com.bea.wli.config.component

Class ResourceView

java.lang.Object

com.bea.wli.config.component.ResourceView

public class ResourceView
extends java.lang.Object

Provides a view of resources for a particular session/core, and in- or out of transaction view.

Constructor Summary

Constructors

Constructor and Description
ResourceView(com.bea.wli.config.impl.ConfigServiceImpl configService, java.lang.String session, boolean outsideTransactionView) Constructor

Method Summary

Modifier and Type	Method and Description
ChangeDescriptor	getChangeDescriptor(ResourceView target, DiffEntry diff) Returns a change descriptors that describes the necessary change to go from this resource view to the target view.
java.util.List<ChangeDescriptor>	getChangeDescriptors(ResourceView target) Returns a list of change descriptors that describe the changes from this source to the target one.
com.bea.wli.config.component.impl.ReferenceMap	getCombinedDependencyGraphCopy()
java.util.List<DiffEntry>	getDiffs(ResourceView target, boolean resourcesOnly) REturns a list of DiffEntry objects that describe the changes that would have to be applied to this resource view in order to arrive at the target view
Snapshot<Digest>	getDigestSnapshot()
Metadata	getMetadata(Ref ref) Returns the metadata for a resource
com.bea.wli.config.component.impl.ReferenceMap	getParentChildMapCopy()
com.bea.wli.config.component.impl.ReferenceMap	getReferenceMapCopy()
SnapshotDelta<CanonicalResource,CanonicalDelta>	getSnapshotDelta(Snapshot<Digest> source) Returns the snapshot delta
java.lang.Object	getValue(Ref ref, boolean copy) Returns the value of a resource

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceView

public ResourceView(com.bea.wli.config.impl.ConfigServiceImpl configService,
                    java.lang.String session,
                    boolean outsideTransactionView)

Constructor

Parameters:

configService - the config service associated with this view

session - name of the session whose view will be constructed

outsideTransactionView - whether to return the view as seen outside the transaction.

Method Detail

getReferenceMapCopy

public com.bea.wli.config.component.impl.ReferenceMap getReferenceMapCopy()

getParentChildMapCopy

public com.bea.wli.config.component.impl.ReferenceMap getParentChildMapCopy()

getCombinedDependencyGraphCopy

public com.bea.wli.config.component.impl.ReferenceMap getCombinedDependencyGraphCopy()

getValue

public java.lang.Object getValue(Ref ref,
                                 boolean copy)
                          throws NotFoundException

Returns the value of a resource

Parameters:

ref - reference to the resource

copy - whether to return the copy

Returns:

the resource's value

Throws:

NotFoundException - if resource is not found

getMetadata

public Metadata getMetadata(Ref ref)
                     throws NotFoundException

Returns the metadata for a resource

Parameters:

ref - reference to the resource

Returns:

the component's metadata

Throws:

NotFoundException - if resource is not found

getDigestSnapshot

public Snapshot<Digest> getDigestSnapshot()
                                   throws java.lang.Exception

Throws:

java.lang.Exception

getSnapshotDelta

public SnapshotDelta<CanonicalResource,CanonicalDelta> getSnapshotDelta(Snapshot<Digest> source)
                                                                 throws java.lang.Exception

Returns the snapshot delta

Parameters:

source -

Returns:

Throws:

java.lang.Exception

getChangeDescriptors

public java.util.List<ChangeDescriptor> getChangeDescriptors(ResourceView target)
                                                      throws java.lang.Exception

Returns a list of change descriptors that describe the changes from this source to the target one. Creates a read only transaction if one does not exist already

Parameters:

target - the target resource view

Returns:

list of change descriptors

Throws:

java.lang.Exception - if error occurs getting change descriptors

getChangeDescriptor

public ChangeDescriptor getChangeDescriptor(ResourceView target,
                                            DiffEntry diff)
                                     throws java.lang.Exception

Returns a change descriptors that describes the necessary change to go from this resource view to the target view. Creates a read only transaction if one does not exist already

Parameters:

target - the target resource view

diff - the diff entry

Returns:

the change descriptor

Throws:

java.lang.Exception - if error occurs getting change descriptor

getDiffs

public java.util.List<DiffEntry> getDiffs(ResourceView target,
                                          boolean resourcesOnly)
                                   throws java.lang.Exception

REturns a list of DiffEntry objects that describe the changes that would have to be applied to this resource view in order to arrive at the target view

Parameters:

target -

resourcesOnly - whether to return only the changes related to resources

Returns:

Throws:

java.lang.Exception