groovyx.gpars.dataflow.operator
Class FilterClosure<V>

java.lang.Object
  groovy.lang.GroovyObjectSupport
      groovy.lang.Closure
          groovyx.gpars.dataflow.operator.FilterClosure<V>

All Implemented Interfaces:

groovy.lang.GroovyCallable, groovy.lang.GroovyObject, java.io.Serializable, java.lang.Cloneable, java.lang.Runnable, java.util.concurrent.Callable

public final class FilterClosure<V>
extends groovy.lang.Closure

Used by the filter() method to wrap the supplied closure and use it for filtering data. This wrapper closure returns the original data, if the supplied function returns true. A NullObject.getNullObject() value is return to indicate the current piece of data should be filtered out.

Author:

Vaclav Pech

See Also:

Serialized Form

Field Summary

private static java.lang.Class[]	PARAMETER_TYPES
private groovy.lang.Closure<java.lang.Boolean>	wiseMan

Fields inherited from class groovy.lang.Closure

DELEGATE_FIRST, DELEGATE_ONLY, DONE, IDENTITY, maximumNumberOfParameters, OWNER_FIRST, OWNER_ONLY, parameterTypes, SKIP, TO_SELF

Constructor Summary

FilterClosure(groovy.lang.Closure<java.lang.Boolean> wiseMan)

Method Summary

java.lang.Object	call()
java.lang.Object	call(java.lang.Object... args)
java.lang.Object	call(java.lang.Object arguments)
int	getMaximumNumberOfParameters()
java.lang.Class[]	getParameterTypes()

Methods inherited from class groovy.lang.Closure

asWritable, clone, curry, curry, dehydrate, getDelegate, getDirective, getOwner, getProperty, getResolveStrategy, getThisObject, isCase, leftShift, leftShift, memoize, memoizeAtLeast, memoizeAtMost, memoizeBetween, ncurry, ncurry, rcurry, rcurry, rehydrate, rightShift, run, setDelegate, setDirective, setProperty, setResolveStrategy, throwRuntimeException, trampoline, trampoline

Methods inherited from class groovy.lang.GroovyObjectSupport

getMetaClass, invokeMethod, setMetaClass

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

wiseMan

private final groovy.lang.Closure<java.lang.Boolean> wiseMan

PARAMETER_TYPES

private static final java.lang.Class[] PARAMETER_TYPES

Constructor Detail

FilterClosure

public FilterClosure(groovy.lang.Closure<java.lang.Boolean> wiseMan)

Method Detail

getMaximumNumberOfParameters

public int getMaximumNumberOfParameters()

Overrides:

getMaximumNumberOfParameters in class groovy.lang.Closure

getParameterTypes

public java.lang.Class[] getParameterTypes()

Overrides:

getParameterTypes in class groovy.lang.Closure

call

public java.lang.Object call(java.lang.Object arguments)

Overrides:

call in class groovy.lang.Closure

call

public java.lang.Object call(java.lang.Object... args)

Overrides:

call in class groovy.lang.Closure

call

public java.lang.Object call()

Specified by:

call in interface java.util.concurrent.Callable

Overrides:

call in class groovy.lang.Closure