org.drools.rule
Class Declaration

java.lang.Object
  org.drools.rule.Declaration

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, Acceptor, AcceptsReadAccessor

public class Declaration
extends Object
implements Externalizable, AcceptsReadAccessor, Cloneable

See Also:

Serialized Form

Constructor Summary

Declaration()

Declaration(String identifier, InternalReadAccessor extractor, Pattern pattern)
Construct.

Declaration(String identifier, InternalReadAccessor extractor, Pattern pattern, boolean internalFact)
Construct.

Declaration(String identifier, Pattern pattern)
Construct.

Method Summary

Object	clone()
boolean	equals(Object object)
boolean	getBooleanValue(InternalWorkingMemory workingMemory, Object object)
byte	getByteValue(InternalWorkingMemory workingMemory, Object object)
char	getCharValue(InternalWorkingMemory workingMemory, Object object)
double	getDoubleValue(InternalWorkingMemory workingMemory, Object object)
InternalReadAccessor	getExtractor() Returns the Extractor expression
float	getFloatValue(InternalWorkingMemory workingMemory, Object object)
int	getHashCode(InternalWorkingMemory workingMemory, Object object)
String	getIdentifier() Retrieve the variable's identifier.
int	getIntValue(InternalWorkingMemory workingMemory, Object object)
long	getLongValue(InternalWorkingMemory workingMemory, Object object)
Method	getNativeReadMethod()
Pattern	getPattern() Returns the index of the pattern
short	getShortValue(InternalWorkingMemory workingMemory, Object object)
Object	getValue(InternalWorkingMemory workingMemory, Object object)
ValueType	getValueType() Retrieve the ValueType.
int	hashCode()
boolean	isGlobal()
boolean	isInternalFact()
boolean	isPatternDeclaration() Returns true if this declaration is a pattern declaration
void	readExternal(ObjectInput in)
void	setPattern(Pattern pattern)
void	setReadAccessor(InternalReadAccessor readAccessor)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Declaration

public Declaration()

Declaration

public Declaration(String identifier,
                   Pattern pattern)

Construct.

Parameters:

identifier - The name of the variable.

objectType - The type of this variable declaration.

order - The index within a rule.

Declaration

public Declaration(String identifier,
                   InternalReadAccessor extractor,
                   Pattern pattern)

Construct.

Parameters:

identifier - The name of the variable.

objectType - The type of this variable declaration.

order - The index within a rule.

Declaration

public Declaration(String identifier,
                   InternalReadAccessor extractor,
                   Pattern pattern,
                   boolean internalFact)

Construct.

Parameters:

identifier - The name of the variable.

objectType - The type of this variable declaration.

order - The index within a rule.

internalFact - True if this is an internal fact created by the engine, like a collection result of a collect CE

Method Detail

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

setReadAccessor

public void setReadAccessor(InternalReadAccessor readAccessor)

Specified by:

setReadAccessor in interface AcceptsReadAccessor

getIdentifier

public String getIdentifier()

Retrieve the variable's identifier.

Returns:

The variable's identifier.

getValueType

public ValueType getValueType()

Retrieve the ValueType.

Returns:

The ValueType.

getPattern

public Pattern getPattern()

Returns the index of the pattern

Returns:

the pattern

setPattern

public void setPattern(Pattern pattern)

isPatternDeclaration

public boolean isPatternDeclaration()

Returns true if this declaration is a pattern declaration

Returns:

getExtractor

public InternalReadAccessor getExtractor()

Returns the Extractor expression

Returns:

getValue

public Object getValue(InternalWorkingMemory workingMemory,
                       Object object)

getCharValue

public char getCharValue(InternalWorkingMemory workingMemory,
                         Object object)

getIntValue

public int getIntValue(InternalWorkingMemory workingMemory,
                       Object object)

getByteValue

public byte getByteValue(InternalWorkingMemory workingMemory,
                         Object object)

getShortValue

public short getShortValue(InternalWorkingMemory workingMemory,
                           Object object)

getLongValue

public long getLongValue(InternalWorkingMemory workingMemory,
                         Object object)

getFloatValue

public float getFloatValue(InternalWorkingMemory workingMemory,
                           Object object)

getDoubleValue

public double getDoubleValue(InternalWorkingMemory workingMemory,
                             Object object)

getBooleanValue

public boolean getBooleanValue(InternalWorkingMemory workingMemory,
                               Object object)

getHashCode

public int getHashCode(InternalWorkingMemory workingMemory,
                       Object object)

isGlobal

public boolean isGlobal()

getNativeReadMethod

public Method getNativeReadMethod()

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

isInternalFact

public boolean isInternalFact()

clone

public Object clone()

Overrides:

clone in class Object