Uses of Interface
org.apache.commons.collections.Predicate
Packages that use Predicate
Package
Description
This package contains the interfaces and utilities shared across all the subpackages of this component.
This package contains implementations of the
Buffer
interface.
This package contains implementations of the
Collection
interface.
This package contains implementations of the
Closure
,
Predicate
,
Transformer
and
Factory
interfaces.
This package contains implementations of the
Iterator
interface.
This package contains implementations of the
List
interface.-
Uses of Predicate in org.apache.commons.collections
Methods in org.apache.commons.collections that return PredicateModifier and TypeMethodDescriptionstatic Predicate
PredicateUtils.allPredicate
(Collection predicates) Create a new Predicate that returns true only if all of the specified predicates are true.static Predicate
PredicateUtils.allPredicate
(Predicate[] predicates) Create a new Predicate that returns true only if all of the specified predicates are true.static Predicate
PredicateUtils.andPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true only if both of the specified predicates are true.static Predicate
PredicateUtils.anyPredicate
(Collection predicates) Create a new Predicate that returns true if any of the specified predicates are true.static Predicate
PredicateUtils.anyPredicate
(Predicate[] predicates) Create a new Predicate that returns true if any of the specified predicates are true.static Predicate
PredicateUtils.asPredicate
(Transformer transformer) Create a new Predicate that wraps a Transformer.static Predicate
PredicateUtils.eitherPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true if one, but not both, of the specified predicates are true.static Predicate
PredicateUtils.equalPredicate
(Object value) Creates a Predicate that checks if the input object is equal to the specified object using equals().static Predicate
PredicateUtils.exceptionPredicate()
Gets a Predicate that always throws an exception.static Predicate
PredicateUtils.falsePredicate()
Gets a Predicate that always returns false.static Predicate
PredicateUtils.identityPredicate
(Object value) Creates a Predicate that checks if the input object is equal to the specified object by identity.static Predicate
PredicateUtils.instanceofPredicate
(Class type) Creates a Predicate that checks if the object passed in is of a particular type, using instanceof.static Predicate
PredicateUtils.invokerPredicate
(String methodName) Creates a Predicate that invokes a method on the input object.static Predicate
PredicateUtils.invokerPredicate
(String methodName, Class[] paramTypes, Object[] args) Creates a Predicate that invokes a method on the input object.static Predicate
PredicateUtils.neitherPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true if neither of the specified predicates are true.static Predicate
PredicateUtils.nonePredicate
(Collection predicates) Create a new Predicate that returns true if none of the specified predicates are true.static Predicate
PredicateUtils.nonePredicate
(Predicate[] predicates) Create a new Predicate that returns true if none of the specified predicates are true.static Predicate
PredicateUtils.notNullPredicate()
Gets a Predicate that checks if the input object passed in is not null.static Predicate
PredicateUtils.notPredicate
(Predicate predicate) Create a new Predicate that returns true if the specified predicate returns false and vice versa.static Predicate
PredicateUtils.nullIsExceptionPredicate
(Predicate predicate) Gets a Predicate that throws an exception if the input object is null, otherwise it calls the specified Predicate.static Predicate
PredicateUtils.nullIsFalsePredicate
(Predicate predicate) Gets a Predicate that returns false if the input object is null, otherwise it calls the specified Predicate.static Predicate
PredicateUtils.nullIsTruePredicate
(Predicate predicate) Gets a Predicate that returns true if the input object is null, otherwise it calls the specified Predicate.static Predicate
PredicateUtils.nullPredicate()
Gets a Predicate that checks if the input object passed in is null.static Predicate
PredicateUtils.onePredicate
(Collection predicates) Create a new Predicate that returns true if only one of the specified predicates are true.static Predicate
PredicateUtils.onePredicate
(Predicate[] predicates) Create a new Predicate that returns true if only one of the specified predicates are true.static Predicate
