cascading.operation.assertion
Class AssertNull

java.lang.Object
  extended by cascading.operation.BaseOperation<C>
      extended by cascading.operation.assertion.BaseAssertion
          extended by cascading.operation.assertion.AssertNull
All Implemented Interfaces:
DeclaresResults, Assertion, Operation, PlannedOperation, ValueAssertion, Traceable, Serializable

public class AssertNull
extends BaseAssertion
implements ValueAssertion

Class AssertNull asserts that every value in the argument values Tuple is a null value.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class cascading.operation.BaseOperation
fieldDeclaration, numArgs, trace
 
Fields inherited from interface cascading.operation.Operation
ANY
 
Constructor Summary
AssertNull()
          Constructor AssertNull creates a new AssertNull instance.
 
Method Summary
 void doAssert(FlowProcess flowProcess, ValueAssertionCall assertionCall)
          Method doAssert performs the assertion.
 
Methods inherited from class cascading.operation.assertion.BaseAssertion
equals, fail, fail, getMessage, hashCode, supportsPlannerLevel, throwFail, throwFail
 
Methods inherited from class cascading.operation.BaseOperation
cleanup, flush, getFieldDeclaration, getNumArgs, getTrace, isSafe, prepare, printOperationInternal, toString, toStringInternal
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface cascading.operation.PlannedOperation
supportsPlannerLevel
 
Methods inherited from interface cascading.operation.Operation
cleanup, flush, getFieldDeclaration, getNumArgs, isSafe, prepare
 

Constructor Detail

AssertNull

public AssertNull()
Constructor AssertNull creates a new AssertNull instance.

Method Detail

doAssert

public void doAssert(FlowProcess flowProcess,
                     ValueAssertionCall assertionCall)
Description copied from interface: ValueAssertion
Method doAssert performs the assertion.

Specified by:
doAssert in interface ValueAssertion
Parameters:
flowProcess - of type FlowProcess
assertionCall - of type ValueAssertionCall


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