Attachment 255638 Details for Bug 474309 – file that hangs the formatter

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file that hangs the formatter

InterfacesEnableDisableFSM.java (text/x-java), 3.49 KB, created by Ferry Huberts

on 2015-08-05 07:08:33 EDT

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Filename:

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Creator: Ferry Huberts

Created: 2015-08-05 07:08:33 EDT

Size: 3.49 KB

patch

obsolete

>package nl.pelagic.util.fsm.interfaces.enabledisable;
>
>public class InterfacesEnableDisableFSM {
> /**
> * 
> * State Diagram.
> * 
> * 
> * Note: 's' (radio silence) transitions always have priority.
> * 
> *
> * <pre>
> * s = radio silence
> * e = enable
> *
> * e
> * +-------------------------------------------------------------------+
> * | |
> * | +----------------------------------------------------------+ |
> * | | !e | |
> * V | V |
> * +---------+ s +----------------+ !e +-----------------+ !s +----------+
> * | |---->| |---->| |---->| |
> * | ENABLED | | ENABLED_SILENT | | DISABLED_SILENT | | DISABLED |
> * | |<----| |<----| |<----| |
> * +---------+ !s +----------------+ e +-----------------+ s +----------+
> * | ^ | ^ | ^ | ^
> * | | | | | | | |
> * +---+ +---+ +---+ +---+
> * !s || e s || e s || !e !s || !e
> * </pre>
> */
> public enum State {
> ENABLED, //
> DISABLED, //
> ENABLED_SILENT, //
> DISABLED_SILENT;
> }
>
> private State state = State.ENABLED;
>
> /**
> * @return the state
> */
> public State getState() {
> return state;
> }
>
> /**
> * @return true when the state is not ENABLED, false otherwise
> */
> public boolean isEnbled() {
> return (state == State.ENABLED);
> }
>
> /**
> * 
> * Determine the new state
> * 
> * 
> * Note: one of the parameters must be null and they can't both be null
> * 
> *
> * @param radioSilence non-null to determine the new state for a change in the
> * radio silence setting
> * @param enable non-null to determine the new state for a change in the
> * interface enable setting
> */
> public void determineNewState(Boolean radioSilence, Boolean enable) {
> assert (!(((radioSilence == null) && (enable == null)) //
> || ((radioSilence != null) && (enable != null))));
>
> /* Determine new state */
> switch (state) {
> case ENABLED:
> if ((radioSilence != null) && Boolean.TRUE.equals(radioSilence)) {
> state = State.ENABLED_SILENT;
> }
> if ((enable != null) && Boolean.FALSE.equals(enable)) {
> state = State.DISABLED;
> }
> break;
>
> case ENABLED_SILENT:
> if ((radioSilence != null) && Boolean.FALSE.equals(radioSilence)) {
> state = State.ENABLED;
> }
> if ((enable != null) && Boolean.FALSE.equals(enable)) {
> state = State.DISABLED_SILENT;
> }
> break;
>
> case DISABLED_SILENT:
> if ((radioSilence != null) && Boolean.FALSE.equals(radioSilence)) {
> state = State.DISABLED;
> }
> if ((enable != null) && Boolean.TRUE.equals(enable)) {
> state = State.ENABLED_SILENT;
> }
> break;
>
> case DISABLED:
> default:
> if ((radioSilence != null) && Boolean.TRUE.equals(radioSilence)) {
> state = State.DISABLED_SILENT;
> }
> if ((enable != null) && Boolean.TRUE.equals(enable)) {
> state = State.ENABLED;
> }
> break;
> }
> }
>}

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Attachments on bug 474309: 255638 | 255639