Package com.tonic.analysis.fingerprint

Class MethodFingerprint

java.lang.Object

com.tonic.analysis.fingerprint.MethodFingerprint

public class MethodFingerprint
extends Object

A method's identity fingerprint: three feature levels with precomputed hashes and an availability mask.

Constructor Summary

Constructors

Constructor	Description
MethodFingerprint(String methodId, Level0Features l0, Level1Features l1, Level2Features l2)	Creates a fingerprint and precomputes the hash of each valid level.

Method Summary

Modifier and Type	Method	Description
int	getAvailableLevelsCount()
int	getAvailableLevelsMask()
byte[]	getHash(FingerprintLevel level)
Level0Features	getLevel0()
Level1Features	getLevel1()
Level2Features	getLevel2()
String	getMethodId()
boolean	hasLevel(FingerprintLevel level)
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MethodFingerprint

public MethodFingerprint(String methodId,
                         Level0Features l0,
                         Level1Features l1,
                         Level2Features l2)

Creates a fingerprint and precomputes the hash of each valid level.

Parameters:

methodId - the identifier of the fingerprinted method

l0 - the ultra-stable features, may be null

l1 - the stable features, may be null

l2 - the detailed features, may be null

Method Detail

getHash

public byte[] getHash(FingerprintLevel level)

Parameters:

level - the fingerprint level to read

Returns:

the precomputed hash for that level, or null if the level is unavailable

hasLevel

public boolean hasLevel(FingerprintLevel level)

Parameters:

level - the fingerprint level to test

Returns:

true if a hash was computed for that level

getMethodId

public String getMethodId()

Returns:

the method id

getLevel0

public Level0Features getLevel0()

Returns:

the level0

getLevel1

public Level1Features getLevel1()

Returns:

the level1

getLevel2

public Level2Features getLevel2()

Returns:

the level2

getAvailableLevelsMask

public int getAvailableLevelsMask()

Returns:

the available levels mask

getAvailableLevelsCount

public int getAvailableLevelsCount()

Returns:

the number of levels with valid features

toString

public String toString()

Overrides:

toString in class Object