org.drools.core.base.mvel

Class MVELPredicateExpression

java.lang.Object

org.drools.core.base.mvel.MVELPredicateExpression

All Implemented Interfaces:

Externalizable, Serializable, MVELCompileable, Invoker, PredicateExpression, RuleComponent

public class MVELPredicateExpression
extends Object
implements PredicateExpression, MVELCompileable, Externalizable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MVELPredicateExpression()
MVELPredicateExpression(MVELCompilationUnit unit, String id)

Method Summary

Methods

Modifier and Type	Method and Description
void	compile(MVELDialectRuntimeData runtimeData)
void	compile(MVELDialectRuntimeData runtimeData, RuleImpl rule)
Object	createContext()
boolean	equals(Object obj)
boolean	evaluate(InternalFactHandle handle, Tuple tuple, Declaration[] previousDeclarations, Declaration[] requiredDeclarations, WorkingMemory workingMemory, Object context)
int	hashCode()
void	readExternal(ObjectInput in)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

MVELPredicateExpression

public MVELPredicateExpression()

MVELPredicateExpression

public MVELPredicateExpression(MVELCompilationUnit unit,
                       String id)

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

compile

public void compile(MVELDialectRuntimeData runtimeData)

Specified by:

compile in interface MVELCompileable

compile

public void compile(MVELDialectRuntimeData runtimeData,
           RuleImpl rule)

Specified by:

compile in interface MVELCompileable

createContext

public Object createContext()

Specified by:

createContext in interface PredicateExpression

evaluate

public boolean evaluate(InternalFactHandle handle,
               Tuple tuple,
               Declaration[] previousDeclarations,
               Declaration[] requiredDeclarations,
               WorkingMemory workingMemory,
               Object context)
                 throws Exception

Specified by:

evaluate in interface PredicateExpression

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object