Package org.aspectj.org.eclipse.jdt.internal.core

Class JavaElementDelta

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.core.SimpleDelta

org.aspectj.org.eclipse.jdt.internal.core.JavaElementDelta

All Implemented Interfaces:

IJavaElementDelta

public class JavaElementDelta
extends SimpleDelta
implements IJavaElementDelta

See Also:

• IJavaElementDelta

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	JavaElementDelta.Key	The delta key

Field Summary

Fields

Modifier and Type	Field	Description
boolean	ignoreFromTests

Fields inherited from class org.aspectj.org.eclipse.jdt.internal.core.SimpleDelta

changeFlags, kind

Fields inherited from interface org.aspectj.org.eclipse.jdt.core.IJavaElementDelta

ADDED, CHANGED, F_ADDED_TO_CLASSPATH, F_ANNOTATIONS, F_ARCHIVE_CONTENT_CHANGED, F_AST_AFFECTED, F_CATEGORIES, F_CHILDREN, F_CLASSPATH_ATTRIBUTES, F_CLASSPATH_CHANGED, F_CLASSPATH_REORDER, F_CLOSED, F_CONTENT, F_FINE_GRAINED, F_MODIFIERS, F_MOVED_FROM, F_MOVED_TO, F_OPENED, F_PRIMARY_RESOURCE, F_PRIMARY_WORKING_COPY, F_REMOVED_FROM_CLASSPATH, F_REORDER, F_RESOLVED_CLASSPATH_CHANGED, F_SOURCEATTACHED, F_SOURCEDETACHED, F_SUPER_TYPES, REMOVED

Constructor Summary

Constructors

Constructor	Description
JavaElementDelta(IJavaElement element)	Creates the root delta.

Method Summary

Modifier and Type	Method	Description
protected void	addAffectedChild(JavaElementDelta child)	Adds the child delta to the collection of affected children.
void	added(IJavaElement element)	Creates the nested deltas resulting from an add operation.
void	added(IJavaElement element, int flags)
protected void	addNewChild(JavaElementDelta child)	Adds the new child delta to the collection of affected children.
protected void	addResourceDelta(org.eclipse.core.resources.IResourceDelta child)	Adds the child delta to the collection of affected children.
JavaElementDelta	changed(IJavaElement element, int changeFlag)	Creates the nested deltas resulting from a change operation.
void	changedAST(CompilationUnit changedAST)
protected void	clearAffectedChildren()	Clears the collection of affected children.
void	closed(IJavaElement element)	Creates the nested deltas for a closed element.
void	contentChanged()	Mark this delta as a content changed delta.
protected JavaElementDelta	createDeltaTree(IJavaElement element, JavaElementDelta delta)	Creates the nested delta deltas based on the affected element its delta, and the root of this delta tree.
protected static boolean	equalsAndSameParent(IJavaElement e1, IJavaElement e2)	Returns whether the two java elements are equals and have the same parent.
protected JavaElementDelta	find(IJavaElement e)	Returns the JavaElementDelta for the given element in the delta tree, or null, if no delta for the given element is found.
protected JavaElementDelta	findDescendant(JavaElementDelta.Key key)	Returns the descendant delta for the given key, or null, if no delta for the given key is found in the delta tree below this delta.
void	fineGrained()	Mark this delta as a fine-grained delta.
IJavaElementDelta[]	getAddedChildren()	Returns deltas for the children that have been added.
IJavaElementDelta[]	getAffectedChildren()	Returns deltas for the affected (added, removed, or changed) children.
IJavaElementDelta[]	getAnnotationDeltas()	Returns deltas for affected annotations (added, removed, or changed).
IJavaElementDelta[]	getChangedChildren()	Returns deltas for the children which have changed.
protected Integer	getChildIndex(JavaElementDelta.Key key)	Returns the index of the delta in the collection of affected children, or null if the child delta for the given key is not found.
protected IJavaElementDelta[]	getChildrenOfType(int type)
IClasspathAttributeDelta[]	getClasspathAttributeDeltas()	Returns deltas for affected attributes (added, removed, or changed).
CompilationUnit	getCompilationUnitAST()	Returns the compilation unit AST created by the last reconcile operation on this delta's element.
protected JavaElementDelta	getDeltaFor(IJavaElement element)	Returns the delta for a given element.
IJavaElement	getElement()	Returns the element that this delta describes a change to.
IJavaElement	getMovedFromElement()	Returns an element describing this element before it was moved to its current location, or null if the IJavaElementDelta.F_MOVED_FROM change flag is not set.
IJavaElement	getMovedToElement()	Returns an element describing this element in its new location, or null if the IJavaElementDelta.F_MOVED_TO change flag is not set.
IJavaElementDelta[]	getRemovedChildren()	Returns deltas for the children which have been removed.
org.eclipse.core.resources.IResourceDelta[]	getResourceDeltas()	Return the collection of resource deltas.
protected IJavaElementDelta[]	growAndAddToArray(IJavaElementDelta[] array, IJavaElementDelta addition)	Adds the new element to a new array that contains all of the elements of the old array.
protected void	insertDeltaTree(IJavaElement element, JavaElementDelta delta)	Creates the delta tree for the given element and delta, and then inserts the tree as an affected child of this node.
void	movedFrom(IJavaElement movedFromElement, IJavaElement movedToElement)	Creates the nested deltas resulting from an move operation.
void	movedTo(IJavaElement movedToElement, IJavaElement movedFromElement)	Creates the nested deltas resulting from an move operation.
void	opened(IJavaElement element)	Creates the nested deltas for an opened element.
protected void	removeAffectedChild(JavaElementDelta child)	Removes the child delta from the collection of affected children.
protected IJavaElementDelta[]	removeAndShrinkArray(IJavaElementDelta[] old, int index)	Removes the element from the array.
void	removed(IJavaElement element)	Creates the nested deltas resulting from an delete operation.
void	removed(IJavaElement element, int flags)
protected void	removeExistingChild(JavaElementDelta.Key key, int index)	Removes the existing child delta from the collection of affected children.
void	sourceAttached(IJavaElement element)	Creates the nested deltas resulting from a change operation.
void	sourceDetached(IJavaElement element)	Creates the nested deltas resulting from a change operation.
String	toDebugString(int depth)	Returns a string representation of this delta's structure suitable for debug purposes.
protected boolean	toDebugString(StringBuilder buffer, int flags)
String	toString()	Returns a string representation of this delta's structure suitable for debug purposes.