PredicateUtils.orPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true if either of the specified predicates are true.static Predicate
PredicateUtils.transformedPredicate
(Transformer transformer, Predicate predicate) Creates a predicate that transforms the input object before passing it to the predicate.static Predicate
PredicateUtils.truePredicate()
Gets a Predicate that always returns true.static Predicate
PredicateUtils.uniquePredicate()
Creates a Predicate that returns true the first time an object is encountered, and false if the same object is received again.Methods in org.apache.commons.collections with parameters of type PredicateModifier and TypeMethodDescriptionstatic Predicate
PredicateUtils.allPredicate
(Predicate[] predicates) Create a new Predicate that returns true only if all of the specified predicates are true.static Predicate
PredicateUtils.andPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true only if both of the specified predicates are true.static Predicate
PredicateUtils.anyPredicate
(Predicate[] predicates) Create a new Predicate that returns true if any of the specified predicates are true.static Transformer
TransformerUtils.asTransformer
(Predicate predicate) Creates a Transformer that calls a Predicate each time the transformer is used.static int
CollectionUtils.countMatches
(Collection inputCollection, Predicate predicate) Counts the number of elements in the input collection that match the predicate.static Closure
ClosureUtils.doWhileClosure
(Closure closure, Predicate predicate) Creates a Closure that will call the closure once and then repeatedly until the predicate returns false.static Predicate
PredicateUtils.eitherPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true if one, but not both, of the specified predicates are true.static boolean
CollectionUtils.exists
(Collection collection, Predicate predicate) Answers true if a predicate is true for at least one element of a collection.static void
CollectionUtils.filter
(Collection collection, Predicate predicate) Filter the collection by applying a Predicate to each element.static Iterator
IteratorUtils.filteredIterator
(Iterator iterator, Predicate predicate) Gets an iterator that filters another iterator.static ListIterator
IteratorUtils.filteredListIterator
(ListIterator listIterator, Predicate predicate) Gets a list iterator that filters another list iterator.static Object
CollectionUtils.find
(Collection collection, Predicate predicate) Finds the first element in the given collection which matches the given predicate.static Closure
Create a new Closure that calls another closure based on the result of the specified predicate.static Closure
Create a new Closure that calls one of two closures depending on the specified predicate.static Predicate
PredicateUtils.neitherPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true if neither of the specified predicates are true.static Predicate
PredicateUtils.nonePredicate
(Predicate[] predicates) Create a new Predicate that returns true if none of the specified predicates are true.static Predicate
PredicateUtils.notPredicate
(Predicate predicate) Create a new Predicate that returns true if the specified predicate returns false and vice versa.static Predicate
PredicateUtils.nullIsExceptionPredicate
(Predicate predicate) Gets a Predicate that throws an exception if the input object is null, otherwise it calls the specified Predicate.static Predicate
PredicateUtils.nullIsFalsePredicate
(Predicate predicate) Gets a Predicate that returns false if the input object is null, otherwise it calls the specified Predicate.static Predicate
PredicateUtils.nullIsTruePredicate
(Predicate predicate) Gets a Predicate that returns true if the input object is null, otherwise it calls the specified Predicate.static Predicate
PredicateUtils.onePredicate
(Predicate[] predicates) Create a new Predicate that returns true if only one of the specified predicates are true.static Predicate
PredicateUtils.orPredicate
(Predicate predicate1, Predicate predicate2) Create a new Predicate that returns true if either of the specified predicates are true.static Bag
BagUtils.predicatedBag
(Bag bag, Predicate predicate) Returns a predicated (validating) bag backed by the given bag.static Buffer
BufferUtils.predicatedBuffer
(Buffer buffer, Predicate predicate) Returns a predicated (validating) buffer backed by the given buffer.static Collection
CollectionUtils.predicatedCollection
(Collection collection, Predicate predicate) Returns a predicated (validating) collection backed by the given collection.static List
