Example usage for java.util.concurrent ArrayBlockingQueue put

Introduction

In this page you can find the example usage for java.util.concurrent ArrayBlockingQueue put.

Prototype

public void put(E e) throws InterruptedException 

Source Link

Document

Inserts the specified element at the tail of this queue, waiting for space to become available if the queue is full.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    List<Integer> list = new ArrayList<Integer>();

    int capacity = 100;
    ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity);
    queue.put(0);
    queue.put(1);//from w  ww .  jav  a2 s  .co  m
    queue.put(2);
    queue.drainTo(list, 3);
    System.out.println(queue);
    System.out.println(list);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    List<Integer> list = new ArrayList<Integer>();

    int capacity = 100;
    ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity);
    queue.put(0);
    queue.put(1);/*from w ww  .j av  a 2 s  .  c om*/
    queue.put(2);
    queue.drainTo(list);
    System.out.println(queue);
    System.out.println(list);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    List<Integer> list = Arrays.asList(new Integer[] { 0, 1, 2, 3 });

    int capacity = 100;
    ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity, true, list);
    queue.put(0);
    queue.put(1);/*from w  ww  .  ja v a  2 s  .  c om*/
    queue.put(2);
    System.out.println(queue);
    System.out.println(list);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    int capacity = 10;
    ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity);

    int numWorkers = 2;
    Worker[] workers = new Worker[numWorkers];
    for (int i = 0; i < workers.length; i++) {
        workers[i] = new Worker(queue);
        workers[i].start();/*from  www  .  j a  va 2s.  c om*/
    }

    for (int i = 0; i < 100; i++) {
        queue.put(i);
    }
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    int capacity = 10;
    ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity, false);

    int numWorkers = 2;
    Worker[] workers = new Worker[numWorkers];
    for (int i = 0; i < workers.length; i++) {
        workers[i] = new Worker(queue);
        workers[i].start();//from www . java  2  s  . co m
    }

    for (int i = 0; i < 100; i++) {
        queue.put(i);
    }
}

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From source file:code.google.nfs.rpc.client.AbstractClient.java

/**
 * receive response// w w  w  . j a  v a2  s.co  m
 */
public void putResponse(ResponseWrapper wrapper) throws Exception {
    if (!responses.containsKey(wrapper.getRequestId())) {
        LOGGER.warn("give up the response,request id is:" + wrapper.getRequestId() + ",maybe because timeout!");
        return;
    }
    try {
        ArrayBlockingQueue<Object> queue = responses.get(wrapper.getRequestId());
        if (queue != null) {
            queue.put(wrapper);
        } else {
            LOGGER.warn(
                    "give up the response,request id is:" + wrapper.getRequestId() + ",because queue is null");
        }
    } catch (InterruptedException e) {
        LOGGER.error("put response error,request id is:" + wrapper.getRequestId(), e);
    }
}

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From source file:code.google.nfs.rpc.client.AbstractClient.java

/**
 * receive responses/*from   w  w w . jav  a2s.c o  m*/
 */
public void putResponses(List<ResponseWrapper> wrappers) throws Exception {
    for (ResponseWrapper wrapper : wrappers) {
        if (!responses.containsKey(wrapper.getRequestId())) {
            LOGGER.warn(
                    "give up the response,request id is:" + wrapper.getRequestId() + ",maybe because timeout!");
            continue;
        }
        try {
            ArrayBlockingQueue<Object> queue = responses.get(wrapper.getRequestId());
            if (queue != null) {
                queue.put(wrappers);
                break;
            } else {
                LOGGER.warn("give up the response,request id is:" + wrapper.getRequestId()
                        + ",because queue is null");
            }
        } catch (InterruptedException e) {
            LOGGER.error("put response error,request id is:" + wrapper.getRequestId(), e);
        }
    }
}

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From source file:com.taobao.common.tfs.comm.TfsClient.java

protected void putResponse(Integer requestId, Object response) throws TfsException {
    if (responses.containsKey(requestId)) {
        try {/* w ww  .  j a v  a 2 s.c om*/
            ArrayBlockingQueue<Object> queue = responses.get(requestId);
            if (queue != null) {
                queue.put(response);
                if (isDebugEnabled) {
                    log.debug("put response [" + requestId + "],time is:" + System.currentTimeMillis());
                }
            } else if (isDebugEnabled) {
                log.debug("give up the response, maybe because timeout, requestId is:" + requestId);
            }

        } catch (InterruptedException e) {
            throw new TfsException("put response error", e);
        }
    } else {
        log.warn("give up the response, invalid request Id: " + requestId);
    }
}

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From source file:com.taobao.tair.comm.TairClient.java

protected void putResponse(Integer requestId, Object response) throws TairClientException {
    if (responses.containsKey(requestId)) {
        try {//from w w  w .ja  v a2s .co m
            ArrayBlockingQueue<Object> queue = responses.get(requestId);
            if (queue != null) {
                queue.put(response);
                if (isDebugEnabled) {
                    LOGGER.debug("put response [" + requestId + "],time is:" + System.currentTimeMillis());
                }
            } else if (isDebugEnabled) {
                LOGGER.debug("give up the response,maybe because timeout,requestId is:" + requestId);
            }

