[102] | 1 | package com.framsticks.util.dispatching; |
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| 2 | |
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| 3 | import java.util.LinkedList; |
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| 4 | import java.util.ListIterator; |
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| 5 | import java.util.TimerTask; |
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| 6 | |
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| 7 | import org.apache.logging.log4j.Logger; |
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| 8 | import org.apache.logging.log4j.LogManager; |
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| 9 | |
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| 10 | import com.framsticks.params.annotations.AutoAppendAnnotation; |
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| 11 | import com.framsticks.params.annotations.FramsClassAnnotation; |
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| 12 | import com.framsticks.params.annotations.ParamAnnotation; |
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| 13 | |
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| 14 | @FramsClassAnnotation |
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| 15 | public class StackedJoinable extends AbstractJoinable implements JoinableParent { |
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| 16 | private static final Logger log = LogManager.getLogger(StackedJoinable.class); |
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| 17 | |
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| 18 | |
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| 19 | protected final LinkedList<Joinable> joinables = new LinkedList<Joinable>(); |
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| 20 | protected ListIterator<Joinable> iterator; |
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| 21 | protected Joinable currentJoinable; |
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| 22 | |
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| 23 | protected double interval = 1; |
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| 24 | |
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| 25 | /** |
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| 26 | * |
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| 27 | */ |
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| 28 | public StackedJoinable() { |
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| 29 | super(); |
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| 30 | } |
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| 31 | |
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| 32 | @AutoAppendAnnotation |
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| 33 | public void addJoinable(Joinable joinable) { |
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| 34 | joinables.add(joinable); |
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| 35 | } |
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| 36 | |
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| 37 | @Override |
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| 38 | public String getName() { |
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| 39 | return "stacked"; |
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| 40 | } |
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| 41 | |
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| 42 | @Override |
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| 43 | public void childChangedState(Joinable joinable, JoinableState state) { |
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| 44 | // log.error("{} notified {} about changing state to {}", joinable, this, state); |
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| 45 | if (state.equals(JoinableState.RUNNING)) { |
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| 46 | if (joinable == currentJoinable) { |
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| 47 | Dispatching.getTimer().schedule(new TimerTask() { |
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| 48 | @Override |
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| 49 | public void run() { |
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| 50 | startNext(); |
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| 51 | } |
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| 52 | }, (int)(interval * 1000)); |
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| 53 | } |
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| 54 | return; |
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| 55 | } |
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| 56 | if (state.equals(JoinableState.FINISHING)) { |
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| 57 | if (joinable == currentJoinable) { |
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| 58 | Dispatching.getTimer().schedule(new TimerTask() { |
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| 59 | @Override |
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| 60 | public void run() { |
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| 61 | stopNext(); |
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| 62 | } |
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| 63 | }, (int)(interval * 1000)); |
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| 64 | } |
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| 65 | return; |
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| 66 | } |
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| 67 | |
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| 68 | } |
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| 69 | |
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| 70 | protected void startNext() { |
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| 71 | if (!iterator.hasNext()) { |
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| 72 | currentJoinable = null; |
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| 73 | log.debug("started all"); |
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| 74 | return; |
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| 75 | } |
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| 76 | currentJoinable = iterator.next(); |
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| 77 | log.debug("starting {}", currentJoinable); |
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| 78 | Dispatching.use(currentJoinable, this); |
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| 79 | } |
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| 80 | |
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| 81 | protected void stopNext() { |
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| 82 | if (!iterator.hasPrevious()) { |
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| 83 | finishJoinable(); |
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| 84 | return; |
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| 85 | } |
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| 86 | currentJoinable = iterator.previous(); |
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| 87 | log.debug("stoping {}", currentJoinable); |
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| 88 | Dispatching.drop(currentJoinable, this); |
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| 89 | } |
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| 90 | |
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| 91 | @Override |
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| 92 | protected void joinableStart() { |
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| 93 | iterator = joinables.listIterator(); |
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| 94 | startNext(); |
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| 95 | } |
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| 96 | |
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| 97 | @Override |
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| 98 | protected void joinableInterrupt() { |
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| 99 | log.debug("interupting"); |
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| 100 | stopNext(); |
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| 101 | } |
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| 102 | |
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| 103 | @Override |
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| 104 | protected void joinableFinish() { |
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| 105 | // here process ends and StackedJoinable transists to the joinable state |
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| 106 | |
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| 107 | } |
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| 108 | |
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| 109 | @Override |
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| 110 | protected void joinableJoin() throws InterruptedException { |
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| 111 | |
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| 112 | } |
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| 113 | |
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| 114 | /** |
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| 115 | * @return the interval |
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| 116 | */ |
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| 117 | @ParamAnnotation |
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| 118 | public double getInterval() { |
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| 119 | return interval; |
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| 120 | } |
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| 121 | |
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| 122 | /** |
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| 123 | * @param interval the interval to set |
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| 124 | */ |
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| 125 | @ParamAnnotation |
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| 126 | public void setInterval(double interval) { |
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| 127 | this.interval = interval; |
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| 128 | } |
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| 129 | |
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| 130 | public Joinable get(int number) { |
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| 131 | return joinables.get(number); |
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| 132 | } |
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| 133 | |
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| 134 | public int size() { |
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| 135 | return joinables.size(); |
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| 136 | } |
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| 137 | } |
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