org.drools.core.rule
Class Pattern

java.lang.Object
  org.drools.core.rule.Pattern

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, RuleConditionElement, Acceptor, AcceptsClassObjectType, RuleComponent

public class Pattern
extends Object
implements RuleConditionElement, AcceptsClassObjectType, Externalizable

See Also:

Serialized Form

Field Summary

static String

ATTR_LISTENED_PROPS

Constructor Summary

Pattern()

Pattern(int index, int offset, ObjectType objectType, String identifier)

Pattern(int index, int offset, ObjectType objectType, String identifier, boolean isInternalFact)

Pattern(int index, ObjectType objectType)

Pattern(int index, ObjectType objectType, String identifier)

Method Summary

void	addBehavior(Behavior behavior)
void	addConstraint(Constraint constraint)
void	addDeclaration(Declaration decl)
Declaration	addDeclaration(String identifier)
Pattern	clone() Returns a clone from itself
boolean	equals(Object object)
Map<String,AnnotationDefinition>	getAnnotations()
List<Behavior>	getBehaviors()
List<MvelConstraint>	getCombinableConstraints()
List<Constraint>	getConstraints()
Declaration	getDeclaration()
Declaration	getDeclaration(String identifier)
int	getIndex()
Map<String,Declaration>	getInnerDeclarations() Returns a Map of declarations that are visible inside this conditional element
List<String>	getListenedProperties()
List	getNestedElements() Returs a list of RuleConditionElement's that are nested inside the current element
ObjectType	getObjectType()
int	getOffset() The offset of the fact related to this pattern inside the tuple
Map<String,Declaration>	getOuterDeclarations() Returns a Map of declarations that are visible outside this conditional element.
static InternalReadAccessor	getReadAcessor(ObjectType objectType)
Declaration[]	getRequiredDeclarations()
PatternSource	getSource()
int	hashCode()
boolean	isBound()
boolean	isPatternScopeDelimiter() Returns true in case this RuleConditionElement delimits a pattern visibility scope.
void	readExternal(ObjectInput in)
void	removeConstraint(Constraint constraint)
Declaration	resolveDeclaration(String identifier) Resolves the given identifier in the current scope and returns the Declaration object for the declaration.
void	setAnnotations(Map<String,AnnotationDefinition> annotations)
void	setBehaviors(List<Behavior> behaviors)
void	setClassObjectType(ClassObjectType objectType)
void	setListenedProperties(List<String> listenedProperties)
void	setObjectType(ObjectType objectType)
void	setOffset(int offset)
void	setSource(PatternSource source)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

ATTR_LISTENED_PROPS

public static final String ATTR_LISTENED_PROPS

See Also:

Constant Field Values

Constructor Detail

Pattern

public Pattern()

Pattern

public Pattern(int index,
               ObjectType objectType)

Pattern

public Pattern(int index,
               ObjectType objectType,
               String identifier)

Pattern

public Pattern(int index,
               int offset,
               ObjectType objectType,
               String identifier)

Pattern

public Pattern(int index,
               int offset,
               ObjectType objectType,
               String identifier,
               boolean isInternalFact)

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

getReadAcessor

public static InternalReadAccessor getReadAcessor(ObjectType objectType)

setClassObjectType

public void setClassObjectType(ClassObjectType objectType)

Specified by:

setClassObjectType in interface AcceptsClassObjectType

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

clone

public Pattern clone()

Description copied from interface: RuleConditionElement

Returns a clone from itself

Specified by:

clone in interface RuleConditionElement

Overrides:

clone in class Object

Returns:

getObjectType

public ObjectType getObjectType()

setObjectType

public void setObjectType(ObjectType objectType)

getSource

public PatternSource getSource()

setSource

public void setSource(PatternSource source)

getConstraints

public List<Constraint> getConstraints()

addConstraint

public void addConstraint(Constraint constraint)

removeConstraint

public void removeConstraint(Constraint constraint)

getCombinableConstraints

public List<MvelConstraint> getCombinableConstraints()

addDeclaration

public Declaration addDeclaration(String identifier)

addDeclaration

public void addDeclaration(Declaration decl)

isBound

public boolean isBound()

getDeclaration

public Declaration getDeclaration()

getDeclaration

public Declaration getDeclaration(String identifier)

getIndex

public int getIndex()

getOffset

public int getOffset()

The offset of the fact related to this pattern inside the tuple

Returns:

the offset

setOffset

public void setOffset(int offset)

getInnerDeclarations

public Map<String,Declaration> getInnerDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible inside this conditional element

Specified by:

getInnerDeclarations in interface RuleConditionElement

Returns:

getOuterDeclarations

public Map<String,Declaration> getOuterDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible outside this conditional element.

Specified by:

getOuterDeclarations in interface RuleConditionElement

Returns:

resolveDeclaration

public Declaration resolveDeclaration(String identifier)

Description copied from interface: RuleConditionElement

Resolves the given identifier in the current scope and returns the Declaration object for the declaration. Returns null if identifier can not be resolved.

Specified by:

resolveDeclaration in interface RuleConditionElement

Returns:

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

getNestedElements

public List getNestedElements()

Description copied from interface: RuleConditionElement

Returs a list of RuleConditionElement's that are nested inside the current element

Specified by:

getNestedElements in interface RuleConditionElement

Returns:

isPatternScopeDelimiter

public boolean isPatternScopeDelimiter()

Description copied from interface: RuleConditionElement

Returns true in case this RuleConditionElement delimits a pattern visibility scope. For instance, AND CE is not a scope delimiter, while NOT CE is a scope delimiter

Specified by:

isPatternScopeDelimiter in interface RuleConditionElement

Returns:

getBehaviors

public List<Behavior> getBehaviors()

Returns:

the behaviors

setBehaviors

public void setBehaviors(List<Behavior> behaviors)

Parameters:

behaviors - the behaviors to set

addBehavior

public void addBehavior(Behavior behavior)

getListenedProperties

public List<String> getListenedProperties()

setListenedProperties

public void setListenedProperties(List<String> listenedProperties)

getAnnotations

public Map<String,AnnotationDefinition> getAnnotations()

setAnnotations

public void setAnnotations(Map<String,AnnotationDefinition> annotations)