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DotfileWriter (Apache Crunch 0.9.0 API)
org.apache.crunch.impl.mr.plan
Class DotfileWriter
java.lang.Object
org.apache.crunch.impl.mr.plan.DotfileWriter
public class DotfileWriter
- extends Object
Writes Graphviz dot files to illustrate
the topology of Crunch pipelines.
Method Summary |
void |
addJobPrototype(org.apache.crunch.impl.mr.plan.JobPrototype jobPrototype)
Add the contents of a JobPrototype to the graph describing a
pipeline. |
String |
buildDotfile()
Build up the full dot file containing the description of a MapReduce
pipeline. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DotfileWriter
public DotfileWriter()
addJobPrototype
public void addJobPrototype(org.apache.crunch.impl.mr.plan.JobPrototype jobPrototype)
- Add the contents of a
JobPrototype
to the graph describing a
pipeline.
- Parameters:
jobPrototype
- A JobPrototype representing a portion of a MapReduce
pipeline
buildDotfile
public String buildDotfile()
- Build up the full dot file containing the description of a MapReduce
pipeline.
- Returns:
- Graphviz dot file contents
Copyright © 2014 The Apache Software Foundation. All Rights Reserved.