CDOChangeSetData (CDO API Specification)

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org.eclipse.emf.cdo.common.commit
Interface CDOChangeSetData

All Superinterfaces:: CDOChangeKindProvider

All Known Subinterfaces:: CDOChangeSet, CDOCommitData, CDOCommitInfo, CDOSessionInvalidationEvent

public interface CDOChangeSetData
extends CDOChangeKindProvider
extends CDOChangeKindProvider

Since:: 3.0
Author:: Eike Stepper
No Implement: This interface is not intended to be implemented by clients.
No Extend: This interface is not intended to be extended by clients.

Method Summary
`CDOChangeSetData`	`copy()` Returns a deep copy of this change set data.
`List<CDORevisionKey>`	`getChangedObjects()` Returns a collection of revision keys denoting which (original) revisions have been changed in the context of a commit operation.
`List<CDOIDAndVersion>`	`getDetachedObjects()` Returns a collection of keys denoting which revisions have been revised (corresponds to detached objects) in the context of a commit operation.
`List<CDOIDAndVersion>`	`getNewObjects()` Returns a collection of keys denoting which revisions have been added in the context of a commit operation.
`boolean`	`isEmpty()` Returns `true`, if this change set data does not contain any changes, `false` otherwise.
`void`	`merge(CDOChangeSetData changeSetData)` Changes the internal state of this change set data by adding the changes of the given change set data.

Methods inherited from interface org.eclipse.emf.cdo.common.commit.CDOChangeKindProvider
`getChangeKind`

Method Detail

isEmpty

boolean isEmpty()

Returns true, if this change set data does not contain any changes, false otherwise.

copy

CDOChangeSetData copy()

Returns a deep copy of this change set data.

Since:: 4.0

merge

void merge(CDOChangeSetData changeSetData)

Changes the internal state of this change set data by adding the changes of the given change set data.

Since:: 4.0

getNewObjects

List<CDOIDAndVersion> getNewObjects()

Returns a collection of keys denoting which revisions have been added in the context of a commit operation. Depending on various conditions like change subscriptions particular elements can also be full revisions.

getChangedObjects

List<CDORevisionKey> getChangedObjects()

Returns a collection of revision keys denoting which (original) revisions have been changed in the context of a commit operation. Depending on various conditions like change subscriptions particular elements can also be full revision deltas.

getDetachedObjects

List<CDOIDAndVersion> getDetachedObjects()

Returns a collection of keys denoting which revisions have been revised (corresponds to detached objects) in the context of a commit operation. Depending on various conditions the version part of particular elements can be unspecified.