Package org.apache.cayenne.graph
Class CompoundDiff
- java.lang.Object
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- org.apache.cayenne.graph.CompoundDiff
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- All Implemented Interfaces:
Serializable,GraphDiff
public class CompoundDiff extends Object implements GraphDiff
A GraphDiff that is a list of other GraphDiffs.- Since:
- 1.2
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description CompoundDiff()Creates an empty CompoundDiff instance.CompoundDiff(List<GraphDiff> diffs)Creates CompoundDiff instance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidadd(GraphDiff diff)voidaddAll(Collection<? extends GraphDiff> diffs)voidapply(GraphChangeHandler tracker)Iterates over diffs list, calling "apply" on each individual diff.List<GraphDiff>getDiffs()booleanisNoop()Returns true if this diff has no other diffs or if all of its diffs are noops.voidundo(GraphChangeHandler tracker)Iterates over diffs list in reverse order, calling "apply" on each individual diff.
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Method Detail
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isNoop
public boolean isNoop()
Returns true if this diff has no other diffs or if all of its diffs are noops.
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add
public void add(GraphDiff diff)
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addAll
public void addAll(Collection<? extends GraphDiff> diffs)
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apply
public void apply(GraphChangeHandler tracker)
Iterates over diffs list, calling "apply" on each individual diff.
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undo
public void undo(GraphChangeHandler tracker)
Iterates over diffs list in reverse order, calling "apply" on each individual diff.
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