org.axonframework.eventhandling.saga

Class AssociationValuesImpl

java.lang.Object

org.axonframework.eventhandling.saga.AssociationValuesImpl

All Implemented Interfaces:

Iterable<AssociationValue>, AssociationValues

public class AssociationValuesImpl
extends Object
implements AssociationValues

Default implementation of the AssociationValues interface. Note that this implementation is meant to be used by a single thread at a time.

Since:

0.7

Author:

Allard Buijze

Constructor Summary

Constructors

Constructor and Description
AssociationValuesImpl() Initializes a new AssociationValues object without initial associations.
AssociationValuesImpl(Set<AssociationValue> initialValues) Initializes a new AssociationValues object with given initial associations.

Method Summary

Modifier and Type	Method and Description
boolean	add(AssociationValue associationValue) Adds the given associationValue, if it has not been previously added.
Set<AssociationValue>	addedAssociations() Returns the Set of association values that have been added since the last AssociationValues.commit().
Set<AssociationValue>	asSet() Returns this instance as a Set of Association Values.
void	commit() Resets the tracked changes.
boolean	contains(AssociationValue associationValue) Indicates whether this instance contains the given associationValue.
Iterator<AssociationValue>	iterator()
boolean	remove(AssociationValue associationValue) Removes the given associationValue, if it is contained by this instance.
Set<AssociationValue>	removedAssociations() Returns the Set of association values that have been removed since the last AssociationValues.commit().
int	size() Returns the number of AssociationValue instances available in this container

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

AssociationValuesImpl

public AssociationValuesImpl()

Initializes a new AssociationValues object without initial associations.

AssociationValuesImpl

public AssociationValuesImpl(Set<AssociationValue> initialValues)

Initializes a new AssociationValues object with given initial associations.

Parameters:

initialValues - initial set of association values

Method Detail

size

public int size()

Description copied from interface: AssociationValues

Returns the number of AssociationValue instances available in this container

Specified by:

size in interface AssociationValues

Returns:

the number of AssociationValue instances available

contains

public boolean contains(AssociationValue associationValue)

Description copied from interface: AssociationValues

Indicates whether this instance contains the given associationValue.

Specified by:

contains in interface AssociationValues

Parameters:

associationValue - the association value to verify

Returns:

true if the association value is available in this instance, otherwise false

iterator

public Iterator<AssociationValue> iterator()

Specified by:

iterator in interface Iterable<AssociationValue>

add

public boolean add(AssociationValue associationValue)

Description copied from interface: AssociationValues

Adds the given associationValue, if it has not been previously added.

When added (method returns true), the given associationValue will be returned on the next call to AssociationValues.addedAssociations(), unless it has been removed after the last call to AssociationValues.removedAssociations().

Specified by:

add in interface AssociationValues

Parameters:

associationValue - The association value to add

Returns:

true if the value was added, false if it was already contained in this instance

remove

public boolean remove(AssociationValue associationValue)

Description copied from interface: AssociationValues

Removes the given associationValue, if it is contained by this instance.

When removed (method returns true), the given associationValue will be returned on the next call to AssociationValues.removedAssociations(), unless it has been added after the last call to AssociationValues.addedAssociations().

Specified by:

remove in interface AssociationValues

Parameters:

associationValue - The association value to remove

Returns:

true if the value was removed, false if it was not contained in this instance

asSet

public Set<AssociationValue> asSet()

Description copied from interface: AssociationValues

Returns this instance as a Set of Association Values. The returned set is a read-only view on this container. Any changes made to the container after this invocation may be reflected in the returned Set.

Specified by:

asSet in interface AssociationValues

Returns:

a read only view on the contents of this container

removedAssociations

public Set<AssociationValue> removedAssociations()

Description copied from interface: AssociationValues

Returns the Set of association values that have been removed since the last AssociationValues.commit().

If an association was added and then removed (or vice versa), without any calls to AssociationValues.commit() in between, it is not returned.

Specified by:

removedAssociations in interface AssociationValues

Returns:

the Set of association values removed since the last AssociationValues.commit().

addedAssociations

public Set<AssociationValue> addedAssociations()

Description copied from interface: AssociationValues

Returns the Set of association values that have been added since the last AssociationValues.commit().

If an association was added and then removed (or vice versa), without any calls to AssociationValues.commit() in between, it is not returned.

Specified by:

addedAssociations in interface AssociationValues

Returns:

the Set of association values added since the last AssociationValues.commit().

commit

public void commit()

Description copied from interface: AssociationValues

Resets the tracked changes.

Specified by:

commit in interface AssociationValues