Package ca.uqac.lif.cep.tuples

Class Where

java.lang.Object
ca.uqac.lif.cep.Processor
ca.uqac.lif.cep.SynchronousProcessor
ca.uqac.lif.cep.tuples.Where
All Implemented Interfaces:
ca.uqac.lif.cep.Contextualizable, ca.uqac.lif.cep.Duplicable, ca.uqac.lif.cep.DuplicableProcessor
public class Where extends ca.uqac.lif.cep.SynchronousProcessor
Filters a trace of AttributeGroup objects according to a Boolean function
Author:
Sylvain Hallé

  • Nested Class Summary

    Nested classes/interfaces inherited from class ca.uqac.lif.cep.SynchronousProcessor

    ca.uqac.lif.cep.SynchronousProcessor.InputPushable, ca.uqac.lif.cep.SynchronousProcessor.OutputPullable

    Nested classes/interfaces inherited from class ca.uqac.lif.cep.Processor

    ca.uqac.lif.cep.Processor.InternalProcessorState

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected ca.uqac.lif.cep.functions.Function
    m_condition
    The condition to evaluate.

    Fields inherited from class ca.uqac.lif.cep.SynchronousProcessor

    m_inputPushables, m_outputPullables, m_tempQueue

    Fields inherited from class ca.uqac.lif.cep.Processor

    m_context, m_hasBeenNotifiedOfEndOfTrace, m_inputArity, m_inputPullables, m_inputQueues, m_notifiedEndOfTraceDownstream, m_outputArity, m_outputPushables, m_outputQueues, MAX_PULL_RETRIES, s_versionString

  • Constructor Summary

    Constructors
    Constructor
    Description
    Where(ca.uqac.lif.cep.functions.Function condition)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static void
    build(ArrayDeque<Object> stack)
     
    protected boolean
    compute(Object[] inputs, Queue<Object[]> outputs)
     
    Where
    duplicate(boolean with_state)
     
    Where
    setCondition(ca.uqac.lif.cep.functions.Function f)
     

    Methods inherited from class ca.uqac.lif.cep.SynchronousProcessor

    getPullableOutput, getPushableInput

    Methods inherited from class ca.uqac.lif.cep.Processor

    allNotifiedEndOfTrace, allNull, copyInputQueue, copyOutputQueue, duplicate, duplicateInto, equals, getAt, getContext, getContext, getEmptyQueue, getId, getInputArity, getInputQueue, getInputType, getInputTypesFor, getOutputArity, getOutputQueue, getOutputType, getPullableInput, getPullableOutput, getPushableInput, getPushableOutput, hashCode, leftShift, newContext, onEndOfTrace, or, or, or, printState, readState, reset, rightShift, setContext, setContext, setPullableInput, setPushableOutput, start, startAll, stop, stopAll

    Methods inherited from class java.lang.Object

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

  • Field Details

    • m_condition

      protected ca.uqac.lif.cep.functions.Function m_condition
      The condition to evaluate. Based on its return value on a given attribute group, the group will be returned or discarded.

  • Constructor Details

    • Where

      public Where(ca.uqac.lif.cep.functions.Function condition)

  • Method Details

    • setCondition

      public Where setCondition(ca.uqac.lif.cep.functions.Function f)

    • compute

      protected boolean compute(Object[] inputs, Queue<Object[]> outputs) throws ca.uqac.lif.cep.ProcessorException
      Specified by:
      compute in class ca.uqac.lif.cep.SynchronousProcessor
      Throws:
      ca.uqac.lif.cep.ProcessorException

    • duplicate

      public Where duplicate(boolean with_state)
      Specified by:
      duplicate in interface ca.uqac.lif.cep.Duplicable
      Specified by:
      duplicate in class ca.uqac.lif.cep.Processor

    • build

      public static void build(ArrayDeque<Object> stack)