org.apache.jackrabbit.spi.commons.batch

Class ConsolidatingChangeLog

java.lang.Object

org.apache.jackrabbit.spi.commons.batch.AbstractChangeLog<org.apache.jackrabbit.spi.commons.batch.ConsolidatingChangeLog.CancelableOperation>

org.apache.jackrabbit.spi.commons.batch.ConsolidatingChangeLog

All Implemented Interfaces:

Batch, ChangeLog

public class ConsolidatingChangeLog
extends AbstractChangeLog<org.apache.jackrabbit.spi.commons.batch.ConsolidatingChangeLog.CancelableOperation>

A ChangeLog implementation which does basic consolidation on its Operations. That is, cancelling operations are removed if possible. In general this is not possible across move operations. The individual CancelableOperation implementations document their behavior concerning cancellation.

Constructor Summary

Constructors

Constructor and Description
ConsolidatingChangeLog() Create a new instance of a consolidating change log.

Method Summary

Modifier and Type	Method and Description
void	addNode(NodeId parentId, Name nodeName, Name nodetypeName, java.lang.String uuid) Add a new node to the persistent layer.
void	addOperation(org.apache.jackrabbit.spi.commons.batch.ConsolidatingChangeLog.CancelableOperation op) Determines the cancellation behavior from the list of operations and the current operation op: When the current operation is cancelled by the last operation, the list of operations is not modified. When the current operation and the last operation cancel each other, the last operation is removed from the list of operations. When the last operation is cancelled by this operation, the last operation is removed from the list of operations and determination of cancellation starts from scratch. Otherwise add the current operation to the list of operations.
void	addProperty(NodeId parentId, Name propertyName, QValue value) Add a new property to the persistent layer.
void	addProperty(NodeId parentId, Name propertyName, QValue[] values) Add a new multi-valued property to the persistent layer.
void	move(NodeId srcNodeId, NodeId destParentNodeId, Name destName) Move the node identified by the given srcNodeId to the new parent identified by destParentNodeId and change its name to destName.
void	remove(ItemId itemId) Remove an existing item.
void	reorderNodes(NodeId parentId, NodeId srcNodeId, NodeId beforeNodeId) Modify the order of the child nodes identified by the given NodeIds.
void	setMixins(NodeId nodeId, Name[] mixinNodeTypeNames) Modify the set of mixin node types present on the node identified by the given id.
void	setPrimaryType(NodeId nodeId, Name primaryNodeTypeName) Change the primary type of the node identified by the given nodeId.
void	setTree(NodeId parentId, Tree contentTree) Add a new content tree to the persistent layer.
void	setValue(PropertyId propertyId, QValue value) Modify the value of an existing property.
void	setValue(PropertyId propertyId, QValue[] values) Modify the value of an existing, multi-valued property.

Methods inherited from class org.apache.jackrabbit.spi.commons.batch.AbstractChangeLog

apply, equals, equals, hashCode, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ConsolidatingChangeLog

public ConsolidatingChangeLog()

Create a new instance of a consolidating change log.

Method Detail

addNode

public void addNode(NodeId parentId,
                    Name nodeName,
                    Name nodetypeName,
                    java.lang.String uuid)
             throws RepositoryException

Description copied from interface: Batch

Add a new node to the persistent layer.

Parameters:

parentId - NodeId identifying the parent node.

nodeName - Name of the node to be created.

nodetypeName - Primary node type name of the node to be created.

uuid - Value for the jcr:uuid property of the node to be created or null. If due to an import the uuid of the resulting node is already defined, it must be passed as separate uuid parameter, indicating a binding value for the server. Otherwise the uuid must be null.

Throws:

RepositoryException

See Also:

javax.jcr.Node#addNode(String), javax.jcr.Node#addNode(String, String), javax.jcr.Session#importXML(String, java.io.InputStream, int), javax.jcr.query.Query#storeAsNode(String)

addProperty

public void addProperty(NodeId parentId,
                        Name propertyName,
                        QValue value)
                 throws RepositoryException

Description copied from interface: Batch

Add a new property to the persistent layer.

Note: this call should succeed in case the property already exists.

Parameters:

parentId - NodeId identifying the parent node.

propertyName - Name of the property to be created.

value - The value of the property to be created.

Throws:

RepositoryException

See Also:

javax.jcr.Node#setProperty(String, javax.jcr.Value), javax.jcr.Node#setProperty(String, javax.jcr.Value, int), javax.jcr.Node#setProperty(String, String), javax.jcr.Node#setProperty(String, String, int), javax.jcr.Node#setProperty(String, java.util.Calendar), javax.jcr.Node#setProperty(String, boolean), javax.jcr.Node#setProperty(String, double), javax.jcr.Node#setProperty(String, long), javax.jcr.Node#setProperty(String, javax.jcr.Node), javax.jcr.Session#importXML(String, java.io.InputStream, int), javax.jcr.query.Query#storeAsNode(String)

addProperty

public void addProperty(NodeId parentId,
                        Name propertyName,
                        QValue[] values)
                 throws RepositoryException

Description copied from interface: Batch

Add a new multi-valued property to the persistent layer.

