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Implemented gun.on()

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This commit is contained in:
ChronosX88 2019-05-09 15:10:01 +04:00
parent 9b1b38c1d7
commit 243cc61786
6 changed files with 53 additions and 13 deletions
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18
src/main/java/io/github/chronosx88/JGUN/Dispatcher.java
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@ -9,11 +9,13 @@ import io.github.chronosx88.JGUN.storageBackends.StorageBackend;
import org.java_websocket.client.WebSocketClient;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class Dispatcher {
private final Map<String, BaseCompletableFuture<?>> pendingFutures = new ConcurrentHashMap<>();
private final Map<String, NodeChangeListener> changeListeners = new HashMap<>();
private final Peer peer;
private final StorageBackend graphStorage;
private final Dup dup;
@ -40,6 +42,7 @@ public class Dispatcher {
if(message.has("@")) {
handleIncomingAck(message);
}
peer.emit(message.toString());
}
private JSONObject handleGet(JSONObject getData) {
@ -52,7 +55,14 @@ public class Dispatcher {
}
private JSONObject handlePut(JSONObject message) {
HAM.mix(new InMemoryGraph(message.getJSONObject("put")), graphStorage);
InMemoryGraph diff = HAM.mix(new InMemoryGraph(message.getJSONObject("put")), graphStorage);
if(diff != null) {
for(Map.Entry<String, Node> entry : diff.entries()) {
if(changeListeners.containsKey(entry.getKey())) {
changeListeners.get(entry.getKey()).onChange(entry.getValue().toUserJSONObject());
}
}
}
return new JSONObject() // Acknowledgment
.put( "#", dup.track(Dup.random()) )
.put( "@", message.getString("#") )
@ -64,7 +74,7 @@ public class Dispatcher {
if(pendingFutures.containsKey(ack.getString("@"))) {
BaseCompletableFuture<?> future = pendingFutures.get(ack.getString("@"));
if(future instanceof FutureGet) {
((FutureGet) future).complete(ack.getJSONObject("put"));
((FutureGet) future).complete(new InMemoryGraph(ack.getJSONObject("put")).toUserJSONObject());
}
}
}
@ -91,4 +101,8 @@ public class Dispatcher {
peer.emit(jsonGet.toString());
}).start();
}
public void addChangeListener(String soul, NodeChangeListener listener) {
changeListeners.put(soul, listener);
}
}

4
src/main/java/io/github/chronosx88/JGUN/Node.java
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@ -73,4 +73,8 @@ public class Node implements Comparable<Node> {
soul = metadata.getJSONObject("_").getString("#");
states = metadata.getJSONObject("_").getJSONObject(">");
}
public JSONObject toUserJSONObject() {
return values;
}
}

8
src/main/java/io/github/chronosx88/JGUN/NodeChangeListener.java Normal file
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@ -0,0 +1,8 @@
package io.github.chronosx88.JGUN;
import org.json.JSONObject;
@FunctionalInterface
public interface NodeChangeListener {
void onChange(JSONObject node);
}

4
src/main/java/io/github/chronosx88/JGUN/PathRef.java
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@ -95,4 +95,8 @@ public class PathRef {
dispatcher.sendPutRequest(futurePut.getFutureID(), temp);
return futurePut;
}
public void on(NodeChangeListener changeListener) {
dispatcher.addChangeListener(String.join("/", path), changeListener);
}
}

24
src/main/java/io/github/chronosx88/JGUN/examples/MainClientServer.java
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@ -21,25 +21,27 @@ public class MainClientServer {
} catch (UnknownHostException e) {
e.printStackTrace();
}
gun.get("random").on(data -> {
if(data != null) {
System.out.println("New change in \"random\"! " + data.toString(2));
}
});
gun.get("random").get("dVFtzE9CL").on(data -> {
if(data != null) {
System.out.println("New change in \"random/dVFtzE9CL\"! " + data.toString(2));
} else {
System.out.println("Now random/dVFtzE9CL is null!");
}
});
FuturePut futurePut = gun.get("random").get("dVFtzE9CL").put(new JSONObject().put("hello", "world"));
boolean success = futurePut.await();
System.out.println("[FuturePut] Success: " + success);
FutureGet futureGet = gun.get("random").get("dVFtzE9CL").getData();
JSONObject result = futureGet.await();
System.out.println("[FutureGet] Result of get: " + result.toString(2));
FuturePut futurePut1 = gun.get("random").get("dVFtzE9CL").put(new JSONObject().put("hello", "123"));
System.out.println("[FuturePut1] Putting an item again: " + futurePut1.await());
FutureGet futureGet1 = gun.get("random").get("dVFtzE9CL").getData();
JSONObject result1 = futureGet1.await();
System.out.println("[FutureGet] Result of get: " + result1.toString(2));
System.out.println("Deleting an item random/dVFtzE9CL");
gun.get("random").get("dVFtzE9CL").put(null).await();
JSONObject resultNull = gun.get("random").get("dVFtzE9CL").getData().await();
if(resultNull == null) {
System.out.println("Now random/dVFtzE9CL is null!");
}
gun.get("random").put(new JSONObject().put("hello", "world")).await();
System.out.println(gun.get("random").getData().await().toString(2));
}).start();
}

8
src/main/java/io/github/chronosx88/JGUN/storageBackends/InMemoryGraph.java
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@ -63,6 +63,14 @@ public class InMemoryGraph implements StorageBackend {
return jsonObject;
}
public JSONObject toUserJSONObject() {
JSONObject jsonObject = new JSONObject();
for(Map.Entry<String, Node> entry : nodes.entrySet()) {
jsonObject.put(entry.getKey(), entry.getValue().toUserJSONObject());
}
return jsonObject;
}
public boolean isEmpty() {
return nodes.isEmpty();
}