ListUtils.predicatedList
(List list, Predicate predicate) Returns a predicated (validating) list backed by the given list.static Map
MapUtils.predicatedMap
(Map map, Predicate keyPred, Predicate valuePred) Returns a predicated (validating) map backed by the given map.static Set
SetUtils.predicatedSet
(Set set, Predicate predicate) Returns a predicated (validating) set backed by the given set.static SortedBag
BagUtils.predicatedSortedBag
(SortedBag bag, Predicate predicate) Returns a predicated (validating) sorted bag backed by the given sorted bag.static SortedMap
MapUtils.predicatedSortedMap
(SortedMap map, Predicate keyPred, Predicate valuePred) Returns a predicated (validating) sorted map backed by the given map.static SortedSet
SetUtils.predicatedSortedSet
(SortedSet set, Predicate predicate) Returns a predicated (validating) sorted set backed by the given sorted set.static Collection
CollectionUtils.select
(Collection inputCollection, Predicate predicate) Selects all elements from input collection which match the given predicate into an output collection.static void
CollectionUtils.select
(Collection inputCollection, Predicate predicate, Collection outputCollection) Selects all elements from input collection which match the given predicate and adds them to outputCollection.static Collection
CollectionUtils.selectRejected
(Collection inputCollection, Predicate predicate) Selects all elements from inputCollection which don't match the given predicate into an output collection.static void
CollectionUtils.selectRejected
(Collection inputCollection, Predicate predicate, Collection outputCollection) Selects all elements from inputCollection which don't match the given predicate and adds them to outputCollection.static Closure
ClosureUtils.switchClosure
(Predicate[] predicates, Closure[] closures) Create a new Closure that calls one of the closures depending on the predicates.static Closure
ClosureUtils.switchClosure
(Predicate[] predicates, Closure[] closures, Closure defaultClosure) Create a new Closure that calls one of the closures depending on the predicates.static Transformer
TransformerUtils.switchTransformer
(Predicate[] predicates, Transformer[] transformers) Create a new Transformer that calls one of the transformers depending on the predicates.static Transformer
TransformerUtils.switchTransformer
(Predicate[] predicates, Transformer[] transformers, Transformer defaultTransformer) Create a new Transformer that calls one of the transformers depending on the predicates.static Transformer
TransformerUtils.switchTransformer
(Predicate predicate, Transformer trueTransformer, Transformer falseTransformer) Create a new Transformer that calls one of two transformers depending on the specified predicate.static Predicate
PredicateUtils.transformedPredicate
(Transformer transformer, Predicate predicate) Creates a predicate that transforms the input object before passing it to the predicate.static Closure
ClosureUtils.whileClosure
(Predicate predicate, Closure closure) Creates a Closure that will call the closure repeatedly until the predicate returns false. -
Uses of Predicate in org.apache.commons.collections.bag
Methods in org.apache.commons.collections.bag with parameters of type PredicateModifier and TypeMethodDescriptionstatic Bag
Factory method to create a predicated (validating) bag.static SortedBag
Factory method to create a predicated (validating) bag.Constructors in org.apache.commons.collections.bag with parameters of type PredicateModifierConstructorDescriptionprotected
PredicatedBag
(Bag bag, Predicate predicate) Constructor that wraps (not copies).protected
PredicatedSortedBag
(SortedBag bag, Predicate predicate) Constructor that wraps (not copies). -
Uses of Predicate in org.apache.commons.collections.buffer
Methods in org.apache.commons.collections.buffer with parameters of type PredicateModifier and TypeMethodDescriptionstatic Buffer
Factory method to create a predicated (validating) buffer.Constructors in org.apache.commons.collections.buffer with parameters of type PredicateModifierConstructorDescriptionprotected
PredicatedBuffer
(Buffer buffer, Predicate predicate) Constructor that wraps (not copies). -
Uses of Predicate in org.apache.commons.collections.collection
Fields in org.apache.commons.collections.collection declared as PredicateModifier and TypeFieldDescriptionprotected final Predicate
PredicatedCollection.predicate
The predicate to useMethods in org.apache.commons.collections.collection with parameters of type PredicateModifier and TypeMethodDescriptionstatic Collection
