org.apache.jackrabbit.oak.plugins.document

Class UpdateOp

java.lang.Object

org.apache.jackrabbit.oak.plugins.document.UpdateOp

public final class UpdateOp
extends Object

A DocumentStore "update" operation for one document.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UpdateOp.Condition A condition to check before an update is applied.
static class	UpdateOp.Key A key for an operation consists of a property name and an optional revision.
static class	UpdateOp.Operation A DocumentStore operation for a given key within a document.

Constructor Summary

Constructors

Constructor and Description
UpdateOp(String id, boolean isNew) Create an update operation for the document with the given id.

Method Summary

Modifier and Type	Method and Description
UpdateOp	copy() Creates a deep copy of this update operation.
Map<UpdateOp.Key,UpdateOp.Operation>	getChanges()
Map<UpdateOp.Key,UpdateOp.Condition>	getConditions()
String	getId()
UpdateOp	getReverseOperation()
boolean	hasChanges() Checks if the UpdateOp has any change operation is registered with current update operation
void	increment(String property, long value) Increment the value.
boolean	isNew()
void	remove(String property) Remove a property.
void	removeMapEntry(String property, Revision revision) Remove a map entry.
void	set(String property, boolean value) Set the property to the given boolean value.
void	set(String property, long value) Set the property to the given long value.
void	set(String property, String value) Set the property to the given String value.
void	setNew(boolean isNew)
UpdateOp	shallowCopy(String id) Creates an update operation for the document with the given id.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

UpdateOp

public UpdateOp(@Nonnull
                String id,
                boolean isNew)

Create an update operation for the document with the given id. The commit root is assumed to be the path, unless this is changed later on.

Parameters:

id - the primary key

isNew - whether this is a new document

Method Detail

shallowCopy

public UpdateOp shallowCopy(String id)

Creates an update operation for the document with the given id. The changes are shared with the this update operation.

Parameters:

id - the primary key.

copy

public UpdateOp copy()

Creates a deep copy of this update operation. Changes to the returned UpdateOp do not affect this object.

Returns:

a copy of this operation.

getId

@Nonnull
public String getId()

isNew

public boolean isNew()

setNew

public void setNew(boolean isNew)

getChanges

public Map<UpdateOp.Key,UpdateOp.Operation> getChanges()

getConditions

public Map<UpdateOp.Key,UpdateOp.Condition> getConditions()

hasChanges

public boolean hasChanges()

Checks if the UpdateOp has any change operation is registered with current update operation

Returns:

true if any change operation is created

remove

public void remove(@Nonnull
                   String property)

Remove a property.

Parameters:

property - the property name

removeMapEntry

public void removeMapEntry(@Nonnull
                           String property,
                           @Nonnull
                           Revision revision)

Remove a map entry. The property is a map of revisions / values.

Parameters:

property - the property

revision - the revision

set

public void set(String property,
                long value)

Set the property to the given long value.

Parameters:

property - the property name

value - the value

set

public void set(String property,
                boolean value)

Set the property to the given boolean value.

Parameters:

property - the property name

value - the value

set

public void set(String property,
                String value)

Set the property to the given String value.

Note that Document.ID must not be set using this method; it is sufficiently specified by the id parameter set in the constructor.

Parameters:

property - the property name

value - the value

Throws:

IllegalArgumentException - if an attempt is made to set Document.ID.

increment

public void increment(@Nonnull
                      String property,
                      long value)

Increment the value.

Parameters:

property - the key

value - the increment

getReverseOperation

public UpdateOp getReverseOperation()

toString

public String toString()

Overrides:

toString in class Object