Methods inherited from class org.aspectj.org.eclipse.jdt.internal.core.SimpleDelta

added, changed, getFlags, getKind, modifiers, removed, superTypes, toDebugString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.aspectj.org.eclipse.jdt.core.IJavaElementDelta

getFlags, getKind

Field Details

ignoreFromTests

public boolean ignoreFromTests

Constructor Details

JavaElementDelta

public JavaElementDelta(IJavaElement element)

Creates the root delta. To create the nested delta hierarchies use the following convenience methods. The root delta can be created at any level (for example: project, package root, package fragment...).

• added(IJavaElement)
• changed(IJavaElement)
• moved(IJavaElement, IJavaElement)
• removed(IJavaElement)
• renamed(IJavaElement, IJavaElement)

Method Details

addAffectedChild

protected void addAffectedChild(JavaElementDelta child)

Adds the child delta to the collection of affected children. If the child is already in the collection, walk down the hierarchy.

added

public void added(IJavaElement element)

Creates the nested deltas resulting from an add operation. Convenience method for creating add deltas. The constructor should be used to create the root delta and then an add operation should call this method.

added

public void added(IJavaElement element,
 int flags)

addNewChild

protected void addNewChild(JavaElementDelta child)

Adds the new child delta to the collection of affected children.

addResourceDelta

protected void addResourceDelta(org.eclipse.core.resources.IResourceDelta child)

Adds the child delta to the collection of affected children. If the child is already in the collection, walk down the hierarchy.

changed

public JavaElementDelta changed(IJavaElement element,
 int changeFlag)

Creates the nested deltas resulting from a change operation. Convenience method for creating change deltas. The constructor should be used to create the root delta and then a change operation should call this method.

changedAST

public void changedAST(CompilationUnit changedAST)

clearAffectedChildren

protected void clearAffectedChildren()

