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authorAnton Tananaev <anton.tananaev@gmail.com>2019-02-26 19:05:25 -0800
committerAnton Tananaev <anton.tananaev@gmail.com>2019-02-26 19:05:25 -0800
commit728e55fc00a4b7b980d6e59f2ce8664859a5c848 (patch)
treeaf71d95acbd58370dd7c0ac4463275513360f610 /src/org/traccar
parent03539bca46f9242ff62db9a6c9ab722ae2bb6a4d (diff)
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Refactor computed attributes
Diffstat (limited to 'src/org/traccar')
-rw-r--r--src/org/traccar/BasePipelineFactory.java8
-rw-r--r--src/org/traccar/MainModule.java17
-rw-r--r--src/org/traccar/api/resource/AttributeResource.java9
-rw-r--r--src/org/traccar/config/Keys.java12
-rw-r--r--src/org/traccar/handler/ComputedAttributesHandler.java37
5 files changed, 60 insertions, 23 deletions
diff --git a/src/org/traccar/BasePipelineFactory.java b/src/org/traccar/BasePipelineFactory.java
index 088689fe7..85127fd7a 100644
--- a/src/org/traccar/BasePipelineFactory.java
+++ b/src/org/traccar/BasePipelineFactory.java
@@ -57,8 +57,6 @@ public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
private final TrackerServer server;
private int timeout;
- private ComputedAttributesHandler computedAttributesHandler;
-
private CommandResultEventHandler commandResultEventHandler;
private OverspeedEventHandler overspeedEventHandler;
private FuelDropEventHandler fuelDropEventHandler;
@@ -77,10 +75,6 @@ public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
timeout = Context.getConfig().getInteger(Keys.SERVER_TIMEOUT);
}
- if (Context.getConfig().getBoolean("processing.computedAttributes.enable")) {
- computedAttributesHandler = new ComputedAttributesHandler();
- }
-
if (Context.getConfig().getBoolean("event.enable")) {
commandResultEventHandler = new CommandResultEventHandler();
overspeedEventHandler = Context.getOverspeedEventHandler();
@@ -157,7 +151,7 @@ public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
Main.getInjector().getInstance(MotionHandler.class),
Main.getInjector().getInstance(EngineHoursHandler.class),
Main.getInjector().getInstance(CopyAttributesHandler.class),
- computedAttributesHandler);
+ Main.getInjector().getInstance(ComputedAttributesHandler.class));
if (Context.getDataManager() != null) {
pipeline.addLast(new DefaultDataHandler());
diff --git a/src/org/traccar/MainModule.java b/src/org/traccar/MainModule.java
index 34ece8658..f784a1a71 100644
--- a/src/org/traccar/MainModule.java
+++ b/src/org/traccar/MainModule.java
@@ -21,6 +21,7 @@ import com.google.inject.Provides;
import com.google.inject.Singleton;
import org.traccar.config.Config;
import org.traccar.config.Keys;
+import org.traccar.database.AttributesManager;
import org.traccar.database.DataManager;
import org.traccar.database.IdentityManager;
import org.traccar.database.StatisticsManager;
@@ -43,6 +44,7 @@ import org.traccar.geolocation.GoogleGeolocationProvider;
import org.traccar.geolocation.MozillaGeolocationProvider;
import org.traccar.geolocation.OpenCellIdGeolocationProvider;
import org.traccar.geolocation.UnwiredGeolocationProvider;
+import org.traccar.handler.ComputedAttributesHandler;
import org.traccar.handler.CopyAttributesHandler;
import org.traccar.handler.DistanceHandler;
import org.traccar.handler.EngineHoursHandler;
@@ -89,6 +91,11 @@ public class MainModule extends AbstractModule {
return Context.getTripsConfig();
}
+ @Provides
+ public static AttributesManager provideAttributesManager() {
+ return Context.getAttributesManager();
+ }
+
@Singleton
@Provides
public static StatisticsManager provideStatisticsManager(Config config, DataManager dataManager, Client client) {
@@ -247,6 +254,16 @@ public class MainModule extends AbstractModule {
return null;
}
+ @Singleton
+ @Provides
+ public static ComputedAttributesHandler provideComputedAttributesHandler(
+ Config config, IdentityManager identityManager, AttributesManager attributesManager) {
+ if (config.getBoolean(Keys.PROCESSING_COMPUTED_ATTRIBUTES_ENABLE)) {
+ return new ComputedAttributesHandler(config, identityManager, attributesManager);
+ }
+ return null;
+ }
+
@Override
protected void configure() {
binder().requireExplicitBindings();
diff --git a/src/org/traccar/api/resource/AttributeResource.java b/src/org/traccar/api/resource/AttributeResource.java
index fefc84041..de69d871c 100644
--- a/src/org/traccar/api/resource/AttributeResource.java
+++ b/src/org/traccar/api/resource/AttributeResource.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2019 Anton Tananaev (anton@traccar.org)
* Copyright 2017 - 2018 Andrey Kunitsyn (andrey@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -46,12 +46,15 @@ public class AttributeResource extends ExtendedObjectResource<Attribute> {
@POST
@Path("test")
- public Response test(@QueryParam("deviceId") long deviceId, Attribute entity) throws SQLException {
+ public Response test(@QueryParam("deviceId") long deviceId, Attribute entity) {
Context.getPermissionsManager().checkAdmin(getUserId());
Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
Position last = Context.getIdentityManager().getLastPosition(deviceId);
if (last != null) {
- Object result = new ComputedAttributesHandler().computeAttribute(entity, last);
+ Object result = new ComputedAttributesHandler(
+ Context.getConfig(),
+ Context.getIdentityManager(),
+ Context.getAttributesManager()).computeAttribute(entity, last);
if (result != null) {
switch (entity.getType()) {
case "number":
diff --git a/src/org/traccar/config/Keys.java b/src/org/traccar/config/Keys.java
index b9bc0c9dc..ce6ad640d 100644
--- a/src/org/traccar/config/Keys.java
+++ b/src/org/traccar/config/Keys.java
@@ -193,6 +193,18 @@ public final class Keys {
"processing.copyAttributes.enable", Boolean.class);
/**
+ * Enable computed attributes processing.
