uka.patch
Interface PatchInput

All Known Implementing Classes:

PatchReader

public interface PatchInput

Interface for reading patches in an abstract way and applying them to patchable objects.

Method Summary

void	applyPatchAnonymous(java.lang.Object r, java.lang.Object c)
boolean	getDiffAsBoolean()
byte	getDiffAsByte()
char	getDiffAsChar()
double	getDiffAsDouble()
float	getDiffAsFloat()
int	getDiffAsInt() Reads the updated value, if a patch record is available.
long	getDiffAsLong()
java.lang.Object	getDiffAsObject() Reads the updated reference value, if the last call to hasDiff() returned true.
short	getDiffAsShort()
int	getFromRank() Experimental low-level API.
UnmarshalStream	getInput() Experimental low-level API.
boolean	hasDiff() Checks whether there is a patch record available for the next instance variable.

Method Detail

hasDiff

public boolean hasDiff()
                throws java.io.IOException,
                       java.lang.ClassNotFoundException

Checks whether there is a patch record available for the next instance variable.

Throws:

java.io.IOException

java.lang.ClassNotFoundException

See Also:

Patchable.applyPatch(java.lang.Object, uka.patch.PatchInput)

getDiffAsBoolean

public boolean getDiffAsBoolean()
                         throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsByte

public byte getDiffAsByte()
                   throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsChar

public char getDiffAsChar()
                   throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsShort

public short getDiffAsShort()
                     throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsInt

public int getDiffAsInt()
                 throws java.io.IOException

Reads the updated value, if a patch record is available.

Throws:

java.io.IOException

See Also:

hasDiff(), Patchable.applyPatch(java.lang.Object, uka.patch.PatchInput)

getDiffAsFloat

public float getDiffAsFloat()
                     throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsLong

public long getDiffAsLong()
                   throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsDouble

public double getDiffAsDouble()
                       throws java.io.IOException

Throws:

java.io.IOException

See Also:

getDiffAsInt()

getDiffAsObject

public java.lang.Object getDiffAsObject()
                                 throws java.io.IOException,
                                        java.lang.ClassNotFoundException

Reads the updated reference value, if the last call to hasDiff() returned true. The returned object reference is assigned to the currently patched instance variable of the patchable object and the corresponding instance variable of its backup copy.

Throws:

java.io.IOException

java.lang.ClassNotFoundException

applyPatchAnonymous

public void applyPatchAnonymous(java.lang.Object r,
                                java.lang.Object c)
                         throws java.io.IOException,
                                java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

getInput

public UnmarshalStream getInput()
                         throws java.io.IOException

Experimental low-level API.

Returns:

the underlying stream for raw unmarshaling.

Throws:

java.io.IOException

getFromRank

public int getFromRank()
                throws java.io.IOException

Experimental low-level API.

Returns:

the rank that sent the corresponding patch.

Throws:

java.io.IOException