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Code Issues Releases Wiki Activity

Add javadoc to SynchronizationPoint

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This commit is contained in:
Florian Schmaus 2015-04-06 17:37:45 +02:00
parent 5597b1ffc0
commit 57fa631480
1 changed files with 57 additions and 1 deletions
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58
smack-core/src/main/java/org/jivesoftware/smack/SynchronizationPoint.java
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@ -1,6 +1,6 @@
/**
*
* Copyright © 2014 Florian Schmaus
* Copyright © 2014-2015 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -41,6 +41,11 @@ public class SynchronizationPoint<E extends Exception> {
private State state;
private E failureException;
/**
* Construct a new synchronization point for the given connection.
*
* @param connection the connection of this synchronization point.
*/
public SynchronizationPoint(AbstractXMPPConnection connection) {
this.connection = connection;
this.connectionLock = connection.getConnectionLock();
@ -48,6 +53,9 @@ public class SynchronizationPoint<E extends Exception> {
init();
}
/**
* Initialize (or reset) this synchronization point.
*/
public void init() {
connectionLock.lock();
state = State.Initial;
@ -55,6 +63,13 @@ public class SynchronizationPoint<E extends Exception> {
connectionLock.unlock();
}
/**
* Send the given top level stream element and wait for a response.
*
* @param request the plain stream element to send.
* @throws NoResponseException if no response was received.
* @throws NotConnectedException if the connection is not connected.
*/
public void sendAndWaitForResponse(TopLevelStreamElement request) throws NoResponseException,
NotConnectedException {
assert (state == State.Initial);
@ -79,6 +94,14 @@ public class SynchronizationPoint<E extends Exception> {
checkForResponse();
}
/**
* Send the given plain stream element and wait for a response.
*
* @param request the plain stream element to send.
* @throws E if an failure was reported.
* @throws NoResponseException if no response was received.
* @throws NotConnectedException if the connection is not connected.
*/
public void sendAndWaitForResponseOrThrow(PlainStreamElement request) throws E, NoResponseException,
NotConnectedException {
sendAndWaitForResponse(request);
@ -93,6 +116,11 @@ public class SynchronizationPoint<E extends Exception> {
}
}
/**
* Check if this synchronization point is successful or wait the connections reply timeout.
* @throws NoResponseException if there was no response marking the synchronization point as success or failed.
* @throws E if there was a failure
*/
public void checkIfSuccessOrWaitOrThrow() throws NoResponseException, E {
checkIfSuccessOrWait();
if (state == State.Failure) {
@ -100,6 +128,10 @@ public class SynchronizationPoint<E extends Exception> {
}
}
/**
* Check if this synchronization point is successful or wait the connections reply timeout.
* @throws NoResponseException if there was no response marking the synchronization point as success or failed.
*/
public void checkIfSuccessOrWait() throws NoResponseException {
connectionLock.lock();
try {
@ -114,6 +146,9 @@ public class SynchronizationPoint<E extends Exception> {
checkForResponse();
}
/**
* Report this synchronization point as successful.
*/
public void reportSuccess() {
connectionLock.lock();
try {
@ -129,6 +164,11 @@ public class SynchronizationPoint<E extends Exception> {
reportFailure(null);
}
/**
* Report this synchronization point as failed because of the given exception.
*
* @param failureException the exception causing this synchronization point to fail.
*/
public void reportFailure(E failureException) {
connectionLock.lock();
try {
@ -141,6 +181,11 @@ public class SynchronizationPoint<E extends Exception> {
}
}
/**
* Check if this synchronization point was successful.
*
* @return true if the synchronization point was successful, false otherwise.
*/
public boolean wasSuccessful() {
connectionLock.lock();
try {
@ -151,6 +196,11 @@ public class SynchronizationPoint<E extends Exception> {
}
}
/**
* Check if this synchronization point has its request already sent.
*
* @return true if the request was already sent, false otherwise.
*/
public boolean requestSent() {
connectionLock.lock();
try {
@ -161,6 +211,12 @@ public class SynchronizationPoint<E extends Exception> {
}
}
/**
* Wait for the condition to become something else as {@link State#RequestSent} or {@link State#Initial}.
* {@link #reportSuccess()}, {@link #reportFailure()} and {@link #reportFailure(Exception)} will either set this
* synchronization point to {@link State#Success} or {@link State#Failure}. If none of them is set after the
* connections reply timeout, this method will set the state of {@link State#NoResponse}.
*/
private void waitForConditionOrTimeout() {
long remainingWait = TimeUnit.MILLISECONDS.toNanos(connection.getPacketReplyTimeout());
while (state == State.RequestSent || state == State.Initial) {