org.apache.pig.impl.logicalLayer
Class LODefine
java.lang.Object
org.apache.pig.impl.plan.Operator<LOVisitor>
org.apache.pig.impl.logicalLayer.LogicalOperator
org.apache.pig.impl.logicalLayer.LODefine
- All Implemented Interfaces:
- Serializable, Cloneable, Comparable<Operator>
public class LODefine
- extends LogicalOperator
- See Also:
- Serialized Form
Fields inherited from class org.apache.pig.impl.plan.Operator |
mKey |
Methods inherited from class org.apache.pig.impl.logicalLayer.LogicalOperator |
clone, forceSchema, getAlias, getOperatorKey, getPlan, getRequestedParallelism, getType, reconcileSchema, regenerateSchema, setAlias, setCanonicalNames, setPlan, setRequestedParallelism, setSchema, setSchemaComputed, setType, supportsMultipleOutputs, toString, unsetSchema |
LODefine
public LODefine(LogicalPlan plan,
OperatorKey key)
getSchema
public Schema getSchema()
throws FrontendException
- Description copied from class:
LogicalOperator
- Get a copy of the schema for the output of this operator.
- Specified by:
getSchema
in class LogicalOperator
- Throws:
FrontendException
visit
public void visit(LOVisitor v)
- Description copied from class:
LogicalOperator
- Visit this node with the provided visitor. This should only be called by
the visitor class itself, never directly.
- Specified by:
visit
in class LogicalOperator
- Parameters:
v
- Visitor to visit with.
name
public String name()
- Specified by:
name
in class Operator<LOVisitor>
supportsMultipleInputs
public boolean supportsMultipleInputs()
- Description copied from class:
Operator
- Indicates whether this operator supports multiple inputs.
- Specified by:
supportsMultipleInputs
in class Operator<LOVisitor>
- Returns:
- true if it does, otherwise false.
Copyright © ${year} The Apache Software Foundation