        } catch (InterruptedException e) {
            throw new TairClientException("put response error", e);
        }
    } else {
        if (isDebugEnabled)
            LOGGER.debug("give up the response,maybe because timeout,requestId is:" + requestId);
    }
}

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From source file:gsn.vsensor.RVirtualSensor.java

public void dataAvailable(String inputStreamName, StreamElement streamElement) {
    ArrayBlockingQueue<StreamElement> circularBuffer = circularBuffers.get(inputStreamName);

    // Get the circular buffer that matches the input stream. Create a new one
    // if none exists
    if (circularBuffer == null) {
        circularBuffer = new ArrayBlockingQueue<StreamElement>(windowSize);
        circularBuffers.put(inputStreamName, circularBuffer);
    }//from  w w  w.j a v a  2  s .c o m
    try {
        circularBuffer.put(streamElement);

        logger.debug(
                "Window for " + inputStreamName + " contains: " + circularBuffer.size() + " of " + windowSize);

        if (circularBuffer.size() == windowSize) {
            logger.info("Window for " + inputStreamName + " contains: " + circularBuffer.size() + " of "
                    + windowSize);

            // Connect to Rserve and assign global variables
            try {
                rc = new RConnection(params.get(SERVER), Integer.parseInt(params.get(PORT)));

                logger.info("Connected to R server " + params.get(SERVER) + ":" + params.get(PORT));

                String[] fieldname = streamElement.getFieldNames();

                logger.info("Sending " + fieldname.length + " data attributes to R server.");

                // Assign R vector variables prior the script
                for (int n = 0; n < fieldname.length; n++) {
                    // Build the window
                    double[] values = new double[windowSize];
                    StreamElement elt = null;

                    // convert the circular buffer to an array
                    Object[] elts = circularBuffer.toArray();
                    for (int i = 0; i < elts.length; i++) {
                        elt = (StreamElement) elts[i];
                        values[i] = ((Number) elt.getData()[n]).doubleValue(); //
                    }

                    // assign vectors as R variables
                    rc.assign("gsn_" + fieldname[n].toLowerCase(), values);
                }

                logger.info("Done.");

                // read the R script
                // open the script file every time we do some processing (this can be
                // improved).
                File file = new File(params.get(SCRIPT).toString());
                script = FileUtils.readFileToString(file, "UTF-8");

                logger.info("Sending R script.");

                // evaluate the R script
                rc.voidEval(script);
                logger.info("Done.");

                // get the output timestamp
                logger.info("Performing computation in R server (please wait).");

                // collect vector values after computation
                DataField[] outStructure = null;

                outStructure = getVirtualSensorConfiguration().getOutputStructure();

                String[] plotFieldName = new String[outStructure.length];
                Byte[] plotFieldType = new Byte[outStructure.length];

                for (int w = 0; w < outStructure.length; w++) {
                    plotFieldName[w] = outStructure[w].getName();
                    plotFieldType[w] = outStructure[w].getDataTypeID();
                }

                Serializable[] outputData = null;
                StreamElement se = null;

                Byte[] fieldType = streamElement.getFieldTypes();

                // check if we have defined more attributes in the output structure
                if (outStructure.length > fieldname.length) {
                    outputData = new Serializable[outStructure.length];
                } else {
                    outputData = new Serializable[fieldname.length];
                }

                for (int n = 0; n < fieldname.length; n++) {
                    // evaluate/get attribute data from R server
                    xp = rc.parseAndEval(fieldname[n].toLowerCase());

                    if (fieldType[n] == DataTypes.DOUBLE) {
                        double[] b1 = xp.asDoubles();
                        outputData[n] = b1[b1.length - 1];
                    }

                    if (fieldType[n] == DataTypes.INTEGER) {
                        int[] b1 = xp.asIntegers();
                        outputData[n] = b1[b1.length - 1];
                    }

                    if (fieldType[n] == DataTypes.BIGINT) {
                        int[] b1 = xp.asIntegers();
                        outputData[n] = (long) b1[b1.length - 1];
                    }
                }

                int len1 = outStructure.length;
                int len2 = fieldname.length;

                // check if we have defined more attributes in the output structure
                if (len1 > len2) {
                    if (stype.equals("plot")) {
                        xp = rc.parseAndEval("gsn_plot");
                        outputData[len2] = xp.asBytes();

                        se = new StreamElement(plotFieldName, plotFieldType, outputData);
                    }
                } else {
                    se = new StreamElement(fieldname, fieldType, outputData);
                }

                logger.info("Computation finished.");

                dataProduced(se);
                logger.debug("Stream published: " + se.toString().toLowerCase());

                // Close connection to R server
                rc.close();
                logger.info("Connection to R server closed.");

            } catch (Exception e) {
                logger.warn(e.getMessage());
                // Close connection to R server
                logger.info("Connection to R server closed.");
                rc.close();
            }

            // Remove step size elements from the beginning of the buffer
            for (int i = 0; i < stepSize; i++) {
                try {
                    circularBuffer.take();
                } catch (InterruptedException e) {
                    logger.warn(e.getMessage(), e);
                }
            }

        }

        // end if if for window
    } catch (InterruptedException e) {
        logger.warn(e.getMessage(), e);
    }

}

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