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authorAnton Tananaev <anton.tananaev@gmail.com>2017-05-13 11:31:03 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2017-05-13 11:31:03 +1200
commit17a023a62366ed4b85fd8f0f9cb41d591169c940 (patch)
tree9f55ffa7dfdc7123eab95053f4acd548b15d6d09 /src
parent713d6c55a007aa80850810f447308976516bfa63 (diff)
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Implement max speed filtering
Diffstat (limited to 'src')
-rw-r--r--src/org/traccar/FilterHandler.java81
1 files changed, 38 insertions, 43 deletions
diff --git a/src/org/traccar/FilterHandler.java b/src/org/traccar/FilterHandler.java
index ec3e67ec4..e01ee156f 100644
--- a/src/org/traccar/FilterHandler.java
+++ b/src/org/traccar/FilterHandler.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2014 - 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2014 - 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.
@@ -17,6 +17,7 @@ package org.traccar;
import org.traccar.helper.DistanceCalculator;
import org.traccar.helper.Log;
+import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
public class FilterHandler extends BaseDataHandler {
@@ -24,11 +25,12 @@ public class FilterHandler extends BaseDataHandler {
private boolean filterInvalid;
private boolean filterZero;
private boolean filterDuplicate;
+ private long filterFuture;
private boolean filterApproximate;
private boolean filterStatic;
private int filterDistance;
+ private int filterMaxSpeed;
private long filterLimit;
- private long filterFuture;
public void setFilterInvalid(boolean filterInvalid) {
this.filterInvalid = filterInvalid;
@@ -58,29 +60,19 @@ public class FilterHandler extends BaseDataHandler {
this.filterLimit = filterLimit;
}
- public void setFilterFuture(long filterFuture) {
- this.filterFuture = filterFuture;
- }
-
public FilterHandler() {
Config config = Context.getConfig();
if (config != null) {
filterInvalid = config.getBoolean("filter.invalid");
filterZero = config.getBoolean("filter.zero");
filterDuplicate = config.getBoolean("filter.duplicate");
+ filterFuture = config.getLong("filter.future") * 1000;
filterApproximate = config.getBoolean("filter.approximate");
filterStatic = config.getBoolean("filter.static");
filterDistance = config.getInteger("filter.distance");
+ filterMaxSpeed = config.getInteger("filter.maxSpeed");
filterLimit = config.getLong("filter.limit") * 1000;
- filterFuture = config.getLong("filter.future") * 1000;
- }
- }
-
- private Position getLastPosition(long deviceId) {
- if (Context.getIdentityManager() != null) {
- return Context.getIdentityManager().getLastPosition(deviceId);
}
- return null;
}
private boolean filterInvalid(Position position) {
@@ -91,17 +83,8 @@ public class FilterHandler extends BaseDataHandler {
return filterZero && position.getLatitude() == 0.0 && position.getLongitude() == 0.0;
}
- private boolean filterDuplicate(Position position) {
- if (filterDuplicate) {
- Position last = getLastPosition(position.getDeviceId());
- if (last != null) {
- return position.getFixTime().equals(last.getFixTime());
- } else {
- return false;
- }
- } else {
- return false;
- }
+ private boolean filterDuplicate(Position position, Position last) {
+ return filterDuplicate && last != null && position.getFixTime().equals(last.getFixTime());
}
private boolean filterFuture(Position position) {
@@ -116,25 +99,29 @@ public class FilterHandler extends BaseDataHandler {
return filterStatic && position.getSpeed() == 0.0;
}
- private boolean filterDistance(Position position) {
- if (filterDistance != 0) {
- Position last = getLastPosition(position.getDeviceId());
- if (last != null) {
- double distance = DistanceCalculator.distance(
- position.getLatitude(), position.getLongitude(),
- last.getLatitude(), last.getLongitude());
- return distance < filterDistance;
- } else {
- return false;
- }
- } else {
- return false;
+ private boolean filterDistance(Position position, Position last) {
+ if (filterDistance != 0 && last != null) {
+ double distance = DistanceCalculator.distance(
+ position.getLatitude(), position.getLongitude(),
+ last.getLatitude(), last.getLongitude());
+ return distance < filterDistance;
+ }
+ return false;
+ }
+
+ private boolean filterMaxSpeed(Position position, Position last) {
+ if (filterMaxSpeed != 0 && last != null) {
+ double distance = DistanceCalculator.distance(
+ position.getLatitude(), position.getLongitude(),
+ last.getLatitude(), last.getLongitude());
+ long time = position.getFixTime().getTime() - last.getFixTime().getTime();
+ return UnitsConverter.knotsFromMps(distance / time) > filterMaxSpeed;
}
+ return false;
}
- private boolean filterLimit(Position position) {
+ private boolean filterLimit(Position position, Position last) {
if (filterLimit != 0) {
- Position last = getLastPosition(position.getDeviceId());
if (last != null) {
return (position.getFixTime().getTime() - last.getFixTime().getTime()) > filterLimit;
} else {
@@ -149,13 +136,18 @@ public class FilterHandler extends BaseDataHandler {
StringBuilder filterType = new StringBuilder();
+ Position last = null;
+ if (Context.getIdentityManager() != null) {
+ last = Context.getIdentityManager().getLastPosition(position.getDeviceId());
+ }
+
if (filterInvalid(position)) {
filterType.append("Invalid ");
}
if (filterZero(position)) {
filterType.append("Zero ");
}
- if (filterDuplicate(position)) {
+ if (filterDuplicate(position, last)) {
filterType.append("Duplicate ");
}
if (filterFuture(position)) {
@@ -167,11 +159,14 @@ public class FilterHandler extends BaseDataHandler {
if (filterStatic(position)) {
filterType.append("Static ");
}
- if (filterDistance(position)) {
+ if (filterDistance(position, last)) {
filterType.append("Distance ");
}
+ if (filterMaxSpeed(position, last)) {
+ filterType.append("MaxSpeed ");
+ }
- if (filterType.length() > 0 && !filterLimit(position)) {
+ if (filterType.length() > 0 && !filterLimit(position, last)) {
StringBuilder message = new StringBuilder();
message.append("Position filtered by ");