Example usage for java.util ArrayList remove

Introduction

In this page you can find the example usage for java.util ArrayList remove.

Prototype

public boolean remove(Object o)

Source Link

Document

Removes the first occurrence of the specified element from this list, if it is present.

Usage

From source file:co.carlosandresjimenez.gotit.backend.controller.GotItSvc.java

@RequestMapping(value = ANSWER_PATH, method = RequestMethod.POST)
public @ResponseBody int saveAnswers(@RequestBody ArrayList<Answer> answers, HttpServletRequest request) {

    if (answers == null || answers.isEmpty()) {
        return RESPONSE_STATUS_NOT_SAVED;
    }/* ww  w .  j a v  a2  s  .  c om*/

    Checkin checkin;
    String email = (String) request.getAttribute("email");

    if (email == null || email.isEmpty()) {
        return RESPONSE_STATUS_AUTH_REQUIRED;
    }

    int lastAnswerPosition = answers.size() - 1;
    Answer lastAnswer = answers.get(lastAnswerPosition);

    try {
        checkin = checkinRepository.save(
                new Checkin(null, email, Utility.getDatetime(), Boolean.parseBoolean(lastAnswer.getValue())));
    } catch (JDOException e) {
        e.printStackTrace();
        return RESPONSE_STATUS_NOT_SAVED;
    }

    answers.remove(lastAnswerPosition);

    for (Answer answer : answers) {
        answer.setCheckinId(checkin.getCheckinId());
    }

    ArrayList<Answer> result;

    try {
        result = (ArrayList<Answer>) answerRepository.save(answers);
    } catch (JDOException e) {
        e.printStackTrace();
        return RESPONSE_STATUS_NOT_SAVED;
    }

    if (result == null || result.isEmpty()) {
        return RESPONSE_STATUS_NOT_SAVED;
    }

    if (result.size() != answers.size()) {
        return RESPONSE_STATUS_NOT_SAVED;
    }

    return RESPONSE_STATUS_OK;
}

From source file:com.twinsoft.convertigo.engine.ContextManager.java

public void remove(Context context) {
    if (context == null) {
        // Silently ignore
        Engine.logContextManager.warn("The context cannot be removed because it does not exist any more!");
        return;/*from w  w w  . j ava 2 s .com*/
    }

    // To prevent from deadlock, we must synchronize on the context itself (see #3048)
    // to avoid another request thread to try to use the context simultaneously.
    // This lock must occur BEFORE acquiring lock the the contexts table.
    synchronized (context) {
        String contextID = context.contextID;
        Engine.logContextManager.info("Removing context " + contextID);

        synchronized (contexts) {
            contexts.remove(contextID);
        }

        context.isDestroying = true;

        if ((context.requestedObject != null) && (context.requestedObject.runningThread != null)) {
            Engine.logContextManager.debug("Stopping requestable thread for context " + contextID);
            //context.requestedObject.runningThread.bContinue = false;
            context.abortRequestable();
        }

        // Trying to execute the end transaction (only in the engine mode)
        if ((Engine.isEngineMode()) && (context.getConnector() != null)) {
            // Execute the end transaction
            String endTransactionName = "n/a";
            try {
                endTransactionName = context.getConnector().getEndTransactionName();
                if ((endTransactionName != null) && (!endTransactionName.equals(""))) {
                    Engine.logContextManager
                            .debug("Trying to execute the end transaction: \"" + endTransactionName + "\"");
                    context.transactionName = endTransactionName;
                    DefaultRequester defaultRequester = new DefaultRequester();
                    // #4910 - prevent loop for destroying context renew
                    context.isDestroying = false;
                    defaultRequester.processRequest(context);
                    Engine.logContextManager.debug("End transaction successfull");
                }
            } catch (Throwable e) {
                Engine.logContextManager.error("Unable to execute the end transaction; " + "context: "
                        + context.contextID + ", " + "project: " + context.projectName + ", " + "connector: "
                        + context.connectorName + ", " + "end transaction: " + endTransactionName, e);
            } finally {
                context.isDestroying = true;
            }
            // Unlocks device if any
            // WARNING: removing the device pool MUST BE DONE AFTER the end transaction!!!
            String connectorQName = context.getConnector().getQName();
            DevicePool devicePool = getDevicePool(connectorQName);
            if (devicePool != null) {
                long contextNum = (Long.valueOf(Integer.toString(context.contextNum, 10))).longValue();
                Engine.logContextManager.trace("DevicePool for '" + connectorQName
                        + "' exist: unlocking device for context number " + contextNum + ".");
                devicePool.unlockDevice(contextNum);
            }
        }
        if (Engine.isEngineMode()) {
            for (final Connector connector : context.getOpenedConnectors()) {
                Engine.logContextManager.trace("Releasing " + connector.getName() + " connector ("
                        + connector.getClass().getName() + ") for context id " + context.contextID);
                Thread th = new Thread(new Runnable() {
                    public void run() {
                        connector.release();
                    }
                });
                th.setDaemon(true);
                th.start();
            }
        }

        context.clearConnectors();

        // Set TwsCachedXPathAPI to null
        context.cleanXpathApi();

        Engine.theApp.sessionManager.removeSession(contextID);
        String projectName = (String) context.projectName;