+ */
+ public static final ConfigKey PROCESSING_COMPUTED_ATTRIBUTES_ENABLE = new ConfigKey(
+ "processing.computedAttributes.enable", Boolean.class);
+
+ /**
+ * Enable computed attributes processing.
+ */
+ public static final ConfigKey PROCESSING_COMPUTED_ATTRIBUTES_DEVICE_ATTRIBUTES = new ConfigKey(
+ "processing.computedAttributes.deviceAttributes", Boolean.class);
+
+ /**
* Boolean flag to enable or disable reverse geocoder.
*/
public static final ConfigKey GEOCODER_ENABLE = new ConfigKey(
diff --git a/src/org/traccar/handler/ComputedAttributesHandler.java b/src/org/traccar/handler/ComputedAttributesHandler.java
index 5ceadafdd..153da29b9 100644
--- a/src/org/traccar/handler/ComputedAttributesHandler.java
+++ b/src/org/traccar/handler/ComputedAttributesHandler.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2019 Anton Tananaev (anton@traccar.org)
* Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -32,7 +32,10 @@ import org.apache.commons.jexl2.MapContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.BaseDataHandler;
-import org.traccar.Context;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+import org.traccar.database.AttributesManager;
+import org.traccar.database.IdentityManager;
import org.traccar.model.Attribute;
import org.traccar.model.Device;
import org.traccar.model.Position;
@@ -42,23 +45,27 @@ public class ComputedAttributesHandler extends BaseDataHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(ComputedAttributesHandler.class);
- private JexlEngine engine;
+ private final IdentityManager identityManager;
+ private final AttributesManager attributesManager;
- private boolean mapDeviceAttributes;
+ private final JexlEngine engine;
- public ComputedAttributesHandler() {
+ private final boolean includeDeviceAttributes;
+
+ public ComputedAttributesHandler(
+ Config config, IdentityManager identityManager, AttributesManager attributesManager) {
+ this.identityManager = identityManager;
+ this.attributesManager = attributesManager;
engine = new JexlEngine();
engine.setStrict(true);
- engine.setFunctions(Collections.singletonMap("math", (Object) Math.class));
- if (Context.getConfig() != null) {
- mapDeviceAttributes = Context.getConfig().getBoolean("processing.computedAttributes.deviceAttributes");
- }
+ engine.setFunctions(Collections.singletonMap("math", Math.class));
+ includeDeviceAttributes = config.getBoolean(Keys.PROCESSING_COMPUTED_ATTRIBUTES_DEVICE_ATTRIBUTES);
}
private MapContext prepareContext(Position position) {
MapContext result = new MapContext();
- if (mapDeviceAttributes) {
- Device device = Context.getIdentityManager().getById(position.getDeviceId());
+ if (includeDeviceAttributes) {
+ Device device = identityManager.getById(position.getDeviceId());
if (device != null) {
for (Object key : device.getAttributes().keySet()) {
result.set((String) key, device.getAttributes().get(key));
@@ -87,14 +94,18 @@ public class ComputedAttributesHandler extends BaseDataHandler {
return result;
}
+ /**
+ * @deprecated logic needs to be extracted to be used in API resource
+ */
+ @Deprecated
public Object computeAttribute(Attribute attribute, Position position) throws JexlException {
return engine.createExpression(attribute.getExpression()).evaluate(prepareContext(position));
}
@Override
protected Position handlePosition(Position position) {
- Collection<Attribute> attributes = Context.getAttributesManager().getItems(
- Context.getAttributesManager().getAllDeviceItems(position.getDeviceId()));
+ Collection<Attribute> attributes = attributesManager.getItems(
+ attributesManager.getAllDeviceItems(position.getDeviceId()));
for (Attribute attribute : attributes) {
if (attribute.getAttribute() != null) {
Object result = null;