Clears the collection of affected children.

contentChanged

public void contentChanged()

Mark this delta as a content changed delta.

closed

public void closed(IJavaElement element)

Creates the nested deltas for a closed element.

createDeltaTree

protected JavaElementDelta createDeltaTree(IJavaElement element,
 JavaElementDelta delta)

Creates the nested delta deltas based on the affected element its delta, and the root of this delta tree. Returns the root of the created delta tree.

equalsAndSameParent

protected static boolean equalsAndSameParent(IJavaElement e1,
 IJavaElement e2)

Returns whether the two java elements are equals and have the same parent.

find

protected JavaElementDelta find(IJavaElement e)

Returns the JavaElementDelta for the given element in the delta tree, or null, if no delta for the given element is found.

findDescendant

protected JavaElementDelta findDescendant(JavaElementDelta.Key key)

Returns the descendant delta for the given key, or null, if no delta for the given key is found in the delta tree below this delta.

fineGrained

public void fineGrained()

Mark this delta as a fine-grained delta.

getAddedChildren

public IJavaElementDelta[] getAddedChildren()

Description copied from interface: IJavaElementDelta

Returns deltas for the children that have been added.

Specified by:

getAddedChildren in interface IJavaElementDelta

Returns:

deltas for the children that have been added

See Also:

• IJavaElementDelta

getAffectedChildren

public IJavaElementDelta[] getAffectedChildren()

Description copied from interface: IJavaElementDelta

Returns deltas for the affected (added, removed, or changed) children.

Specified by:

getAffectedChildren in interface IJavaElementDelta

Returns:

deltas for the affected (added, removed, or changed) children

See Also:

• IJavaElementDelta

getCompilationUnitAST

public CompilationUnit getCompilationUnitAST()

Description copied from interface: IJavaElementDelta

Returns the compilation unit AST created by the last reconcile operation on this delta's element. This returns a non-null value if and only if:

• the last reconcile operation on this working copy requested an AST
• this delta's element is an ICompilationUnit in working copy mode
• the delta comes from a ElementChangedEvent.POST_RECONCILE event

Specified by:

getCompilationUnitAST in interface IJavaElementDelta

Returns:

the AST created during the last reconcile operation

See Also:

• ICompilationUnit.reconcile(int, boolean, WorkingCopyOwner, org.eclipse.core.runtime.IProgressMonitor)
• IJavaElementDelta.F_AST_AFFECTED

getAnnotationDeltas

public IJavaElementDelta[] getAnnotationDeltas()

Description copied from interface: IJavaElementDelta

Returns deltas for affected annotations (added, removed, or changed). Returns an empty array if no annotations was affected, or if this delta's element is not an IAnnotatable.

Specified by:

getAnnotationDeltas in interface IJavaElementDelta

Returns:

deltas for affected annotations (added, removed, or changed)

getChangedChildren

public IJavaElementDelta[] getChangedChildren()

Description copied from interface: IJavaElementDelta

Returns deltas for the children which have changed.

Specified by:

getChangedChildren in interface IJavaElementDelta

Returns:

deltas for the children which have changed

See Also:

• IJavaElementDelta

getChildIndex

protected Integer getChildIndex(JavaElementDelta.Key key)

Returns the index of the delta in the collection of affected children, or null if the child delta for the given key is not found.

getChildrenOfType

protected IJavaElementDelta[] getChildrenOfType(int type)

See Also:

• IJavaElementDelta

getDeltaFor

protected JavaElementDelta getDeltaFor(IJavaElement element)

Returns the delta for a given element. Only looks below this delta.

getElement

public IJavaElement getElement()

Description copied from interface: IJavaElementDelta

Returns the element that this delta describes a change to.

Specified by:

getElement in interface IJavaElementDelta

Returns:

the element that this delta describes a change to

See Also:

• IJavaElementDelta

getMovedFromElement

public IJavaElement getMovedFromElement()

Description copied from interface: IJavaElementDelta

Returns an element describing this element before it was moved to its current location, or null if the IJavaElementDelta.F_MOVED_FROM change flag is not set.

