Java Code Examples for java.nio.channels.CompletionHandler#completed()

/**
 * Main entry point from caller.
 */
@Override
public <A> void read(ByteBuffer dest, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> hdlr) {
    try {
        if (this.handler != null) {
            hdlr.completed(0, null);
        }
        this.handler = hdlr;
        this.dst = dest;
        if (this.clearTextBuffer.hasRemaining()) {
            // copy any remaining data directly to client
            dispatchData();
        } else if (this.cipherTextBuffer.hasRemaining()) {
            // otherwise, decrypt ciphertext data remaining from last time
            decryptAndDispatch();
        } else {
            // otherwise, issue a new read request
            this.cipherTextBuffer.clear();
            this.channel.read(this.cipherTextBuffer, null, this);
        }
    } catch (Throwable ex) {
        hdlr.failed(ex, null);
    }
}
 

/**
 * Main entry point from caller.
 */
@Override
public <A> void read(ByteBuffer dest, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> hdlr) {
    try {
        if (this.handler != null) {
            hdlr.completed(0, null);
        }
        this.handler = hdlr;
        this.dst = dest;
        if (this.clearTextBuffer.hasRemaining()) {
            // copy any remaining data directly to client
            dispatchData();
        } else if (this.cipherTextBuffer.hasRemaining()) {
            // otherwise, decrypt ciphertext data remaining from last time
            decryptAndDispatch();
        } else {
            // otherwise, issue a new read request
            this.cipherTextBuffer.clear();
            this.channel.read(this.cipherTextBuffer, null, this);
        }
    } catch (Throwable ex) {
        hdlr.failed(ex, null);
    }
}
 

/**
 * Completion handler for a read. Prepare the buffer for decryption and continue with {@link #decryptAndDispatch()}.
 */
public void completed(Integer result, Void attachment) {
    if (result < 0) {
        CompletionHandler<Integer, ?> h = this.handler;
        this.handler = null;
        h.completed(result, null);
        return;
    }
    this.cipherTextBuffer.flip();
    decryptAndDispatch();
}
 

public void send(XMessage message, CompletionHandler<Long, Void> callback) {
    synchronized (this.waitingAsyncOperationMonitor) {
        MessageLite msg = message.getMessage();
        try {
            send(message);
            long result = 4 + 1 + msg.getSerializedSize();
            callback.completed(result, null);
        } catch (Throwable t) {
            callback.failed(t, null);
        }
    }
}
 

/**
 * Completion handler for a read. Prepare the buffer for decryption and continue with {@link #decryptAndDispatch()}.
 * 
 * @param result
 *            number of processed bytes
 * @param attachment
 *            Void
 */
public void completed(Integer result, Void attachment) {
    if (result < 0) {
        CompletionHandler<Integer, ?> h = this.handler;
        this.handler = null;
        h.completed(result, null);
        return;
    }
    this.cipherTextBuffer.flip();
    decryptAndDispatch();
}
 

public void queryResult(CompletionHandler<String, SncpTestBean> handler, @RpcAttachment SncpTestBean bean) {
    System.out.println(Thread.currentThread().getName() + " handler 运行了queryResult方法");
    if (handler != null) handler.completed("result: " + bean, bean);
}
 

public void ccCurrentTime(final CompletionHandler<RetResult<String>, Void> handler, final String name) {
    String rs = "异步ccCurrentTime: " + name + ": " + Utility.formatTime(System.currentTimeMillis());
    System.out.println("执行了 CService.ccCurrentTime----异步方法");
    if (handler != null) handler.completed(new RetResult(rs), null);
}
 

@RestMapping(name = "asyncfind2")
public void asyncFindHello(CompletionHandler hander, @RestParam(name = "#") int id) {  //通过 /pipes/hello/find/1234、/pipes/hello/jsfind/1234 查询对象
    if (source != null) source.findAsync(HelloEntity.class, id);
    System.out.println("-----------进入asyncfind2--------" + hander);
    hander.completed(new HelloEntity(id), id);
}