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org.eclipse.core.databinding.observable.list
Class ListDiff
java.lang.Object
org.eclipse.core.databinding.observable.list.ListDiff
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All Implemented Interfaces:
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IDiff
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public abstract class ListDiff
- extends
Object
- implements
IDiff
Object describing a diff between two lists.
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Since:
- 1.0
Method Summary
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void
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accept
(
ListDiffVisitor visitor)
Traverses the
getDifferences() array, calling the appropriate
method in visitor for each difference. |
void
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applyTo
(
List list)
Applies the changes in this diff to the given list |
abstract
ListDiffEntry[]
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getDifferences
()
Returns a ListDiffEntry array representing the differences in the list,
in the order they are to be processed. |
boolean
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isEmpty
()
Returns true if the diff contains no added, removed, moved or replaced
elements. |
String
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toString
()
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ListDiff
public ListDiff()
getDifferences
public abstract
ListDiffEntry[] getDifferences()
- Returns a ListDiffEntry array representing the differences in the list,
in the order they are to be processed.
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-
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Returns:
- a ListDiffEntry array representing the differences in the list,
in the order they are to be processed.
accept
public void accept(
ListDiffVisitor visitor)
- Traverses the
getDifferences() array, calling the appropriate
method in visitor for each difference.
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ListDiffVisitor.handleReplace(int, Object, Object) is called
whenever an add entry is adjacent to a remove entry, and both entries
operate on the same location in the list.
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ListDiffVisitor.handleMove(int, int, Object) is called
whenever an add entry is adjacent to a remove entry, and both entries
have equivalent elements.
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ListDiffVisitor.handleRemove(int, Object) is called whenever
a remove entry does not match conditions 1 or 2.
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ListDiffVisitor.handleAdd(int, Object) is called whenever an
add entry does not match conditions in 1 or 2.
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Parameters:
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visitor - the visitor to receive callbacks. -
Since:
- 1.1
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See Also:
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ListDiffVisitor
isEmpty
public boolean isEmpty()
- Returns true if the diff contains no added, removed, moved or replaced
elements.
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Returns:
- true if the diff contains no added, removed, moved or replaced
elements.
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Since:
- 1.2
applyTo
public void applyTo(
List list)
- Applies the changes in this diff to the given list
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-
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Parameters:
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list - the list to which the diff will be applied -
Since:
- 1.2
toString
public
String toString()
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Overrides:
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toString
in class
Object
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See Also:
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Object.toString()
Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
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