PredicatedCollection.decorate
(Collection coll, Predicate predicate) Factory method to create a predicated (validating) collection.Constructors in org.apache.commons.collections.collection with parameters of type PredicateModifierConstructorDescriptionprotected
PredicatedCollection
(Collection coll, Predicate predicate) Constructor that wraps (not copies). -
Uses of Predicate in org.apache.commons.collections.functors
Subinterfaces of Predicate in org.apache.commons.collections.functorsModifier and TypeInterfaceDescriptioninterface
Defines a predicate that decorates one or more other predicates.Classes in org.apache.commons.collections.functors that implement PredicateModifier and TypeClassDescriptionfinal class
Predicate implementation that returns true if all the predicates return true.final class
Predicate implementation that returns true if both the predicates return true.final class
Predicate implementation that returns true if any of the predicates return true.final class
Predicate implementation that returns true if the input is the same object as the one stored in this predicate by equals.final class
Predicate implementation that always throws an exception.final class
Predicate implementation that always returns false.final class
Predicate implementation that returns true if the input is the same object as the one stored in this predicate.final class
Predicate implementation that returns true if the input is an instanceof the type stored in this predicate.final class
Predicate implementation that returns true if none of the predicates return true.final class
Predicate implementation that returns true if the input is not null.final class
Predicate implementation that returns the opposite of the decorated predicate.final class
Predicate implementation that throws an exception if the input is null.final class
Predicate implementation that returns false if the input is null.final class
Predicate implementation that returns true if the input is null.final class
Predicate implementation that returns true if the input is null.final class
Predicate implementation that returns true if only one of the predicates return true.final class
Predicate implementation that returns true if either of the predicates return true.final class
Predicate implementation that transforms the given object before invoking anotherPredicate
.final class
Predicate implementation that returns the result of a transformer.final class
Predicate implementation that always returns true.final class
Predicate implementation that returns true the first time an object is passed into the predicate.Fields in org.apache.commons.collections.functors declared as PredicateModifier and TypeFieldDescriptionstatic final Predicate
ExceptionPredicate.INSTANCE
Singleton predicate instancestatic final Predicate
FalsePredicate.INSTANCE
Singleton predicate instancestatic final Predicate
NotNullPredicate.INSTANCE
Singleton predicate instancestatic final Predicate
NullPredicate.INSTANCE
Singleton predicate instancestatic final Predicate
TruePredicate.INSTANCE
Singleton predicate instanceMethods in org.apache.commons.collections.functors that return PredicateModifier and TypeMethodDescriptionstatic Predicate
AllPredicate.getInstance
(Collection predicates) Factory to create the predicate.static Predicate
AllPredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
AndPredicate.getInstance
(Predicate predicate1, Predicate predicate2) Factory to create the predicate.static Predicate
AnyPredicate.getInstance
(Collection predicates) Factory to create the predicate.static Predicate
AnyPredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
EqualPredicate.getInstance
(Object object) Factory to create the identity predicate.static Predicate
ExceptionPredicate.getInstance()
Factory returning the singleton instance.static Predicate
FalsePredicate.getInstance()
Factory returning the singleton instance.static Predicate
IdentityPredicate.getInstance
(Object object) Factory to create the identity predicate.static Predicate
InstanceofPredicate.getInstance
(Class type) Factory to create the identity predicate.static Predicate
NonePredicate.getInstance
(Collection predicates) Factory to create the predicate.static Predicate
NonePredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
NotNullPredicate.getInstance()
Factory returning the singleton instance.static Predicate
NotPredicate.getInstance
(Predicate predicate) Factory to create the not predicate.static Predicate
NullIsExceptionPredicate.getInstance
