org.drools.rule
Class LiteralRestriction
java.lang.Object
org.drools.rule.LiteralRestriction
- All Implemented Interfaces:
- Externalizable, Serializable, Cloneable, Restriction
public class LiteralRestriction
- extends Object
- implements Restriction, Externalizable
- See Also:
- Serialized Form
LiteralRestriction
public LiteralRestriction()
LiteralRestriction
public LiteralRestriction(FieldValue field,
Evaluator evaluator,
InternalReadAccessor fieldExtractor)
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
getEvaluator
public Evaluator getEvaluator()
- Specified by:
getEvaluator
in interface Restriction
getField
public FieldValue getField()
isAllowed
public boolean isAllowed(InternalReadAccessor readAccessor,
InternalFactHandle handle,
InternalWorkingMemory workingMemory,
ContextEntry context)
- Specified by:
isAllowed
in interface Restriction
isAllowedCachedLeft
public boolean isAllowedCachedLeft(ContextEntry context,
InternalFactHandle handle)
- Specified by:
isAllowedCachedLeft
in interface Restriction
isAllowedCachedRight
public boolean isAllowedCachedRight(LeftTuple tuple,
ContextEntry context)
- Specified by:
isAllowedCachedRight
in interface Restriction
getRequiredDeclarations
public Declaration[] getRequiredDeclarations()
- Literal constraints cannot have required declarations, so always return an empty array.
- Specified by:
getRequiredDeclarations
in interface Restriction
- Returns:
- Return an empty
Declaration[]
replaceDeclaration
public void replaceDeclaration(Declaration oldDecl,
Declaration newDecl)
- Description copied from interface:
Restriction
- A restriction may be required to replace an old
declaration object by a new updated one
- Specified by:
replaceDeclaration
in interface Restriction
isTemporal
public boolean isTemporal()
- Description copied from interface:
Restriction
- Returns true if this is a temporal restriction
- Specified by:
isTemporal
in interface Restriction
- 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
createContextEntry
public ContextEntry createContextEntry()
- Specified by:
createContextEntry
in interface Restriction
clone
public Object clone()
- Specified by:
clone
in interface Restriction
- Overrides:
clone
in class Object
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