Package org.drools.core.rule

Class Declaration

java.lang.Object

org.drools.core.rule.Declaration

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, Acceptor, AcceptsReadAccessor, TupleValueExtractor

public class Declaration
extends Object
implements Externalizable, AcceptsReadAccessor, TupleValueExtractor

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
Declaration	clone()
Declaration	cloneWithPattern(Pattern pattern)
boolean	equals(Object object)
String	getBindingName()
boolean	getBooleanValue(ReteEvaluator reteEvaluator, Object object)
String	getBoxedTypeName()
byte	getByteValue(ReteEvaluator reteEvaluator, Object object)
char	getCharValue(ReteEvaluator reteEvaluator, Object object)
Class<?>	getDeclarationClass()
double	getDoubleValue(ReteEvaluator reteEvaluator, Object object)
InternalReadAccessor	getExtractor()	Returns the Extractor expression
float	getFloatValue(ReteEvaluator reteEvaluator, Object object)
int	getHashCode(ReteEvaluator reteEvaluator, Object object)
String	getIdentifier()	Retrieve the variable's identifier.
int	getIntValue(ReteEvaluator reteEvaluator, Object object)
long	getLongValue(ReteEvaluator reteEvaluator, Object object)
Method	getNativeReadMethod()
String	getNativeReadMethodName()
int	getObjectIndex()
Pattern	getPattern()	Returns the index of the pattern
short	getShortValue(ReteEvaluator reteEvaluator, Object object)
int	getTupleIndex()
String	getTypeName()
Object	getValue(ReteEvaluator reteEvaluator, Object object)
Object	getValue(ReteEvaluator reteEvaluator, InternalFactHandle fh)
Object	getValue(ReteEvaluator reteEvaluator, Tuple tuple)
ValueType	getValueType()	Retrieve the ValueType.
int	getxPathOffset()
int	hashCode()
boolean	isFromXpathChunk()
boolean	isGlobal()
boolean	isInternalFact()
boolean	isPatternDeclaration()	Returns true if this declaration is a pattern declaration
void	readExternal(ObjectInput in)
void	setBindingName(String bindingName)
void	setDeclarationClass(Class<?> declarationClass)
void	setPattern(Pattern pattern)
void	setReadAccessor(InternalReadAccessor readAccessor)
void	setxPathOffset(int xPathOffset)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.drools.core.spi.TupleValueExtractor

cloneWithPattern, getValue

Constructor Detail

Declaration

public Declaration()

Declaration

public Declaration(String identifier,
                   Pattern pattern)

Construct.

Parameters:

identifier - The name of the variable.

pattern - The pattern this variable is declared in

Declaration

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

Construct.

Parameters:

identifier - The name of the variable.

extractor - The extractor for this variable

pattern - The pattern this variable is declared in

Declaration

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

Construct.

Parameters:

identifier - The name of the variable.

identifier - The name of the variable.

extractor - The extractor for this variable

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

getIdentifier

public String getIdentifier()

Retrieve the variable's identifier.

Returns:

The variable's identifier.

getBindingName

public String getBindingName()

setBindingName

public void setBindingName(String bindingName)

getValueType

public ValueType getValueType()

Retrieve the ValueType.

Specified by:

getValueType in interface TupleValueExtractor

Returns:

The ValueType.

getPattern

public Pattern getPattern()

Returns the index of the pattern

Returns:

the pattern

setPattern

public void setPattern(Pattern pattern)

getObjectIndex

public int getObjectIndex()

getTupleIndex

public int getTupleIndex()

setxPathOffset

public void setxPathOffset(int xPathOffset)

getxPathOffset

public int getxPathOffset()

isFromXpathChunk

public boolean isFromXpathChunk()

isPatternDeclaration

public boolean isPatternDeclaration()

Returns true if this declaration is a pattern declaration

setReadAccessor

public void setReadAccessor(InternalReadAccessor readAccessor)

Specified by:

setReadAccessor in interface AcceptsReadAccessor

getExtractor

public InternalReadAccessor getExtractor()

Returns the Extractor expression

getDeclarationClass

public Class<?> getDeclarationClass()

setDeclarationClass

public void setDeclarationClass(Class<?> declarationClass)

getValue

public Object getValue(ReteEvaluator reteEvaluator,
                       Tuple tuple)

Specified by:

getValue in interface TupleValueExtractor

getValue

public Object getValue(ReteEvaluator reteEvaluator,
                       InternalFactHandle fh)

getValue

public Object getValue(ReteEvaluator reteEvaluator,
                       Object object)

getCharValue

public char getCharValue(ReteEvaluator reteEvaluator,
                         Object object)

getIntValue

public int getIntValue(ReteEvaluator reteEvaluator,
                       Object object)

getByteValue

public byte getByteValue(ReteEvaluator reteEvaluator,
                         Object object)

getShortValue

public short getShortValue(ReteEvaluator reteEvaluator,
                           Object object)

getLongValue

public long getLongValue(ReteEvaluator reteEvaluator,
                         Object object)

getFloatValue

public float getFloatValue(ReteEvaluator reteEvaluator,
                           Object object)

getDoubleValue

public double getDoubleValue(ReteEvaluator reteEvaluator,
                             Object object)

getBooleanValue

public boolean getBooleanValue(ReteEvaluator reteEvaluator,
                               Object object)

getHashCode

public int getHashCode(ReteEvaluator reteEvaluator,
                       Object object)

isGlobal

public boolean isGlobal()

getNativeReadMethod

public Method getNativeReadMethod()

getNativeReadMethodName

public String getNativeReadMethodName()

getTypeName

public String getTypeName()

getBoxedTypeName

public String getBoxedTypeName()

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 Declaration clone()

Specified by:

clone in interface TupleValueExtractor

Overrides:

clone in class Object

cloneWithPattern

public Declaration cloneWithPattern(Pattern pattern)