Package org.drools.core.base.accumulators

Class JavaAccumulatorFunctionExecutor

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable, org.drools.base.rule.accessor.Accumulator, org.drools.base.rule.accessor.Invoker, org.drools.base.rule.accessor.Wireable, org.drools.base.rule.RuleComponent
    public class JavaAccumulatorFunctionExecutor
extends java.lang.Object
implements org.drools.base.rule.accessor.Accumulator, java.io.Externalizable, org.drools.base.rule.accessor.Wireable
    A Java accumulator function executor implementation
    See Also:
    Serialized Form

    • Nested Class Summary

      • Nested classes/interfaces inherited from interface org.drools.base.rule.accessor.Wireable

        org.drools.base.rule.accessor.Wireable.Immutable

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object accumulate​(java.lang.Object workingMemoryContext, java.lang.Object context, org.drools.base.reteoo.BaseTuple leftTuple, org.kie.api.runtime.rule.FactHandle handle, org.drools.base.rule.Declaration[] declarations, org.drools.base.rule.Declaration[] innerDeclarations, org.drools.base.base.ValueResolver valueResolver)  
      java.lang.Object createContext()  
      java.lang.Object createWorkingMemoryContext()  
      boolean equals​(java.lang.Object o)  
      org.drools.base.rule.accessor.ReturnValueExpression getExpression()  
      java.lang.Object getResult​(java.lang.Object workingMemoryContext, java.lang.Object context, org.drools.base.reteoo.BaseTuple leftTuple, org.drools.base.rule.Declaration[] declarations, org.drools.base.base.ValueResolver valueResolver)  
      int hashCode()  
      java.lang.Object init​(java.lang.Object workingMemoryContext, java.lang.Object context, org.drools.base.reteoo.BaseTuple leftTuple, org.drools.base.rule.Declaration[] declarations, org.drools.base.base.ValueResolver valueResolver)  
      void readExternal​(java.io.ObjectInput in)  
      void setExpression​(org.drools.base.rule.accessor.ReturnValueExpression expression)  
      boolean supportsReverse()  
      boolean tryReverse​(java.lang.Object workingMemoryContext, java.lang.Object context, org.drools.base.reteoo.BaseTuple leftTuple, org.kie.api.runtime.rule.FactHandle handle, java.lang.Object value, org.drools.base.rule.Declaration[] declarations, org.drools.base.rule.Declaration[] innerDeclarations, org.drools.base.base.ValueResolver valueResolver)  
      void wire​(java.lang.Object object)  
      void writeExternal​(java.io.ObjectOutput out)  

      • 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 Detail

      • JavaAccumulatorFunctionExecutor

        public JavaAccumulatorFunctionExecutor()

      • JavaAccumulatorFunctionExecutor

        public JavaAccumulatorFunctionExecutor​(org.kie.api.runtime.rule.AccumulateFunction function)

    • Method Detail

      • 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

      • createContext

        public java.lang.Object createContext()
        Specified by:
        createContext in interface org.drools.base.rule.accessor.Accumulator

      • init

        public java.lang.Object init​(java.lang.Object workingMemoryContext,
                             java.lang.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 java.lang.Object accumulate​(java.lang.Object workingMemoryContext,
                                   java.lang.Object context,
                                   org.drools.base.reteoo.BaseTuple leftTuple,
                                   org.kie.api.runtime.rule.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

      • tryReverse

        public boolean tryReverse​(java.lang.Object workingMemoryContext,
                          java.lang.Object context,
                          org.drools.base.reteoo.BaseTuple leftTuple,
                          org.kie.api.runtime.rule.FactHandle handle,
                          java.lang.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 java.lang.Object getResult​(java.lang.Object workingMemoryContext,
                                  java.lang.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

      • supportsReverse

        public boolean supportsReverse()
        Specified by:
        supportsReverse in interface org.drools.base.rule.accessor.Accumulator

      • getExpression

        public org.drools.base.rule.accessor.ReturnValueExpression getExpression()

      • wire

        public void wire​(java.lang.Object object)
        Specified by:
        wire in interface org.drools.base.rule.accessor.Wireable

      • setExpression

        public void setExpression​(org.drools.base.rule.accessor.ReturnValueExpression expression)

      • createWorkingMemoryContext

        public java.lang.Object createWorkingMemoryContext()
        Specified by:
        createWorkingMemoryContext in interface org.drools.base.rule.accessor.Accumulator

      • equals

        public boolean equals​(java.lang.Object o)
        Overrides:
        equals in class java.lang.Object

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object