Package org.drools.core.rule

Class EvalCondition

java.lang.Object

org.drools.core.rule.ConditionalElement

org.drools.core.rule.EvalCondition

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, RuleConditionElement, RuleComponent, Wireable

public class EvalCondition
extends ConditionalElement
implements Externalizable, Wireable

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.drools.core.spi.Wireable

Wireable.Immutable

Field Summary

Fields

Modifier and Type	Field	Description
protected EvalExpression	expression
protected Declaration[]	requiredDeclarations

Constructor Summary

Constructors

Constructor	Description
EvalCondition()
EvalCondition(Declaration[] requiredDeclarations)
EvalCondition(EvalExpression eval, Declaration[] requiredDeclarations)

Method Summary

Modifier and Type	Method	Description
EvalCondition	clone()	Returns a clone from itself
Object	createContext()
boolean	equals(Object object)
List<EvalCondition>	getCloned()
EvalExpression	getEvalExpression()
Map<String,Declaration>	getInnerDeclarations()	Returns a Map of declarations that are visible inside this conditional element
List<? extends RuleConditionElement>	getNestedElements()	Returs a list of RuleConditionElement's that are nested inside the current element
Map<String,Declaration>	getOuterDeclarations()	Returns a Map of declarations that are visible outside this conditional element.
Declaration[]	getRequiredDeclarations()
int	hashCode()
boolean	isAllowed(Tuple tuple, ReteEvaluator reteEvaluator, Object context)
boolean	isPatternScopeDelimiter()	Returns true in case this RuleConditionElement delimits a pattern visibility scope.
void	readExternal(ObjectInput in)
void	replaceDeclaration(Declaration declaration, Declaration resolved)
Declaration	resolveDeclaration(String identifier)	Resolves the given identifier in the current scope and returns the Declaration object for the declaration.
void	setCloned(List<EvalCondition> cloned)
void	setEvalExpression(EvalExpression expression)
void	setOuterDeclarations(Map<String,Declaration> outerDeclarations)
String	toString()
void	wire(Object object)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

expression

protected EvalExpression expression

requiredDeclarations

protected Declaration[] requiredDeclarations

Constructor Detail

EvalCondition

public EvalCondition()

EvalCondition

public EvalCondition(Declaration[] requiredDeclarations)

EvalCondition

public EvalCondition(EvalExpression eval,
                     Declaration[] requiredDeclarations)

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

getEvalExpression

public EvalExpression getEvalExpression()

wire

public void wire(Object object)

Specified by:

wire in interface Wireable

setEvalExpression

public void setEvalExpression(EvalExpression expression)

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

createContext

public Object createContext()

isAllowed

public boolean isAllowed(Tuple tuple,
                         ReteEvaluator reteEvaluator,
                         Object context)

clone

public EvalCondition clone()

Description copied from interface: RuleConditionElement

Returns a clone from itself

Specified by:

clone in interface RuleConditionElement

Specified by:

clone in class ConditionalElement

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

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:

setOuterDeclarations

public void setOuterDeclarations(Map<String,Declaration> outerDeclarations)

getNestedElements

public List<? extends RuleConditionElement> 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:

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:

replaceDeclaration

public void replaceDeclaration(Declaration declaration,
                               Declaration resolved)

getCloned

public List<EvalCondition> getCloned()

setCloned

public void setCloned(List<EvalCondition> cloned)

toString

public String toString()

Overrides:

toString in class Object