Package com.github.difflib.patch

Class AbstractDelta<T>

java.lang.Object

com.github.difflib.patch.AbstractDelta<T>

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ChangeDelta, DeleteDelta, EqualDelta, InsertDelta

public abstract class AbstractDelta<T>
extends java.lang.Object
implements java.io.Serializable

Abstract delta between a source and a target.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private Chunk<T>	source
private Chunk<T>	target
private DeltaType	type

Constructor Summary

Constructors

Constructor	Description
AbstractDelta(DeltaType type, Chunk<T> source, Chunk<T> target)

Method Summary

Modifier and Type	Method	Description
protected void	applyFuzzyToAt(java.util.List<T> target, int fuzz, int position)	Apply patch fuzzy.
protected abstract void	applyTo(java.util.List<T> target)
boolean	equals(java.lang.Object obj)
Chunk<T>	getSource()
Chunk<T>	getTarget()
DeltaType	getType()
int	hashCode()
protected abstract void	restore(java.util.List<T> target)
protected VerifyChunk	verifyAntApplyTo(java.util.List<T> target)
protected VerifyChunk	verifyChunkToFitTarget(java.util.List<T> target)	Verify the chunk of this delta, to fit the target.
abstract AbstractDelta<T>	withChunks(Chunk<T> original, Chunk<T> revised)	Create a new delta of the actual instance with customized chunk data.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

source

private final Chunk<T> source

target

private final Chunk<T> target

type

private final DeltaType type

Constructor Detail

AbstractDelta

public AbstractDelta(DeltaType type,
                     Chunk<T> source,
                     Chunk<T> target)

Method Detail

getSource

public Chunk<T> getSource()

getTarget

public Chunk<T> getTarget()

getType

public DeltaType getType()

verifyChunkToFitTarget

protected VerifyChunk verifyChunkToFitTarget(java.util.List<T> target)
                                      throws PatchFailedException

Verify the chunk of this delta, to fit the target.

Parameters:

target -

Throws:

PatchFailedException

verifyAntApplyTo

protected VerifyChunk verifyAntApplyTo(java.util.List<T> target)
                                throws PatchFailedException

Throws:

PatchFailedException

applyTo

protected abstract void applyTo(java.util.List<T> target)
                         throws PatchFailedException

Throws:

PatchFailedException

restore

protected abstract void restore(java.util.List<T> target)

applyFuzzyToAt

protected void applyFuzzyToAt(java.util.List<T> target,
                              int fuzz,
                              int position)
                       throws PatchFailedException

Apply patch fuzzy.

Parameters:

target - the list this patch will be applied to

fuzz - the number of elements to ignore before/after the patched elements

position - the position this patch will be applied to. ignores source.getPosition()

Throws:

PatchFailedException

See Also:

Description of Fuzzy Patch for more information.

withChunks

public abstract AbstractDelta<T> withChunks(Chunk<T> original,
                                            Chunk<T> revised)

Create a new delta of the actual instance with customized chunk data.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object