eventRegister du Centralized
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@ -104,7 +104,7 @@ public class CentralizedLinda implements Linda {
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}
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if (found) {
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// Result found, remove it from the tuple list
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// Result found, get it from the tuple list
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result = tuples.get(index);
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}
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@ -126,7 +126,7 @@ public class CentralizedLinda implements Linda {
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// Wait for writing access
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requestWriting();
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// Find the tuple in the tuple list
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// Extract the tuple in the tuple list
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for (index = 0; index < tuples.size(); index++) {
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if (tuples.get(index).matches(template)) {
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result = tuples.remove(index);
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@ -175,10 +175,10 @@ public class CentralizedLinda implements Linda {
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// Wait for writing access
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requestWriting();
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// Find the tuple in the tuple list
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// Extract the tuples in the tuple list
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for (index = 0; index < tuples.size(); index++) {
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if (tuples.get(index).matches(template)) {
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results.add(tuples.get(index));
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results.add(tuples.remove(index));
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}
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}
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@ -199,7 +199,7 @@ public class CentralizedLinda implements Linda {
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// Waiting for reading access
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requestReading();
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// Find the tuple in the tuple list
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// Find the tuples in the tuple list
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for (index = 0; index < tuples.size(); index++) {
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if (tuples.get(index).matches(template)) {
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results.add(tuples.get(index));
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@ -216,7 +216,77 @@ public class CentralizedLinda implements Linda {
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}
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public void eventRegister(eventMode mode, eventTiming timing, Tuple template, Callback callback) {
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new Thread() {
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public void run() {
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Tuple result = null;
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boolean found = false;
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int index;
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// Get known tuples for FUTURE timing
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List<Tuple> knownTuples = (List<Tuple>) readAll(template);
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try {
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while (!found) {
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// Waiting for reading access
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requestReading();
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// Find the tuple in the tuple list
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for (index = 0; index < tuples.size(); index++) {
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if (tuples.get(index).matches(template)) {
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// Tuple matching
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switch (timing) {
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case IMMEDIATE:
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// Tuple found
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found = true;
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break;
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case FUTURE:
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// Is tuple unknown
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for (Tuple knownTuple : knownTuples) {
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if (knownTuple != tuples.get(index)) {
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found = true;
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break;
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}
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}
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break;
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}
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// Rebreak to end searching
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if (found) {
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break;
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}
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}
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}
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if (found) {
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// Result found
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switch (mode) {
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case READ:
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// Get it from the tuple list
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result = tuples.get(index);
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break;
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case TAKE:
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// Remove it from the tuple list
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result = tuples.remove(index);
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break;
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}
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}
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// End reading
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endReading();
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}
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// Callback with the result tuple
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callback.call(result);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}.start();
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}
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public void debug(String prefix) {
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67
linda/test/BasicTestCB.java
Normal file
67
linda/test/BasicTestCB.java
Normal file
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@ -0,0 +1,67 @@
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package linda.test;
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import linda.*;
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import linda.Linda.eventMode;
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import linda.Linda.eventTiming;
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public class BasicTestCB {
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private static Linda linda;
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private static Tuple cbmotif;
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private static class MyCallback implements Callback {
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public void call(Tuple t) {
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System.out.println("CB got " + t);
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linda.eventRegister(eventMode.TAKE, eventTiming.IMMEDIATE, cbmotif, this);
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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}
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System.out.println("CB done with " + t);
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}
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}
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public static void main(String[] a) {
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linda = new linda.shm.CentralizedLinda();
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// linda = new linda.server.LindaClient("//localhost:4000/MonServeur");
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cbmotif = new Tuple(Integer.class, String.class);
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linda.eventRegister(eventMode.READ, eventTiming.IMMEDIATE, cbmotif, new MyCallback());
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linda.debug("(1.1)");
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Tuple t1 = new Tuple(1, "a");
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System.out.println("(2) write: " + t1);
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linda.write(t1);
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linda.debug("(1.2)");
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e) {
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}
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linda.debug("(2.1)");
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Tuple t2 = new Tuple(2, "b");
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System.out.println("(2) write: " + t2);
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linda.write(t2);
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linda.debug("(2.2)");
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e) {
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}
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linda.debug("(3.1)");
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Tuple t3 = new Tuple(3, "c");
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System.out.println("(2) write: " + t3);
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linda.write(t3);
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linda.debug("(3.2)");
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e) {
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}
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}
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}
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@ -9,16 +9,16 @@ public class BasicTestCallback {
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private static Linda linda;
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private static Tuple cbmotif;
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private static class MyCallback implements Callback {
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public void call(Tuple t) {
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System.out.println("CB got "+t);
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System.out.println("CB got " + t);
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linda.eventRegister(eventMode.TAKE, eventTiming.IMMEDIATE, cbmotif, this);
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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}
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System.out.println("CB done with "+t);
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System.out.println("CB done with " + t);
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}
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}
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