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/*
* ===============================LICENSE_START======================================
* dcae-analytics
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============================LICENSE_END===========================================
*/
package org.onap.dcae.apod.analytics.cdap.tca.flowlet;
import co.cask.cdap.api.annotation.Output;
import co.cask.cdap.api.annotation.ProcessInput;
import co.cask.cdap.api.flow.flowlet.AbstractFlowlet;
import co.cask.cdap.api.flow.flowlet.OutputEmitter;
import co.cask.cdap.api.flow.flowlet.StreamEvent;
import com.google.common.base.Charsets;
import org.onap.dcae.apod.analytics.cdap.common.CDAPComponentsConstants;
import org.onap.dcae.apod.analytics.common.AnalyticsConstants;
/**
* TCA Message Router Flowlet emits VES Message to {@link TCAVESThresholdViolationCalculatorFlowlet} instances
*
* @author Rajiv Singla . Creation Date: 11/14/2016.
*/
public class TCAVESMessageRouterFlowlet extends AbstractFlowlet {
/**
* Emits ves message to TCA Calculator Instances
*/
@Output(CDAPComponentsConstants.TCA_FIXED_VES_MESSAGE_ROUTER_OUTPUT)
protected OutputEmitter<String> vesMessageEmitter;
@Override
public void configure() {
setName(CDAPComponentsConstants.TCA_FIXED_VES_MESSAGE_ROUTER_NAME_FLOWLET);
setDescription(CDAPComponentsConstants.TCA_FIXED_VES_MESSAGE_ROUTER_DESCRIPTION_FLOWLET);
}
@ProcessInput
public void routeVESMessage(StreamEvent vesMessageStreamEvent) {
final String vesMessage = Charsets.UTF_8.decode(vesMessageStreamEvent.getBody()).toString();
vesMessageEmitter.emit(
vesMessage, AnalyticsConstants.TCA_VES_MESSAGE_ROUTER_PARTITION_KEY, vesMessage.hashCode());
}
}
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