demos.atomicblocks
Class SDFSampleDelay

java.lang.Object
  modhelxs.abstractsemantics.NamedEntity
      modhelxs.abstractsemantics.ObservableEntity
          modhelxs.abstractsemantics.Block
              modhelxs.abstractsemantics.AtomicBlock
                  demos.atomicblocks.SDFSampleDelay

All Implemented Interfaces:

AtomicBlock, Block, NamedEntity, ObservableEntity

public class SDFSampleDelay
extends AtomicBlock

An SDFSampleDelay is an SDF block which delays its input by one sample. At the first update, its produces an initial value on its output. This initial value is set by the "init" property (default value 0).

Author:

boulange

Field Summary

private java.lang.Object	current_value_
private Pin	input_
private java.lang.Object	next_value_
private Pin	output_

Constructor Summary

SDFSampleDelay(java.lang.String name, java.lang.Object... properties)

Method Summary

void	endOfSnapshot() End of the observation round, the observable can update its internal state.
Pin	input()
Pin	output()
void	reset() Reset the computation of the outputs and next state for the current snapshot.
void	setup() Prepare for the simulation.
void	update() Update the interface of the observable: take inputs into account, update outputs.

Methods inherited from class modhelxs.abstractsemantics.AtomicBlock

emitObservationRequests, endOfUpdate, prep, startOfSnapshot, startOfUpdate, validate, wrapup

Methods inherited from class modhelxs.abstractsemantics.Block

connect, connectFromInterfaceBlock, connectFromModel, connectFromRegularBlock, getEngine, getInputPins, getMoC, getOutputPins, getParent, getSolver, getTimeOfRequest, hasObservationRequest, sanityCheck, setParent

Methods inherited from class modhelxs.abstractsemantics.ObservableEntity

addPin, getInterface, getPin

Methods inherited from class modhelxs.abstractsemantics.NamedEntity

getName, getProperties, getProperty, hasProperty, removeProperty, setName, setProperties, setProperty, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface modhelxs.ecore.Block

getParent

Methods inherited from interface modhelxs.ecore.ObservableEntity

getInterface

Methods inherited from interface modhelxs.ecore.NamedEntity

getName, getProperties, setName

Field Detail

next_value_

private java.lang.Object next_value_

current_value_

private java.lang.Object current_value_

input_

private final Pin input_

output_

private final Pin output_

Constructor Detail

SDFSampleDelay

public SDFSampleDelay(java.lang.String name,
                      java.lang.Object... properties)

Method Detail

input

public Pin input()

output

public Pin output()

setup

public void setup()

Description copied from class: ObservableEntity

Prepare for the simulation. Called after prep, before the first step of the simulation.

Overrides:

setup in class AtomicBlock

reset

public void reset()

Description copied from class: ObservableEntity

Reset the computation of the outputs and next state for the current snapshot.

Overrides:

reset in class AtomicBlock

update

public void update()

Description copied from class: ObservableEntity

Update the interface of the observable: take inputs into account, update outputs.

Specified by:

update in class ObservableEntity

endOfSnapshot

public void endOfSnapshot()

Description copied from class: ObservableEntity

End of the observation round, the observable can update its internal state.

Overrides:

endOfSnapshot in class AtomicBlock