storm-client/src/jvm/org/apache/storm/topology/BasicOutputCollector.java

/**
 * Licensed to 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
 *
 * 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.apache.storm.topology;

import java.util.List;
import org.apache.storm.task.IOutputCollector;
import org.apache.storm.task.OutputCollector;
import org.apache.storm.tuple.Tuple;
import org.apache.storm.utils.Utils;


public class BasicOutputCollector implements IBasicOutputCollector {
    private OutputCollector out;
    private Tuple inputTuple;

    public BasicOutputCollector(OutputCollector out) {
        this.out = out;
    }

    @Override
    public List<Integer> emit(String streamId, List<Object> tuple) {
        return out.emit(streamId, inputTuple, tuple);
    }

    public List<Integer> emit(List<Object> tuple) {
        return emit(Utils.DEFAULT_STREAM_ID, tuple);
    }

    public void setContext(Tuple inputTuple) {
        this.inputTuple = inputTuple;
    }

    @Override
    public void emitDirect(int taskId, String streamId, List<Object> tuple) {
        out.emitDirect(taskId, streamId, inputTuple, tuple);
    }

    public void emitDirect(int taskId, List<Object> tuple) {
        emitDirect(taskId, Utils.DEFAULT_STREAM_ID, tuple);
    }

    /**
     * Resets the message timeout for any tuple trees to which the given tuple belongs. The timeout is reset to
     * Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS. Note that this is an expensive operation, and should be used sparingly.
     *
     * @param tuple the tuple to reset timeout for
     */
    @Override
    public void resetTimeout(Tuple tuple) {
        out.resetTimeout(tuple);
    }

    protected IOutputCollector getOutputter() {
        return out;
    }

    @Override
    public void reportError(Throwable t) {
        out.reportError(t);
    }
}