(Predicate predicate) Factory to create the null exception predicate.static Predicate
NullIsFalsePredicate.getInstance
(Predicate predicate) Factory to create the null false predicate.static Predicate
NullIsTruePredicate.getInstance
(Predicate predicate) Factory to create the null true predicate.static Predicate
NullPredicate.getInstance()
Factory returning the singleton instance.static Predicate
OnePredicate.getInstance
(Collection predicates) Factory to create the predicate.static Predicate
OnePredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
OrPredicate.getInstance
(Predicate predicate1, Predicate predicate2) Factory to create the predicate.static Predicate
TransformedPredicate.getInstance
(Transformer transformer, Predicate predicate) Factory to create the predicate.static Predicate
TransformerPredicate.getInstance
(Transformer transformer) Factory to create the predicate.static Predicate
TruePredicate.getInstance()
Factory returning the singleton instance.static Predicate
UniquePredicate.getInstance()
Factory to create the predicate.IfClosure.getPredicate()
Gets the predicate.PredicateTransformer.getPredicate()
Gets the predicate.WhileClosure.getPredicate()
Gets the predicate in use.AllPredicate.getPredicates()
Gets the predicates, do not modify the array.AndPredicate.getPredicates()
Gets the two predicates being decorated as an array.AnyPredicate.getPredicates()
Gets the predicates, do not modify the array.NonePredicate.getPredicates()
Gets the predicates, do not modify the array.NotPredicate.getPredicates()
Gets the predicate being decorated.NullIsExceptionPredicate.getPredicates()
Gets the predicate being decorated.NullIsFalsePredicate.getPredicates()
Gets the predicate being decorated.NullIsTruePredicate.getPredicates()
Gets the predicate being decorated.OnePredicate.getPredicates()
Gets the predicates, do not modify the array.OrPredicate.getPredicates()
Gets the two predicates being decorated as an array.PredicateDecorator.getPredicates()
Gets the predicates being decorated as an array.SwitchClosure.getPredicates()
Gets the predicates, do not modify the array.SwitchTransformer.getPredicates()
Gets the predicates, do not modify the array.TransformedPredicate.getPredicates()
Gets the predicate being decorated.Methods in org.apache.commons.collections.functors with parameters of type PredicateModifier and TypeMethodDescriptionstatic Predicate
AllPredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
AndPredicate.getInstance
(Predicate predicate1, Predicate predicate2) Factory to create the predicate.static Predicate
AnyPredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Closure
IfClosure.getInstance
(Predicate predicate, Closure trueClosure) Factory method that performs validation.static Closure
IfClosure.getInstance
(Predicate predicate, Closure trueClosure, Closure falseClosure) Factory method that performs validation.static Predicate
NonePredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
NotPredicate.getInstance
(Predicate predicate) Factory to create the not predicate.static Predicate
NullIsExceptionPredicate.getInstance
(Predicate predicate) Factory to create the null exception predicate.static Predicate
NullIsFalsePredicate.getInstance
(Predicate predicate) Factory to create the null false predicate.static Predicate
NullIsTruePredicate.getInstance
(Predicate predicate) Factory to create the null true predicate.static Predicate
OnePredicate.getInstance
(Predicate[] predicates) Factory to create the predicate.static Predicate
OrPredicate.getInstance
(Predicate predicate1, Predicate predicate2) Factory to create the predicate.static Transformer
PredicateTransformer.getInstance
(Predicate predicate) Factory method that performs validation.static Closure
SwitchClosure.getInstance
(Predicate[] predicates, Closure[] closures, Closure defaultClosure) Factory method that performs validation and copies the parameter arrays.static Transformer
SwitchTransformer.getInstance
(Predicate[] predicates, Transformer[] transformers, Transformer defaultTransformer) Factory method that performs validation and copies the parameter arrays.static Predicate
TransformedPredicate.getInstance
(Transformer transformer, Predicate predicate) Factory to create the predicate.static Closure
WhileClosure.getInstance
(Predicate predicate, Closure closure, boolean doLoop) Factory method that performs validation.Constructors in org.apache.commons.collections.functors with parameters of type PredicateModifierConstructorDescriptionAllPredicate
(Predicate[] predicates) Constructor that performs no validation.AndPredicate