Note: this call should succeed in case the property already exists.

Parameters:

parentId - NodeId identifying the parent node.

propertyName - Name of the property to be created.

values - The values of the property to be created.

Throws:

RepositoryException

See Also:

javax.jcr.Node#setProperty(String, javax.jcr.Value[]), javax.jcr.Node#setProperty(String, javax.jcr.Value[], int), javax.jcr.Node#setProperty(String, String[]), javax.jcr.Node#setProperty(String, String[], int), javax.jcr.Session#importXML(String, java.io.InputStream, int)

move

public void move(NodeId srcNodeId,
                 NodeId destParentNodeId,
                 Name destName)
          throws RepositoryException

Description copied from interface: Batch

Move the node identified by the given srcNodeId to the new parent identified by destParentNodeId and change its name to destName.

Parameters:

srcNodeId - NodeId identifying the node to be moved.

destParentNodeId - NodeId identifying the new parent.

destName - The new name of the moved node.

Throws:

RepositoryException

See Also:

javax.jcr.Session#move(String, String)

remove

public void remove(ItemId itemId)
            throws RepositoryException

Description copied from interface: Batch

Remove an existing item.

Parameters:

itemId - ItemId identifying the item to be removed.

Throws:

RepositoryException

See Also:

javax.jcr.Item#remove()

reorderNodes

public void reorderNodes(NodeId parentId,
                         NodeId srcNodeId,
                         NodeId beforeNodeId)
                  throws RepositoryException

Description copied from interface: Batch

Modify the order of the child nodes identified by the given NodeIds.

Parameters:

parentId - NodeId identifying the parent node.

srcNodeId - NodeId identifying the node to be reordered.

beforeNodeId - NodeId identifying the child node, before which the source node must be placed.

Throws:

RepositoryException

See Also:

javax.jcr.Node#orderBefore(String, String)

setMixins

public void setMixins(NodeId nodeId,
                      Name[] mixinNodeTypeNames)
               throws RepositoryException

Description copied from interface: Batch

Modify the set of mixin node types present on the node identified by the given id.

Parameters:

nodeId - NodeId identifying the node to be modified.

mixinNodeTypeNames - The new set of mixin types. Compared to the previous values this may result in both adding and/or removing mixin types.

Throws:

RepositoryException

See Also:

javax.jcr.Node#addMixin(String), javax.jcr.Node#removeMixin(String)

setPrimaryType

public void setPrimaryType(NodeId nodeId,
                           Name primaryNodeTypeName)
                    throws RepositoryException

Description copied from interface: Batch

Change the primary type of the node identified by the given nodeId.

Parameters:

nodeId - NodeId identifying the node to be modified.

Throws:

RepositoryException

See Also:

javax.jcr.Node#setPrimaryType(String)

setValue

public void setValue(PropertyId propertyId,
                     QValue value)
              throws RepositoryException

Description copied from interface: Batch

Modify the value of an existing property. Note that in contrast to the JCR API this method should not accept a null value. Removing a property is achieved by calling Batch.remove(ItemId).

Parameters:

propertyId - PropertyId identifying the property to be modified.

value - The new value.

Throws:

RepositoryException

See Also:

javax.jcr.Property#setValue(javax.jcr.Value), javax.jcr.Property#setValue(String), javax.jcr.Property#setValue(long), javax.jcr.Property#setValue(double), javax.jcr.Property#setValue(java.util.Calendar), javax.jcr.Property#setValue(boolean), javax.jcr.Property#setValue(javax.jcr.Node)

setValue

public void setValue(PropertyId propertyId,
                     QValue[] values)
              throws RepositoryException

Description copied from interface: Batch

Modify the value of an existing, multi-valued property. Note that in contrast to the JCR API this method should not accept a null value. Removing a property is achieved by calling Batch.remove(ItemId).

Parameters:

propertyId - PropertyId identifying the property to be modified.

values - The new values.

Throws:

RepositoryException

See Also:

javax.jcr.Property#setValue(javax.jcr.Value[]), javax.jcr.Property#setValue(String[])

setTree

public void setTree(NodeId parentId,
                    Tree contentTree)
             throws RepositoryException

Description copied from interface: Batch

Add a new content tree to the persistent layer.

Throws:

RepositoryException

addOperation

public void addOperation(org.apache.jackrabbit.spi.commons.batch.ConsolidatingChangeLog.CancelableOperation op)
                  throws RepositoryException

Determines the cancellation behavior from the list of operations and the current operation op:

• When the current operation is cancelled by the last operation, the list of operations is not modified.
• When the current operation and the last operation cancel each other, the last operation is removed from the list of operations.
• When the last operation is cancelled by this operation, the last operation is removed from the list of operations and determination of cancellation starts from scratch.
• Otherwise add the current operation to the list of operations.

Overrides:

addOperation in class AbstractChangeLog<org.apache.jackrabbit.spi.commons.batch.ConsolidatingChangeLog.CancelableOperation>

Parameters:

op - Operation to add

Throws:

RepositoryException