AbstractHttpServerSource.java

/**
 * Copyright 2016 StreamSets Inc.
 * <p>
 * Licensed under the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 com.streamsets.pipeline.lib.httpsource;

import com.streamsets.pipeline.api.BatchMaker;
import com.streamsets.pipeline.api.OffsetCommitter;
import com.streamsets.pipeline.api.Source;
import com.streamsets.pipeline.api.StageException;
import com.streamsets.pipeline.lib.http.HttpConfigs;
import com.streamsets.pipeline.lib.http.HttpReceiver;

public abstract class AbstractHttpServerSource<R extends HttpReceiver>
    extends AbstractHttpServerProtoSource<R, Source.Context> implements Source, OffsetCommitter {

  private long counter;

  public AbstractHttpServerSource(HttpConfigs httpConfigs, R receiver) {
    super(httpConfigs, receiver);
  }

  protected long getProduceSleepMillis() {
    return 1000;
  }

  @Override
  public String produce(String lastSourceOffset, int maxBatchSize, BatchMaker batchMaker) throws StageException {
    dispatchHttpReceiverErrors(getProduceSleepMillis());
    return "::abstracthttpserversource::" + (counter++) + System.currentTimeMillis();
  }

  @Override
  public void commit(String offset) throws StageException {
  }

}