(Predicate predicate1, Predicate predicate2) Constructor that performs no validation.AnyPredicate
(Predicate[] predicates) Constructor that performs no validation.Constructor that performs no validation.Constructor that performs no validation.NonePredicate
(Predicate[] predicates) Constructor that performs no validation.NotPredicate
(Predicate predicate) Constructor that performs no validation.NullIsExceptionPredicate
(Predicate predicate) Constructor that performs no validation.NullIsFalsePredicate
(Predicate predicate) Constructor that performs no validation.NullIsTruePredicate
(Predicate predicate) Constructor that performs no validation.OnePredicate
(Predicate[] predicates) Constructor that performs no validation.OrPredicate
(Predicate predicate1, Predicate predicate2) Constructor that performs no validation.PredicateTransformer
(Predicate predicate) Constructor that performs no validation.SwitchClosure
(Predicate[] predicates, Closure[] closures, Closure defaultClosure) Constructor that performs no validation.SwitchTransformer
(Predicate[] predicates, Transformer[] transformers, Transformer defaultTransformer) Constructor that performs no validation.TransformedPredicate
(Transformer transformer, Predicate predicate) Constructor that performs no validation.WhileClosure
(Predicate predicate, Closure closure, boolean doLoop) Constructor that performs no validation. -
Uses of Predicate in org.apache.commons.collections.iterators
Methods in org.apache.commons.collections.iterators that return PredicateModifier and TypeMethodDescriptionFilterIterator.getPredicate()
Gets the predicate this iterator is using.FilterListIterator.getPredicate()
Gets the predicate this iterator is using.Methods in org.apache.commons.collections.iterators with parameters of type PredicateModifier and TypeMethodDescriptionvoid
FilterIterator.setPredicate
(Predicate predicate) Sets the predicate this the iterator to use.void
FilterListIterator.setPredicate
(Predicate predicate) Sets the predicate this the iterator to use.Constructors in org.apache.commons.collections.iterators with parameters of type PredicateModifierConstructorDescriptionFilterIterator
(Iterator iterator, Predicate predicate) Constructs a newFilterIterator
that will use the given iterator and predicate.FilterListIterator
(ListIterator iterator, Predicate predicate) Constructs a newFilterListIterator
.FilterListIterator
(Predicate predicate) Constructs a newFilterListIterator
that will not function untilsetListIterator
is invoked. -
Uses of Predicate in org.apache.commons.collections.list
Methods in org.apache.commons.collections.list with parameters of type PredicateModifier and TypeMethodDescriptionstatic List
Factory method to create a predicated (validating) list.Constructors in org.apache.commons.collections.list with parameters of type PredicateModifierConstructorDescriptionprotected
PredicatedList
(List list, Predicate predicate) Constructor that wraps (not copies). -
Uses of Predicate in org.apache.commons.collections.map
Fields in org.apache.commons.collections.map declared as PredicateModifier and TypeFieldDescriptionprotected final Predicate
PredicatedMap.keyPredicate
The key predicate to useprotected final Predicate
PredicatedMap.valuePredicate
The value predicate to useMethods in org.apache.commons.collections.map with parameters of type PredicateModifier and TypeMethodDescriptionstatic Map
Factory method to create a predicated (validating) map.static SortedMap
Factory method to create a predicated (validating) sorted map.Constructors in org.apache.commons.collections.map with parameters of type PredicateModifierConstructorDescriptionprotected
PredicatedMap
(Map map, Predicate keyPredicate, Predicate valuePredicate) Constructor that wraps (not copies).protected
PredicatedSortedMap
(SortedMap map, Predicate keyPredicate, Predicate valuePredicate) Constructor that wraps (not copies). -
Uses of Predicate in org.apache.commons.collections.set
Methods in org.apache.commons.collections.set with parameters of type PredicateModifier and TypeMethodDescriptionstatic Set
Factory method to create a predicated (validating) set.static SortedSet
Factory method to create a predicated (validating) sorted set.Constructors in org.apache.commons.collections.set with parameters of type PredicateModifierConstructorDescriptionprotected
PredicatedSet
(Set set, Predicate predicate) Constructor that wraps (not copies).protected
PredicatedSortedSet
(SortedSet set, Predicate predicate) Constructor that wraps (not copies).