/*
* Copyright © 2014 Cask Data, Inc.
*
* 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.
*/
package co.cask.cdap.client.app;
import co.cask.cdap.api.annotation.ProcessInput;
import co.cask.cdap.api.annotation.UseDataSet;
import co.cask.cdap.api.common.Bytes;
import co.cask.cdap.api.flow.AbstractFlow;
import co.cask.cdap.api.flow.flowlet.AbstractFlowlet;
import co.cask.cdap.api.flow.flowlet.InputContext;
import co.cask.cdap.api.flow.flowlet.StreamEvent;
import java.nio.charset.CharacterCodingException;
/**
*
*/
public class FakeFlow extends AbstractFlow {
public static final String NAME = "FakeFlow";
public static final String FLOWLET_NAME = "fakeFlowlet";
@Override
protected void configureFlow() {
setName(NAME);
setDescription("Does nothing");
addFlowlet(FLOWLET_NAME, new FakeFlowlet());
connectStream(FakeApp.STREAM_NAME, FLOWLET_NAME);
}
/**
*
*/
public static final class FakeFlowlet extends AbstractFlowlet {
@UseDataSet(FakeApp.DS_NAME)
private FakeDataset fakeDataset;
@ProcessInput
public void process(StreamEvent event, InputContext context) throws CharacterCodingException {
String eventBody = Bytes.toString(event.getBody());
int separatorIndex = eventBody.indexOf(":");
if (separatorIndex != -1) {
fakeDataset.put(Bytes.toBytes(eventBody.substring(0, separatorIndex)),
Bytes.toBytes(eventBody.substring(separatorIndex + 1)));
}
}
}
}