forked from community/device-mgt-plugins
Waruna Samarsinghe
9 years ago
parent
a8371e046e
commit
bc08e31c4c
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/*
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* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.iot.android.sense.siddhi.dto;
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public class BLE {
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int id;
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long timeStamp;
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String location;
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public BLE(int id, String location){
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this.id = id;
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this.location = location;
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timeStamp = System.currentTimeMillis();
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}
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public int getId() {
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return id;
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}
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public void setId(int id) {
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this.id = id;
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}
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public long getTimeStamp() {
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return timeStamp;
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}
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public void setTimeStamp(long timeStamp) {
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this.timeStamp = timeStamp;
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}
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public String getLocation() {
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return location;
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}
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public void setLocation(String location) {
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this.location = location;
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}
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}
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/*
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* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.iot.android.sense.siddhi.eventprocessor.core;
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import org.wso2.carbon.iot.android.sense.siddhi.dto.BLE;
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import org.wso2.carbon.iot.android.sense.siddhi.eventprocessor.wrapper.SidhdhiWrapper;
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import org.wso2.siddhi.core.SiddhiManager;
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import org.wso2.siddhi.core.event.Event;
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import org.wso2.siddhi.core.stream.input.InputHandler;
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import org.wso2.siddhi.core.ExecutionPlanRuntime;
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import org.wso2.siddhi.core.stream.output.StreamCallback;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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public class SidhdhiQueryExecutor implements Runnable {
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protected String query = null;
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private static SiddhiManager siddhiManager = new SiddhiManager();
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private static final int INTERVAL = 3000;
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public volatile Thread sidhdiThread;
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private ReadWriteLock rwlock = new ReentrantReadWriteLock();
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//TODO have another array initialized so that a list of callbacks can be stored, String[] callbackList
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public SidhdhiQueryExecutor(String query){
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this.query = query;
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}
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public void run(){
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//TODO the array of callbacks needs to be passed to invoke
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//TODO what is retruned should be a map of callbacks and outputs
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ExecutionPlan executionPlan = new ExecutionPlan().invoke();
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Thread thisThread = Thread.currentThread();
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while (sidhdiThread == thisThread) {
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InputHandler inputHandler = executionPlan.getInputHandler();
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//Sending events to Siddhi
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try {
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List<BLE> bleReadings = read();
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for(BLE ble : bleReadings){
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System.out.println("Publishing data...");
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inputHandler.send(new Object[]{ble.getId(), ble.getTimeStamp(), ble.getLocation()});
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}
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thisThread.sleep(INTERVAL);
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} catch (InterruptedException e) {
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e.printStackTrace();
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break;
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}
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}
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}
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public List<BLE> read()
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{
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List<BLE> bleData;
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rwlock.readLock().lock();
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try {
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//TODO Reading BLE VALUES
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bleData = SidhdhiWrapper.getBleData();
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} finally {
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rwlock.readLock().unlock();
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}
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return bleData;
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}
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public void stop(){
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sidhdiThread = null;
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}
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public void start(){
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sidhdiThread = new Thread(this);
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sidhdiThread.start();
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}
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private class ExecutionPlan {
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private InputHandler inputHandler;
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public InputHandler getInputHandler() {
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return inputHandler;
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}
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//TODO should expect an array of callbacks
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public ExecutionPlan invoke() {
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//Generating runtime
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ExecutionPlanRuntime runtime = siddhiManager.createExecutionPlanRuntime(query);
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//TODO logic needs to be revised so that array of callbacks are processed
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runtime.addCallback("dataOut", new StreamCallback() {
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@Override
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public void receive(Event[] events) {
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System.out.println("Location Match event initiated.");
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if (events.length > 0) {
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//TODO Configure Event here!
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System.out.println("Firing location match event...");
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}
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}
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});
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//Retrieving InputHandler to push events into Siddhi
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inputHandler = runtime.getInputHandler("dataIn");
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//Starting event processing
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runtime.start();
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System.out.println("Execution Plan Started!");
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return this;
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}
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}
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}
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@ -0,0 +1,59 @@
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/*
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* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.iot.android.sense.siddhi.eventprocessor.wrapper;
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import org.wso2.carbon.iot.android.sense.siddhi.dto.BLE;
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import org.wso2.carbon.iot.android.sense.siddhi.eventprocessor.core.SidhdhiQueryExecutor;
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import org.wso2.carbon.iot.android.sense.siddhi.reader.BLEReader;
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import java.util.List;
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import java.util.Map;
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public class SidhdhiWrapper {
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private static List<BLE> bleData;
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public static List<BLE> getBleData() {
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return bleData;
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}
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public static void setBleData(List<BLE> bleData) {
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SidhdhiWrapper.bleData = bleData;
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}
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public static void main(String args[]){
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String query = "@Import('iot.sample.input:1.0.0')\n" +
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"define stream dataIn (id int, timestamp long, location string);\n" +
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"\n" +
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"@Export('iot.sample.output:1.0.0')\n" +
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"define stream dataOut (action string, timestamp long);\n" +
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"\n" +
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"from every e1=dataIn[location=='loc_1'] -> e2=dataIn[location=='loc_2'] -> e3=dataIn[location=='loc_3']\n" +
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"select 'x' as action, e3.timestamp\n" +
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"insert into dataOut;";
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BLEReader blEReader = new BLEReader();
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blEReader.start();
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SidhdhiQueryExecutor queryExecutor = new SidhdhiQueryExecutor(query);
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queryExecutor.start();
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}
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}
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@ -0,0 +1,71 @@
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/*
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* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.iot.android.sense.siddhi.reader;
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import org.wso2.carbon.iot.android.sense.siddhi.dto.BLE;
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import org.wso2.carbon.iot.android.sense.siddhi.eventprocessor.wrapper.SidhdhiWrapper;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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public class BLEReader implements Runnable{
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private ReadWriteLock rwlock = new ReentrantReadWriteLock();
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List<BLE> bleData = new ArrayList<BLE>();
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public volatile Thread bleReader;
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private static final int INTERVAL = 2000;
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public void run(){
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Thread thisThread = Thread.currentThread();
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while (bleReader == thisThread) {
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write();
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try {
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thisThread.sleep(INTERVAL);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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public void stop(){
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bleReader = null;
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}
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public void start(){
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bleReader = new Thread(this);
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bleReader.start();
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}
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public void write()
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{
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rwlock.writeLock().lock();
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try {
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bleData.add(new BLE(123, "loc_1"));
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bleData.add(new BLE(123, "loc_2"));
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bleData.add(new BLE(123, "loc_3"));
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SidhdhiWrapper.setBleData(bleData);
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} finally {
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rwlock.writeLock().unlock();
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}
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}
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}
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