org.wso2.das4esb.integration.common.clients.ConcurrentEventsPublisher.java Source code

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/*
* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

package org.wso2.das4esb.integration.common.clients;

import java.util.UUID;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.joda.time.DateTime;
import org.wso2.carbon.databridge.agent.exception.DataEndpointException;
import org.wso2.carbon.databridge.commons.Event;
import org.wso2.das.integration.common.utils.TestConstants;
import org.wso2.das.integration.common.utils.Utils;

public class ConcurrentEventsPublisher implements Runnable {

    private DataPublisherClient dataPublisherClient;
    private String entryPointName;
    private int noOfRequests;
    private int noOfMediators;
    private boolean payloadsEnabled;
    private boolean propertiesEnabled;
    private int sleepBetweenRequests;
    private int noOfFaults;
    private int tenantId;
    private static final Log log = LogFactory.getLog(ConcurrentEventsPublisher.class);

    public ConcurrentEventsPublisher(DataPublisherClient dataPublisherClient, int tenantId, int noOfRequests,
            String entryPointName, int noOfMediators, int noOfFaults, boolean payloadsEnabled,
            boolean propertiesEnabled, int sleepBetweenRequests) {
        this.dataPublisherClient = dataPublisherClient;
        this.entryPointName = entryPointName;
        this.noOfRequests = noOfRequests;
        this.payloadsEnabled = payloadsEnabled;
        this.propertiesEnabled = propertiesEnabled;
        this.sleepBetweenRequests = sleepBetweenRequests;
        this.noOfMediators = noOfMediators;
        this.noOfFaults = noOfFaults;
        this.tenantId = tenantId;
    }

    @Override
    public void run() {
        Object[] metaData = { true, tenantId };
        int sentFaults = 0;
        int publishedRequests = 0;
        // Publish events
        try {
            for (int j = 0; j < this.noOfRequests; j++) {
                boolean isFault = false;
                String messageId = "urn_uuid_" + UUID.randomUUID();
                String[] payloadData = new String[2];
                Event event;
                payloadData[0] = messageId;

                DateTime time = new DateTime();
                if (j < this.noOfRequests / 20) {
                    time = time.minusMonths(3).minusDays(1).minusHours(2);
                } else if (j < this.noOfRequests / 20 * 2) {
                    time = time.minusMonths(3).minusDays(1);
                } else if (j < this.noOfRequests / 20 * 3) {
                    time = time.minusMonths(3);
                } else if (j < this.noOfRequests / 20 * 4) {
                    time = time.minusMonths(2).minusDays(1).minusHours(2);
                } else if (j < this.noOfRequests / 20 * 5) {
                    time = time.minusMonths(2).minusDays(1);
                } else if (j < this.noOfRequests / 20 * 6) {
                    time = time.minusMonths(2);
                } else if (j < this.noOfRequests / 20 * 7) {
                    time = time.minusMonths(1).minusDays(1).minusHours(2);
                } else if (j < this.noOfRequests / 20 * 8) {
                    time = time.minusMonths(1).minusDays(1);
                } else if (j < this.noOfRequests / 20 * 9) {
                    time = time.minusMonths(1);
                } else if (j < this.noOfRequests / 20 * 10) {
                    time = time.minusHours(5);
                } else if (j < this.noOfRequests / 20 * 11) {
                    time = time.minusHours(3);
                } else if (j < this.noOfRequests / 20 * 12) {
                    time = time.minusHours(1);
                } else {
                    isFault = sentFaults < this.noOfFaults;
                }

                long timeInMilliSec = time.getMillis();
                payloadData[1] = Utils.getESBCompressedEventString(messageId, this.entryPointName,
                        this.noOfMediators, this.payloadsEnabled, this.propertiesEnabled, isFault, timeInMilliSec);
                event = new Event(null, System.currentTimeMillis(), metaData, null, payloadData);
                this.dataPublisherClient.publish(TestConstants.ESB_FLOW_ENTRY_STREAM_NAME, "1.0.0", event);
                if (isFault) {
                    sentFaults++;
                }
                // sleep to control the throughput
                Thread.sleep(this.sleepBetweenRequests);
                publishedRequests++;
            }
        } catch (DataEndpointException e) {
            throw new RuntimeException("Falied to publish event: " + e.getMessage(), e);
        } catch (InterruptedException ignored) {
        } finally {
            try {
                log.info("Published: " + publishedRequests + " events to: " + entryPointName + " for tenant: "
                        + tenantId);
                if (this.dataPublisherClient != null) {
                    Thread.sleep(20000);
                    this.dataPublisherClient.shutdown();
                }
            } catch (Exception ignored) {
            }
        }
    }
}