Package org.drools.mvel.dataproviders

Class MVELDataProvider

java.lang.Object

org.drools.mvel.dataproviders.MVELDataProvider

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, org.drools.base.rule.accessor.DataProvider, MVELCompileable

Direct Known Subclasses:

ReactiveMVELDataProvider

public class MVELDataProvider
extends java.lang.Object
implements org.drools.base.rule.accessor.DataProvider, MVELCompileable, java.io.Externalizable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
MVELDataProvider()
MVELDataProvider(MVELCompilationUnit unit, java.lang.String id)

Method Summary

Modifier and Type	Method	Description
protected java.util.Iterator	asIterator(java.lang.Object result)
org.drools.base.rule.accessor.DataProvider	clone()
void	compile(MVELDialectRuntimeData runtimeData)
void	compile(MVELDialectRuntimeData runtimeData, org.drools.base.definitions.rule.impl.RuleImpl rule)
java.lang.Object	createContext()
boolean	equals(java.lang.Object obj)
protected java.lang.Object	evaluate(org.drools.base.reteoo.BaseTuple tuple, org.drools.base.base.ValueResolver valueResolver)
org.drools.base.rule.Declaration[]	getRequiredDeclarations()
java.util.Iterator	getResults(org.drools.base.reteoo.BaseTuple tuple, org.drools.base.base.ValueResolver valueResolver, java.lang.Object executionContext)
int	hashCode()
boolean	isReactive()
void	readExternal(java.io.ObjectInput in)
void	replaceDeclaration(org.drools.base.rule.Declaration declaration, org.drools.base.rule.Declaration resolved)
void	writeExternal(java.io.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,
                        java.lang.String id)

Method Detail

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

compile

public void compile(MVELDialectRuntimeData runtimeData)

Specified by:

compile in interface MVELCompileable

compile

public void compile(MVELDialectRuntimeData runtimeData,
                    org.drools.base.definitions.rule.impl.RuleImpl rule)

Specified by:

compile in interface MVELCompileable

getRequiredDeclarations

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

Specified by:

getRequiredDeclarations in interface org.drools.base.rule.accessor.DataProvider

replaceDeclaration

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

Specified by:

replaceDeclaration in interface org.drools.base.rule.accessor.DataProvider

createContext

public java.lang.Object createContext()

Specified by:

createContext in interface org.drools.base.rule.accessor.DataProvider

getResults

public java.util.Iterator getResults(org.drools.base.reteoo.BaseTuple tuple,
                                     org.drools.base.base.ValueResolver valueResolver,
                                     java.lang.Object executionContext)

Specified by:

getResults in interface org.drools.base.rule.accessor.DataProvider

evaluate

protected java.lang.Object evaluate(org.drools.base.reteoo.BaseTuple tuple,
                                    org.drools.base.base.ValueResolver valueResolver)

asIterator

protected java.util.Iterator asIterator(java.lang.Object result)

clone

public org.drools.base.rule.accessor.DataProvider clone()

Specified by:

clone in interface org.drools.base.rule.accessor.DataProvider

Overrides:

clone in class java.lang.Object

isReactive

public boolean isReactive()

Specified by:

isReactive in interface org.drools.base.rule.accessor.DataProvider