod(
+ "get" + Character.toUpperCase(key.charAt(0)) + key.substring(1));
+ return method.invoke(object);
+ } catch (ReflectiveOperationException e) {
+ throw new RuntimeException(e);
+ }
}
@Override
public <T> long addObject(T entity, Request request) {
- return 0;
+ long id = increment.incrementAndGet();
+ objects.computeIfAbsent(entity.getClass(), key -> new HashMap<>()).put(id, entity);
+ return id;
}
@Override
public <T> void updateObject(T entity, Request request) {
+ Set<String> columns = new HashSet<>(request.getColumns().getColumns(entity.getClass(), "get"));
+ Collection<Object> items;
+ if (request.getCondition() != null) {
+ long id = (Long) ((Condition.Equals) request.getCondition()).getValue();
+ items = List.of(objects.computeIfAbsent(entity.getClass(), key -> new HashMap<>()).get(id));
+ } else {
+ items = objects.computeIfAbsent(entity.getClass(), key -> new HashMap<>()).values();
+ }
+ for (Method setter : entity.getClass().getMethods()) {
+ if (setter.getName().startsWith("set") && setter.getParameterCount() == 1
+ && columns.contains(Introspector.decapitalize(setter.getName()))) {
+ try {
+ Method getter = entity.getClass().getMethod(setter.getName().replaceFirst("set", "get"));
+ Object value = getter.invoke(entity);
+ for (Object object : items) {
+ setter.invoke(object, value);
+ }
+ } catch (ReflectiveOperationException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
}
@Override
public void removeObject(Class<?> clazz, Request request) {
+ long id = (Long) ((Condition.Equals) request.getCondition()).getValue();
+ objects.computeIfAbsent(clazz, key -> new HashMap<>()).remove(id);
}
private Set<Pair<Long, Long>> getPermissionsSet(Class<?> ownerClass, Class<?> propertyClass) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 04:28:35 +0000