Package org.drools.mvel.dataproviders

Class MVELDataProvider

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, org.drools.core.rule.accessor.DataProvider, MVELCompileable
    Direct Known Subclasses:
    ReactiveMVELDataProvider
    public class MVELDataProvider
extends java.lang.Object
implements org.drools.core.rule.accessor.DataProvider, MVELCompileable, java.io.Externalizable
    See Also:
    Serialized Form

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected java.util.Iterator asIterator​(java.lang.Object result)  
      org.drools.core.rule.accessor.DataProvider clone()  
      void compile​(MVELDialectRuntimeData runtimeData)  
      void compile​(MVELDialectRuntimeData runtimeData, org.drools.core.definitions.rule.impl.RuleImpl rule)  
      java.lang.Object createContext()  
      boolean equals​(java.lang.Object obj)  
      protected java.lang.Object evaluate​(org.drools.core.reteoo.Tuple tuple, org.drools.core.common.ReteEvaluator reteEvaluator)  
      org.drools.core.rule.Declaration[] getRequiredDeclarations()  
      java.util.Iterator getResults​(org.drools.core.reteoo.Tuple tuple, org.drools.core.common.ReteEvaluator reteEvaluator, org.drools.core.common.PropagationContext ctx, java.lang.Object executionContext)  
      int hashCode()  
      boolean isReactive()  
      void readExternal​(java.io.ObjectInput in)  
      void replaceDeclaration​(org.drools.core.rule.Declaration declaration, org.drools.core.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

      • getRequiredDeclarations

        public org.drools.core.rule.Declaration[] getRequiredDeclarations()
        Specified by:
        getRequiredDeclarations in interface org.drools.core.rule.accessor.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.rule.accessor.DataProvider

      • createContext

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

      • getResults

        public java.util.Iterator getResults​(org.drools.core.reteoo.Tuple tuple,
                                     org.drools.core.common.ReteEvaluator reteEvaluator,
                                     org.drools.core.common.PropagationContext ctx,
                                     java.lang.Object executionContext)
        Specified by:
        getResults in interface org.drools.core.rule.accessor.DataProvider

      • evaluate

        protected java.lang.Object evaluate​(org.drools.core.reteoo.Tuple tuple,
                                    org.drools.core.common.ReteEvaluator reteEvaluator)

      • asIterator

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

      • clone

        public org.drools.core.rule.accessor.DataProvider clone()
        Specified by:
        clone in interface org.drools.core.rule.accessor.DataProvider
        Overrides:
        clone in class java.lang.Object

      • isReactive

        public boolean isReactive()
        Specified by:
        isReactive in interface org.drools.core.rule.accessor.DataProvider