// This software is released into the Public Domain. See copying.txt for details.
package org.openstreetmap.osmosis.core.pipeline.v0_6;
import java.util.Map;
import org.openstreetmap.osmosis.core.pipeline.common.ActiveTaskManager;
import org.openstreetmap.osmosis.core.pipeline.common.PipeTasks;
import org.openstreetmap.osmosis.core.task.v0_6.SinkRunnableSource;
import org.openstreetmap.osmosis.core.task.v0_6.Source;
/**
* A task manager implementation for SinkRunnableSource task implementations.
*
* @author Brett Henderson
*/
public class SinkRunnableSourceManager extends ActiveTaskManager {
private SinkRunnableSource task;
/**
* Creates a new instance.
*
* @param taskId
* A unique identifier for the task. This is used to produce
* meaningful errors when errors occur.
* @param task
* The task instance to be managed.
* @param pipeArgs
* The arguments defining input and output pipes for the task,
* pipes are a logical concept for identifying how the tasks are
* connected together.
*/
public SinkRunnableSourceManager(String taskId, SinkRunnableSource task,
Map<String, String> pipeArgs) {
super(taskId, pipeArgs);
this.task = task;
}
/**
* {@inheritDoc}
*/
@Override
public void connect(PipeTasks pipeTasks) {
Source source;
// Get the input task. A sink only has one input, this corresponds to
// pipe index 0.
source = (Source) getInputTask(pipeTasks, 0, Source.class);
// Connect the tasks.
source.setSink(task);
// Register the task as an output. A source only has one output, this
// corresponds to pipe index 0.
setOutputTask(pipeTasks, task, 0);
}
/**
* {@inheritDoc}
*/
@Override
protected Runnable getTask() {
return task;
}
}