Specified by:

getMovedFromElement in interface IJavaElementDelta

Returns:

an element describing this element before it was moved to its current location, or null if the IJavaElementDelta.F_MOVED_FROM change flag is not set

See Also:

• IJavaElementDelta

getMovedToElement

public IJavaElement getMovedToElement()

Description copied from interface: IJavaElementDelta

Returns an element describing this element in its new location, or null if the IJavaElementDelta.F_MOVED_TO change flag is not set.

Specified by:

getMovedToElement in interface IJavaElementDelta

Returns:

an element describing this element in its new location, or null if the IJavaElementDelta.F_MOVED_TO change flag is not set

See Also:

• IJavaElementDelta

getRemovedChildren

public IJavaElementDelta[] getRemovedChildren()

Description copied from interface: IJavaElementDelta

Returns deltas for the children which have been removed.

Specified by:

getRemovedChildren in interface IJavaElementDelta

Returns:

deltas for the children which have been removed

See Also:

• IJavaElementDelta

getResourceDeltas

public org.eclipse.core.resources.IResourceDelta[] getResourceDeltas()

Return the collection of resource deltas. Return null if none.

Specified by:

getResourceDeltas in interface IJavaElementDelta

Returns:

the underlying resource deltas, or null if none

growAndAddToArray

protected IJavaElementDelta[] growAndAddToArray(IJavaElementDelta[] array,
 IJavaElementDelta addition)

Adds the new element to a new array that contains all of the elements of the old array. Returns the new array.

insertDeltaTree

protected void insertDeltaTree(IJavaElement element,
 JavaElementDelta delta)

Creates the delta tree for the given element and delta, and then inserts the tree as an affected child of this node.

movedFrom

public void movedFrom(IJavaElement movedFromElement,
 IJavaElement movedToElement)

Creates the nested deltas resulting from an move operation. Convenience method for creating the "move from" delta. The constructor should be used to create the root delta and then the move operation should call this method.

movedTo

public void movedTo(IJavaElement movedToElement,
 IJavaElement movedFromElement)

Creates the nested deltas resulting from an move operation. Convenience method for creating the "move to" delta. The constructor should be used to create the root delta and then the move operation should call this method.

opened

public void opened(IJavaElement element)

Creates the nested deltas for an opened element.

removeAffectedChild

protected void removeAffectedChild(JavaElementDelta child)

Removes the child delta from the collection of affected children.

removeAndShrinkArray

protected IJavaElementDelta[] removeAndShrinkArray(IJavaElementDelta[] old,
 int index)

Removes the element from the array. Returns the a new array which has shrunk.

removed

public void removed(IJavaElement element)

Creates the nested deltas resulting from an delete operation. Convenience method for creating removed deltas. The constructor should be used to create the root delta and then the delete operation should call this method.

removed

public void removed(IJavaElement element,
 int flags)

removeExistingChild

protected void removeExistingChild(JavaElementDelta.Key key,
 int index)

Removes the existing child delta from the collection of affected children.

sourceAttached

public void sourceAttached(IJavaElement element)

Creates the nested deltas resulting from a change operation. Convenience method for creating change deltas. The constructor should be used to create the root delta and then a change operation should call this method.

sourceDetached

public void sourceDetached(IJavaElement element)

Creates the nested deltas resulting from a change operation. Convenience method for creating change deltas. The constructor should be used to create the root delta and then a change operation should call this method.

toDebugString

public String toDebugString(int depth)

Returns a string representation of this delta's structure suitable for debug purposes.

See Also:

• toString()

toDebugString

protected boolean toDebugString(StringBuilder buffer,
 int flags)

Overrides:

toDebugString in class SimpleDelta

toString

public String toString()

Returns a string representation of this delta's structure suitable for debug purposes.

Overrides:

toString in class SimpleDelta

getClasspathAttributeDeltas

public IClasspathAttributeDelta[] getClasspathAttributeDeltas()

Description copied from interface: IJavaElementDelta

Returns deltas for affected attributes (added, removed, or changed). Returns an empty array if no attribute was affected, or if this delta's element is not for an affected IClasspathEntry.

Specified by:

getClasspathAttributeDeltas in interface IJavaElementDelta

Returns:

deltas for affected attributes (added, removed, or changed)