From 32a7fe7eb22d435906b65f91c37751ece4fea828 Mon Sep 17 00:00:00 2001 From: Abyss777 Date: Wed, 20 Jul 2016 10:45:52 +0500 Subject: - Move groups related actions to DeviceManager - Removed cache updates from getXxxxById --- src/org/traccar/database/DataManager.java | 94 --------------- src/org/traccar/database/DeviceManager.java | 140 ++++++++++++++++++++--- src/org/traccar/database/GeofenceManager.java | 4 +- src/org/traccar/database/PermissionsManager.java | 3 +- 4 files changed, 129 insertions(+), 112 deletions(-) (limited to 'src/org/traccar/database') diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java index 0aecaf2e7..be77a3d36 100644 --- a/src/org/traccar/database/DataManager.java +++ b/src/org/traccar/database/DataManager.java @@ -20,16 +20,9 @@ import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader; import java.sql.SQLException; -import java.util.ArrayList; import java.util.Calendar; import java.util.Collection; import java.util.Date; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.locks.ReadWriteLock; -import java.util.concurrent.locks.ReentrantReadWriteLock; import javax.naming.InitialContext; import javax.sql.DataSource; @@ -43,7 +36,6 @@ import liquibase.resource.FileSystemResourceAccessor; import liquibase.resource.ResourceAccessor; import org.traccar.Config; -import org.traccar.Context; import org.traccar.helper.Log; import org.traccar.model.Device; import org.traccar.model.DevicePermission; @@ -64,25 +56,15 @@ import com.zaxxer.hikari.HikariDataSource; public class DataManager { - public static final long DEFAULT_REFRESH_DELAY = 300; - private final Config config; private DataSource dataSource; - private final long dataRefreshDelay; - - private final ReadWriteLock groupsLock = new ReentrantReadWriteLock(); - private final Map groupsById = new HashMap<>(); - private long groupsLastUpdate; - public DataManager(Config config) throws Exception { this.config = config; initDatabase(); initDatabaseSchema(); - - dataRefreshDelay = config.getLong("database.refreshDelay", DEFAULT_REFRESH_DELAY) * 1000; } public DataSource getDataSource() { @@ -131,54 +113,6 @@ public class DataManager { } } - private void updateGroupCache(boolean force) throws SQLException { - boolean needWrite; - groupsLock.readLock().lock(); - try { - needWrite = force || System.currentTimeMillis() - groupsLastUpdate > dataRefreshDelay; - } finally { - groupsLock.readLock().unlock(); - } - - if (needWrite) { - groupsLock.writeLock().lock(); - try { - if (force || System.currentTimeMillis() - groupsLastUpdate > dataRefreshDelay) { - groupsById.clear(); - for (Group group : getAllGroups()) { - groupsById.put(group.getId(), group); - } - groupsLastUpdate = System.currentTimeMillis(); - } - } finally { - groupsLock.writeLock().unlock(); - } - } - } - - public Group getGroupById(long id) { - boolean forceUpdate; - groupsLock.readLock().lock(); - try { - forceUpdate = !groupsById.containsKey(id); - } finally { - groupsLock.readLock().unlock(); - } - - try { - updateGroupCache(forceUpdate); - } catch (SQLException e) { - Log.warning(e); - } - - groupsLock.readLock().lock(); - try { - return groupsById.get(id); - } finally { - groupsLock.readLock().unlock(); - } - } - private String getQuery(String key) { String query = config.getString(key); if (query == null) { @@ -311,44 +245,16 @@ public class DataManager { .executeQuery(Group.class); } - public Collection getGroups(long userId) throws SQLException { - Collection groups = new ArrayList<>(); - for (long id : Context.getPermissionsManager().getGroupPermissions(userId)) { - groups.add(getGroupById(id)); - } - return groups; - } - - private void checkGroupCycles(Group group) { - groupsLock.readLock().lock(); - try { - Set groups = new HashSet<>(); - while (group != null) { - if (groups.contains(group.getId())) { - throw new IllegalArgumentException("Cycle in group hierarchy"); - } - groups.add(group.getId()); - group = groupsById.get(group.getGroupId()); - } - } finally { - groupsLock.readLock().unlock(); - } - } - public void addGroup(Group group) throws SQLException { - checkGroupCycles(group); group.setId(QueryBuilder.create(dataSource, getQuery("database.insertGroup"), true) .setObject(group) .executeUpdate()); - updateGroupCache(true); } public void updateGroup(Group group) throws SQLException { - checkGroupCycles(group); QueryBuilder.create(dataSource, getQuery("database.updateGroup")) .setObject(group) .executeUpdate(); - updateGroupCache(true); } public void removeGroup(long groupId) throws SQLException { diff --git a/src/org/traccar/database/DeviceManager.java b/src/org/traccar/database/DeviceManager.java index 173e68062..b6cb8c65f 100644 --- a/src/org/traccar/database/DeviceManager.java +++ b/src/org/traccar/database/DeviceManager.java @@ -19,9 +19,11 @@ import java.sql.SQLException; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; +import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Map; +import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.locks.ReadWriteLock; import java.util.concurrent.locks.ReentrantReadWriteLock; @@ -30,10 +32,13 @@ import org.traccar.Config; import org.traccar.Context; import org.traccar.helper.Log; import org.traccar.model.Device; +import org.traccar.model.Group; import org.traccar.model.Position; public class DeviceManager implements IdentityManager { + public static final long DEFAULT_REFRESH_DELAY = 300; + private final Config config; private final DataManager dataManager; private final long dataRefreshDelay; @@ -43,14 +48,20 @@ public class DeviceManager implements IdentityManager { private final Map devicesByUniqueId = new HashMap<>(); private long devicesLastUpdate; + private final ReadWriteLock groupsLock = new ReentrantReadWriteLock(); + private final Map groupsById = new HashMap<>(); + private long groupsLastUpdate; + private final Map positions = new ConcurrentHashMap<>(); public DeviceManager(DataManager dataManager) { this.dataManager = dataManager; this.config = Context.getConfig(); - dataRefreshDelay = config.getLong("database.refreshDelay", DataManager.DEFAULT_REFRESH_DELAY) * 1000; + dataRefreshDelay = config.getLong("database.refreshDelay", DEFAULT_REFRESH_DELAY) * 1000; if (dataManager != null) { try { + updateDeviceCache(true); + updateGroupCache(true); for (Position position : dataManager.getLatestPositions()) { positions.put(position.getDeviceId(), position); } @@ -96,20 +107,6 @@ public class DeviceManager implements IdentityManager { @Override public Device getDeviceById(long id) { - boolean forceUpdate; - devicesLock.readLock().lock(); - try { - forceUpdate = !devicesById.containsKey(id); - } finally { - devicesLock.readLock().unlock(); - } - - try { - updateDeviceCache(forceUpdate); - } catch (SQLException e) { - Log.warning(e); - } - devicesLock.readLock().lock(); try { return devicesById.get(id); @@ -273,4 +270,117 @@ public class DeviceManager implements IdentityManager { return result; } + + private void updateGroupCache(boolean force) throws SQLException { + boolean needWrite; + groupsLock.readLock().lock(); + try { + needWrite = force || System.currentTimeMillis() - groupsLastUpdate > dataRefreshDelay; + } finally { + groupsLock.readLock().unlock(); + } + + if (needWrite) { + groupsLock.writeLock().lock(); + try { + if (force || System.currentTimeMillis() - groupsLastUpdate > dataRefreshDelay) { + groupsById.clear(); + for (Group group : dataManager.getAllGroups()) { + groupsById.put(group.getId(), group); + } + groupsLastUpdate = System.currentTimeMillis(); + } + } finally { + groupsLock.writeLock().unlock(); + } + } + } + + public Group getGroupById(long id) { + groupsLock.readLock().lock(); + try { + return groupsById.get(id); + } finally { + groupsLock.readLock().unlock(); + } + } + + public Collection getAllGroups() { + boolean forceUpdate; + groupsLock.readLock().lock(); + try { + forceUpdate = groupsById.isEmpty(); + } finally { + groupsLock.readLock().unlock(); + } + + try { + updateGroupCache(forceUpdate); + } catch (SQLException e) { + Log.warning(e); + } + + groupsLock.readLock().lock(); + try { + return groupsById.values(); + } finally { + groupsLock.readLock().unlock(); + } + } + + public Collection getGroups(long userId) throws SQLException { + Collection groups = new ArrayList<>(); + for (long id : Context.getPermissionsManager().getGroupPermissions(userId)) { + groups.add(getGroupById(id)); + } + return groups; + } + + private void checkGroupCycles(Group group) { + groupsLock.readLock().lock(); + try { + Set groups = new HashSet<>(); + while (group != null) { + if (groups.contains(group.getId())) { + throw new IllegalArgumentException("Cycle in group hierarchy"); + } + groups.add(group.getId()); + group = groupsById.get(group.getGroupId()); + } + } finally { + groupsLock.readLock().unlock(); + } + } + + public void addGroup(Group group) throws SQLException { + checkGroupCycles(group); + dataManager.addGroup(group); + groupsLock.writeLock().lock(); + try { + groupsById.put(group.getId(), group); + } finally { + groupsLock.writeLock().unlock(); + } + } + + public void updateGroup(Group group) throws SQLException { + checkGroupCycles(group); + dataManager.updateGroup(group); + groupsLock.writeLock().lock(); + try { + groupsById.put(group.getId(), group); + } finally { + groupsLock.writeLock().unlock(); + } + } + + public void removeGroup(long groupId) throws SQLException { + dataManager.removeGroup(groupId); + groupsLock.writeLock().lock(); + try { + groupsById.remove(groupId); + } finally { + groupsLock.writeLock().unlock(); + } + } } diff --git a/src/org/traccar/database/GeofenceManager.java b/src/org/traccar/database/GeofenceManager.java index 930008082..74dff70f4 100644 --- a/src/org/traccar/database/GeofenceManager.java +++ b/src/org/traccar/database/GeofenceManager.java @@ -188,8 +188,8 @@ public class GeofenceManager { while (groupId != 0) { getDeviceGeofences(deviceGeofencesWithGroups, device.getId()).addAll(getGroupGeofences(groupId)); - if (dataManager.getGroupById(groupId) != null) { - groupId = dataManager.getGroupById(groupId).getGroupId(); + if (Context.getDeviceManager().getGroupById(groupId) != null) { + groupId = Context.getDeviceManager().getGroupById(groupId).getGroupId(); } else { groupId = 0; } diff --git a/src/org/traccar/database/PermissionsManager.java b/src/org/traccar/database/PermissionsManager.java index 5a15375b4..d786dcc4e 100644 --- a/src/org/traccar/database/PermissionsManager.java +++ b/src/org/traccar/database/PermissionsManager.java @@ -78,7 +78,8 @@ public class PermissionsManager { users.put(user.getId(), user); } - GroupTree groupTree = new GroupTree(dataManager.getAllGroups(), Context.getDeviceManager().getAllDevices()); + GroupTree groupTree = new GroupTree(Context.getDeviceManager().getAllGroups(), + Context.getDeviceManager().getAllDevices()); for (GroupPermission permission : dataManager.getGroupPermissions()) { Set userGroupPermissions = getGroupPermissions(permission.getUserId()); Set userDevicePermissions = getDevicePermissions(permission.getUserId()); -- cgit v1.2.3