Package eu.bandm.sig.adlib2

Class BooleanMultiDelay

java.lang.Object

eu.bandm.sig.adlib2.AbstractProcess

eu.bandm.sig.adlib2.BooleanStoredSignalSource

eu.bandm.sig.adlib2.compile.CompilableBooleanStoredSignalSource

eu.bandm.sig.adlib2.BooleanMultiDelay

All Implemented Interfaces:

AbstractClockedSignalSource, AbstractSignalSource, BooleanClockedSignalSource, BooleanSignalSource, CompilableControlFlow, CompilableDataFlow, Component, Process, Register, BooleanSupplier

public class BooleanMultiDelay
extends CompilableBooleanStoredSignalSource
implements Register

A component that forwards the value from a signal source delayed by a specified number of clock ticks.

A single instance of this class is operationally equivalent to a chain of single-step delay operators. However, the computational costs of the former per clock tick are constant, whereas for the latter they grow linearly with the length of the chain.

Nested Class Summary

Nested classes/interfaces inherited from interface eu.bandm.sig.adlib2.Process

Process.Proxy

Field Summary

Fields inherited from class eu.bandm.sig.adlib2.BooleanStoredSignalSource

out

Fields inherited from interface eu.bandm.sig.adlib2.AbstractClockedSignalSource

STREAM_CHARACTERISTICS, STREAM_SIZE

Constructor Summary

Constructors

Constructor	Description
BooleanMultiDelay(boolean... initial)
BooleanMultiDelay(boolean[] initial, BooleanSignalSource in)
BooleanMultiDelay(boolean[] initial, Function<? super BooleanMultiDelay,? extends BooleanSignalSource> in)

Method Summary

Modifier and Type	Method	Description
Consumer<CompilationContext>	compileControlFlow()	Compiles the state transition of this process.
Consumer<CompilationContext>	compileInitialization()	Compiles the initialization of this process.
Process	getLoadPhase()
protected VariableContext.Variable	getNextVariable(CompilationContext context)
protected VariableContext.Variable	getPhaseVariable(CompilationContext context)
Process	getStorePhase()
void	init()	Initializes the state of this process.
void	setInput(BooleanSignalSource in)
void	step()	Signals a time event, executing a transition step for this process to the next observable state.

Methods inherited from class eu.bandm.sig.adlib2.compile.CompilableBooleanStoredSignalSource

compileDataFlow, compileSetStoredValueVariable, getStoredValueVariable, publishStoredValueVariable

Methods inherited from class eu.bandm.sig.adlib2.BooleanStoredSignalSource

getAsBoolean

Methods inherited from class eu.bandm.sig.adlib2.AbstractProcess

getRealtimeContext, setRealtimeContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.bandm.sig.adlib2.BooleanClockedSignalSource

after, compile, during

Methods inherited from interface eu.bandm.sig.adlib2.BooleanSignalSource

and, becoming, ceasing, choose, choose, choose, choose, choose, choose, choose, choose, choose, compileMainSignalSource, DEBUG, delayed, delayed, getConstantAsBoolean, getValueClass, guard, hasConstantAsBoolean, invariant, map, not, or, power, probe, relateWith, sampleAndHold, stored, xor, zipWith

Methods inherited from interface eu.bandm.sig.adlib2.compile.CompilableDataFlow

compileDataFlowTo, hasDataFlowIO

Methods inherited from interface eu.bandm.sig.adlib2.Process

afterEvery, andThen, compileAsMainProcess, every, every, getProcess, hasControlFlowIO, hasInitializationIO, setRealtimeContext

Methods inherited from interface eu.bandm.sig.adlib2.Register

andMeanwhile, andMeanwhile

Constructor Details

BooleanMultiDelay

@Undocumented
public BooleanMultiDelay(boolean... initial)

BooleanMultiDelay

@Undocumented
public BooleanMultiDelay(boolean[] initial,
 BooleanSignalSource in)

BooleanMultiDelay

@Undocumented
public BooleanMultiDelay(boolean[] initial,
 Function<? super BooleanMultiDelay,? extends BooleanSignalSource> in)

Method Details

setInput

@Undocumented
public void setInput(BooleanSignalSource in)

getLoadPhase

@Undocumented
public Process getLoadPhase()

Specified by:

getLoadPhase in interface Register

getStorePhase

@Undocumented
public Process getStorePhase()

Specified by:

getStorePhase in interface Register

init

@Undocumented
public void init()

Description copied from interface: Process

Initializes the state of this process. The state is initialized such that the first subsequent call to Process.step() transitions to the first specified observable state.

The default implementation does nothing.

Specified by:

init in interface Process

step

@Undocumented
public void step()

Description copied from interface: Process

Signals a time event, executing a transition step for this process to the next observable state.

The state of the process after successful completion of this method should be the n-th observable state, if Process.step() has been invoked n times since the last initialization via Process.init(). The behavior of this method is unspecified if Process.init() has not been invoked before.

FIXME: Process.setRealtimeContext(eu.bandm.sig.adlib2.RealtimeContext)

If this method completes abruptly by throwing an error or unchecked exception, the process state should be considered invalid.

Specified by:

step in interface Process

getNextVariable

@Undocumented
protected VariableContext.Variable getNextVariable(CompilationContext context)

getPhaseVariable

@Undocumented
protected VariableContext.Variable getPhaseVariable(CompilationContext context)

compileInitialization

@Undocumented
public Consumer<CompilationContext> compileInitialization()

Description copied from interface: Process

Compiles the initialization of this process.

This method emits code equivalent to the Process.init() method of this component. The compilation context should be set up to specify no input or output variables.

The default implementation emits code that simply invokes Process.init() for this process.

This method should be overridden together with Process.compileControlFlow(), in order to ensure that both operate on the same state variables.

Specified by:

compileInitialization in interface CompilableControlFlow

Specified by:

compileInitialization in interface Process

Overrides:

compileInitialization in class CompilableBooleanStoredSignalSource

See Also:

• Process.hasInitializationIO(eu.bandm.sig.adlib2.compile.CompilationContext)

compileControlFlow

@Undocumented
public Consumer<CompilationContext> compileControlFlow()

Description copied from interface: Process

Compiles the state transition of this process.

This method emits code equivalent to the Process.step() method of this process. The compilation context should be set up to specify no input or output variables.

The default implementation emits code that simply invokes Process.step() for this process.

This method should be overridden together with Process.compileInitialization(), in order to ensure that both operate on the same state variables.

Specified by:

compileControlFlow in interface CompilableControlFlow

Specified by:

compileControlFlow in interface Process

Specified by:

compileControlFlow in class CompilableBooleanStoredSignalSource

See Also:

• Process.hasControlFlowIO(eu.bandm.sig.adlib2.compile.CompilationContext)