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java.lang.Objectorg.apache.pig.impl.plan.PlanVisitor<LogicalOperator,LogicalPlan>
org.apache.pig.impl.logicalLayer.LOVisitor
org.apache.pig.impl.logicalLayer.validators.InputOutputFileVisitor
public class InputOutputFileVisitor
Visitor for checking input/output files Exceptions in here do not affect later operations so we don't throw any exception but log all of them in msgCollector. We assume input/output files can exist only in the top level plan.
Field Summary |
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Fields inherited from class org.apache.pig.impl.plan.PlanVisitor |
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mCurrentWalker, mPlan |
Constructor Summary | |
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InputOutputFileVisitor(LogicalPlan plan,
CompilationMessageCollector messageCollector,
PigContext pigContext)
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Method Summary | |
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protected void |
visit(LOStore store)
The logic here is to delegate the validation of output specification to output format implementation. |
Methods inherited from class org.apache.pig.impl.logicalLayer.LOVisitor |
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visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit |
Methods inherited from class org.apache.pig.impl.plan.PlanVisitor |
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getPlan, popWalker, pushWalker, visit |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public InputOutputFileVisitor(LogicalPlan plan, CompilationMessageCollector messageCollector, PigContext pigContext)
Method Detail |
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protected void visit(LOStore store) throws PlanValidationException
visit
in class LOVisitor
PlanValidationException
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