Package org.drools.mvel.dataproviders

Class MVELDataProvider

java.lang.Object

org.drools.mvel.dataproviders.MVELDataProvider

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, org.drools.core.spi.DataProvider, MVELCompileable

Direct Known Subclasses:

ReactiveMVELDataProvider

public class MVELDataProvider
extends Object
implements org.drools.core.spi.DataProvider, MVELCompileable, Externalizable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MVELDataProvider()
MVELDataProvider(MVELCompilationUnit unit, String id)

Method Summary

Modifier and Type	Method	Description
protected Iterator	asIterator(Object result)
org.drools.core.spi.DataProvider	clone()
void	compile(MVELDialectRuntimeData runtimeData)
void	compile(MVELDialectRuntimeData runtimeData, org.drools.core.definitions.rule.impl.RuleImpl rule)
Object	createContext()
boolean	equals(Object obj)
protected Object	evaluate(org.drools.core.spi.Tuple tuple, org.drools.core.common.InternalWorkingMemory wm)
org.drools.core.rule.Declaration[]	getRequiredDeclarations()
Iterator	getResults(org.drools.core.spi.Tuple tuple, org.drools.core.common.InternalWorkingMemory wm, org.drools.core.spi.PropagationContext ctx, Object executionContext)
int	hashCode()
boolean	isReactive()
void	readExternal(ObjectInput in)
void	replaceDeclaration(org.drools.core.rule.Declaration declaration, org.drools.core.rule.Declaration resolved)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

MVELDataProvider

public MVELDataProvider()

MVELDataProvider

public MVELDataProvider(MVELCompilationUnit unit,
                        String id)

Method Detail

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

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,
                    org.drools.core.definitions.rule.impl.RuleImpl rule)

Specified by:

compile in interface MVELCompileable

getRequiredDeclarations

public org.drools.core.rule.Declaration[] getRequiredDeclarations()

Specified by:

getRequiredDeclarations in interface org.drools.core.spi.DataProvider

replaceDeclaration

public void replaceDeclaration(org.drools.core.rule.Declaration declaration,
                               org.drools.core.rule.Declaration resolved)

Specified by:

replaceDeclaration in interface org.drools.core.spi.DataProvider

createContext

public Object createContext()

Specified by:

createContext in interface org.drools.core.spi.DataProvider

getResults

public Iterator getResults(org.drools.core.spi.Tuple tuple,
                           org.drools.core.common.InternalWorkingMemory wm,
                           org.drools.core.spi.PropagationContext ctx,
                           Object executionContext)

Specified by:

getResults in interface org.drools.core.spi.DataProvider

evaluate

protected Object evaluate(org.drools.core.spi.Tuple tuple,
                          org.drools.core.common.InternalWorkingMemory wm)

asIterator

protected Iterator asIterator(Object result)

clone

public org.drools.core.spi.DataProvider clone()

Specified by:

clone in interface org.drools.core.spi.DataProvider

Overrides:

clone in class Object

isReactive

public boolean isReactive()

Specified by:

isReactive in interface org.drools.core.spi.DataProvider