Package org.drools.modelcompiler.constraints

Class LambdaAccumulator

java.lang.Object

org.drools.modelcompiler.constraints.LambdaAccumulator

All Implemented Interfaces:

org.drools.base.rule.accessor.Accumulator, org.drools.base.rule.accessor.Invoker, org.drools.base.rule.RuleComponent

Direct Known Subclasses:

LambdaAccumulator.BindingAcc, LambdaAccumulator.FixedValueAcc, LambdaAccumulator.NotBindingAcc

public abstract class LambdaAccumulator
extends Object
implements org.drools.base.rule.accessor.Accumulator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LambdaAccumulator.BindingAcc
static class	LambdaAccumulator.FixedValueAcc
static class	LambdaAccumulator.NotBindingAcc

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LambdaAccumulator(AccumulateFunction accumulateFunction)

Method Summary

Modifier and Type	Method	Description
Object	accumulate(Object workingMemoryContext, Object context, org.drools.base.reteoo.BaseTuple leftTuple, FactHandle handle, org.drools.base.rule.Declaration[] declarations, org.drools.base.rule.Declaration[] innerDeclarations, org.drools.base.base.ValueResolver valueResolver)
Object	createContext()
Object	createWorkingMemoryContext()
boolean	equals(Object o)
protected abstract Object	getAccumulatedObject(org.drools.base.rule.Declaration[] declarations, org.drools.base.rule.Declaration[] innerDeclarations, FactHandle handle, org.drools.base.reteoo.BaseTuple tuple, ReteEvaluator reteEvaluator)
Object	getResult(Object workingMemoryContext, Object context, org.drools.base.reteoo.BaseTuple leftTuple, org.drools.base.rule.Declaration[] declarations, org.drools.base.base.ValueResolver valueResolver)
int	hashCode()
Object	init(Object workingMemoryContext, Object context, org.drools.base.reteoo.BaseTuple leftTuple, org.drools.base.rule.Declaration[] declarations, org.drools.base.base.ValueResolver valueResolver)
boolean	supportsReverse()
boolean	tryReverse(Object workingMemoryContext, Object context, org.drools.base.reteoo.BaseTuple leftTuple, FactHandle handle, Object value, org.drools.base.rule.Declaration[] declarations, org.drools.base.rule.Declaration[] innerDeclarations, org.drools.base.base.ValueResolver valueResolver)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.drools.base.rule.accessor.Accumulator

getRequiredDeclarations, replaceDeclaration

Methods inherited from interface org.drools.base.rule.accessor.Invoker

wrapsCompiledInvoker

Constructor Details

LambdaAccumulator

protected LambdaAccumulator(AccumulateFunction accumulateFunction)

Method Details

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

createWorkingMemoryContext

public Object createWorkingMemoryContext()

Specified by:

createWorkingMemoryContext in interface org.drools.base.rule.accessor.Accumulator

createContext

public Object createContext()

Specified by:

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

init

public Object init(Object workingMemoryContext,
 Object context,
 org.drools.base.reteoo.BaseTuple leftTuple,
 org.drools.base.rule.Declaration[] declarations,
 org.drools.base.base.ValueResolver valueResolver)

Specified by:

init in interface org.drools.base.rule.accessor.Accumulator

accumulate

public Object accumulate(Object workingMemoryContext,
 Object context,
 org.drools.base.reteoo.BaseTuple leftTuple,
 FactHandle handle,
 org.drools.base.rule.Declaration[] declarations,
 org.drools.base.rule.Declaration[] innerDeclarations,
 org.drools.base.base.ValueResolver valueResolver)

Specified by:

accumulate in interface org.drools.base.rule.accessor.Accumulator

getAccumulatedObject

protected abstract Object getAccumulatedObject(org.drools.base.rule.Declaration[] declarations,
 org.drools.base.rule.Declaration[] innerDeclarations,
 FactHandle handle,
 org.drools.base.reteoo.BaseTuple tuple,
 ReteEvaluator reteEvaluator)

supportsReverse

public boolean supportsReverse()

Specified by:

supportsReverse in interface org.drools.base.rule.accessor.Accumulator

tryReverse

public boolean tryReverse(Object workingMemoryContext,
 Object context,
 org.drools.base.reteoo.BaseTuple leftTuple,
 FactHandle handle,
 Object value,
 org.drools.base.rule.Declaration[] declarations,
 org.drools.base.rule.Declaration[] innerDeclarations,
 org.drools.base.base.ValueResolver valueResolver)

Specified by:

tryReverse in interface org.drools.base.rule.accessor.Accumulator

getResult

public Object getResult(Object workingMemoryContext,
 Object context,
 org.drools.base.reteoo.BaseTuple leftTuple,
 org.drools.base.rule.Declaration[] declarations,
 org.drools.base.base.ValueResolver valueResolver)

Specified by:

getResult in interface org.drools.base.rule.accessor.Accumulator