xdi2.core.util.iterators

Class NotNullIterator<T>

java.lang.Object

xdi2.core.util.iterators.IterableIterator<T>

xdi2.core.util.iterators.WrappingIterator<T>

xdi2.core.util.iterators.ReadOnlyIterator<T>

xdi2.core.util.iterators.LookaheadIterator<T>

xdi2.core.util.iterators.SelectingIterator<T>

xdi2.core.util.iterators.NotNullIterator<T>

All Implemented Interfaces:

Iterable<T>, Iterator<T>

Direct Known Subclasses:

Digests.MappingXdiAttributeDigestIterator, Encryptions.MappingXdiAttributeEncryptionIterator, LinkContracts.MappingContextNodeLinkContractIterator, LinkContractTemplates.MappingContextNodeLinkContractTemplateIterator, MessageBase.MappingRelationConnectOperationIterator, MessageBase.MappingRelationDelOperationIterator, MessageBase.MappingRelationDoOperationIterator, MessageBase.MappingRelationGetOperationIterator, MessageBase.MappingRelationOperationIterator, MessageBase.MappingRelationPushOperationIterator, MessageBase.MappingRelationSendOperationIterator, MessageBase.MappingRelationSetOperationIterator, MessageCollection.MappingXdiEntityMessageIterator, MessageEnvelope.MappingXdiEntityCollectionMessageCollectionIterator, Operator.MappingRelationOperatorIterator, Policy.MappingXdiEntityPolicyAndIterator, Policy.MappingXdiEntityPolicyIterator, Policy.MappingXdiEntityPolicyNotIterator, Policy.MappingXdiEntityPolicyOrIterator, Policy.MappingXdiEntityPolicyRootIterator, Signatures.MappingXdiAttributeSignatureIterator, XdiAbstractAttribute.MappingContextNodeXdiAttributeIterator, XdiAbstractCollection.MappingContextNodeXdiCollectionIterator, XdiAbstractDefinition.MappingContextNodeXdiVariableIterator, XdiAbstractEntity.MappingContextNodeXdiEntityIterator, XdiAbstractInstance.MappingContextNodeXdiInstanceIterator, XdiAbstractInstanceOrdered.MappingContextNodeXdiInstanceOrderedIterator, XdiAbstractInstanceUnordered.MappingContextNodeXdiInstanceUnorderedIterator, XdiAbstractVariable.MappingContextNodeXdiVariableIterator, XdiAttributeCollection.MappingContextNodeXdiAttributeCollectionIterator, XdiAttributeInstanceOrdered.MappingContextNodeXdiAttributeInstanceOrderedIterator, XdiAttributeInstanceUnordered.MappingContextNodeXdiAttributeInstanceUnorderedIterator, XdiAttributeSingleton.MappingContextNodeXdiAttributeSingletonIterator, XdiEntityCollection.MappingContextNodeXdiEntityCollectionIterator, XdiEntityInstanceOrdered.MappingContextNodeXdiEntityInstanceOrderedIterator, XdiEntityInstanceUnordered.MappingContextNodeXdiEntityInstanceUnorderedIterator, XdiEntitySingleton.MappingContextNodeXdiEntitySingletonIterator, XdiInnerRoot.MappingContextNodeInnerRootIterator, XdiInnerRoot.MappingRelationInnerRootIterator, XdiPeerRoot.MappingContextNodePeerRootIterator

public class NotNullIterator<T>
extends SelectingIterator<T>

An iterator that returns only all non-null elements from another iterator.

Author:

markus

Field Summary

Fields inherited from class xdi2.core.util.iterators.SelectingIterator

iterator

Fields inherited from class xdi2.core.util.iterators.LookaheadIterator

hasNext, nextItem

Constructor Summary

Constructors

Constructor and Description
NotNullIterator(Iterator<T> iterator)

Method Summary

Modifier and Type	Method and Description
boolean	select(T item)

Methods inherited from class xdi2.core.util.iterators.SelectingIterator

lookahead

Methods inherited from class xdi2.core.util.iterators.LookaheadIterator

hasNext, next

Methods inherited from class xdi2.core.util.iterators.ReadOnlyIterator

remove

Methods inherited from class xdi2.core.util.iterators.IterableIterator

iterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

NotNullIterator

public NotNullIterator(Iterator<T> iterator)

Method Detail

select

public boolean select(T item)

Specified by:

select in class SelectingIterator<T>