        /* Fix: #1754 - Slower transaction execution with many session */
        // HTTP session maintain its own context list in order to
        // improve context removal on session unbound process
        // See also #4198 which fix a regression
        String sessionID = context.httpSession != null ? context.httpSession.getId()
                : context.contextID.substring(0, context.contextID.indexOf("_"));
        HttpSession httpSession = HttpSessionListener.getHttpSession(sessionID);
        if (httpSession != null) {
            synchronized (httpSession) {
                try {
                    ArrayList<Context> contextList = GenericUtils.cast(httpSession.getAttribute("contexts"));
                    if ((contextList != null) && contextList.contains(context)) {
                        contextList.remove(context);
                        Engine.logContextManager.debug("(ContextManager) context " + contextID
                                + " has been removed from http session's context list");
                    }
                    httpSession.setAttribute("contexts", contextList);
                } catch (Exception e) {
                    // Ignore: HTTP session may have already been invalidated
                }
            }
        }

        Engine.logContextManager.debug("Context " + contextID + " has been removed");
        Engine.logContext.debug("[" + contextID + "] Context removed, project: " + projectName);
        Engine.logContextManager.info("Current in-use contexts: " + contexts.size());
        Engine.logUsageMonitor.info("[Contexts] Current in-use contexts: " + contexts.size());
    }
}

From source file:edu.isi.wings.catalog.component.api.impl.kb.ComponentReasoningKB.java

private void setInvocationArguments(ComponentInvocation invocation, KBObject arg, Variable var,
        boolean isInput) {

    HashMap<String, KBObject> dmap = this.dataPropMap;
    KBObject defaultValue = this.kb.getPropertyValue(arg, dmap.get("hasValue"));
    KBObject prefixobj = this.kb.getPropertyValue(arg, dmap.get("hasArgumentName"));
    String prefix = (String) prefixobj.getValue();

    ArrayList<Binding> bindings = new ArrayList<Binding>();
    bindings.add(var.getBinding());
    while (!bindings.isEmpty()) {
        Binding b = bindings.remove(0);
        // System.out.println(var.getName() + ":" + b);
        if (b.isSet()) {
            for (WingsSet s : b) {
                bindings.add((Binding) s);
            }/*from w ww  .  j  a  va2 s.  c o m*/
        } else {
            if (var.isDataVariable()) {
                invocation.addArgument(prefix, b, var.getID(), isInput);
            } else if (var.isParameterVariable()) {
                if (var.getBinding() != null) {
                    invocation.addArgument(prefix, ((ValueBinding) var.getBinding()).getValueAsString(),
                            var.getID(), isInput);
                } else if (defaultValue != null && defaultValue.getValue() != null) {
                    invocation.addArgument(prefix, defaultValue.getValueAsString(), var.getID(), isInput);
                }
            }
        }
    }
}

From source file:net.sourceforge.mipa.predicatedetection.lattice.WindowedLatticeChecker.java

private void grow(AbstractLatticeIDNode node, int id) {
    ArrayList<AbstractLatticeIDNode> set = new ArrayList<AbstractLatticeIDNode>();
    set.add(node);//w  w  w . j a  v  a  2  s  .  c  om
    while (!set.isEmpty()) {
        AbstractLatticeIDNode newNode = set.remove(0);
        String ID = StringUtils.join(newNode.getID(), ' ');
        if (mappedLattice.get(ID) == null) {
            mappedLattice.put(ID, newNode);
            if (DEBUG) {
                long time_t = (new Date()).getTime();
                outConstruction.println("[In]" + ID);
                outConstruction.flush();
                wastedTime += (new Date()).getTime() - time_t;
            }
            ArrayList<AbstractLatticeIDNode> prec = prec(newNode, id);
            ArrayList<AbstractLatticeIDNode> sub = sub(newNode, id);
            if (prec.size() == 0) {
                minCGS = newNode;
            }
            if (sub.size() == 0) {
                maxCGS = newNode;
            }
            for (int i = 0; i < prec.size(); i++) {
                String ind = StringUtils.join(prec.get(i).getID(), ' ');
                if (mappedLattice.get(ind) == null) {
                    if (!set.contains(prec.get(i))) {
                        set.add(prec.get(i));
                    }
                }
            }
            for (int i = 0; i < sub.size(); i++) {
                String ind = StringUtils.join(sub.get(i).getID(), ' ');
                if (mappedLattice.get(ind) == null) {
                    if (!set.contains(sub.get(i))) {
                        set.add(sub.get(i));
                    }
                }
            }
        }
    }
}

From source file:com.chinamobile.bcbsp.comm.DiskManager.java

/**
 * Save messages of every partition on disk.
 * @param msgList/*from ww  w.  ja v a  2 s  .c o m*/
 * @param superStep
 * @param srcPartitionDstBucket
 * @throws IOException e
 */
public void processMessagesSave(ArrayList<IMessage> msgList, int superStep, int srcPartitionDstBucket)
        throws IOException {
    int count = msgList.size();
    int bucket = PartitionRule.getBucket(srcPartitionDstBucket);
    int srcPartition = PartitionRule.getPartition(srcPartitionDstBucket);
    String fileName = "srcPartition-" + srcPartition + "_" + "counter" + "-" + counter[srcPartitionDstBucket]++
            + "_" + "count" + "-" + count;
    String tmpPath = DiskManager.workerDir + "/" + "superstep-" + superStep + "/" + "bucket-" + bucket;
    File tmpFile = new File(tmpPath);
    if (!tmpFile.exists()) {
        tmpFile.mkdirs();
    }
    String url = new File(tmpFile, fileName).toString();
    // SpillingDiskOutputBuffer writeBuffer = new SpillingDiskOutputBuffer(url);
    FileOutputStream fot = new FileOutputStream(new File(url));
    BufferedOutputStream bos = new BufferedOutputStream(fot, MetaDataOfMessage.MESSAGE_IO_BYYES);
    DataOutputStream dos = new DataOutputStream(bos);
    for (int i = 0; i < count; i++) {
        msgList.remove(0).write(dos);
    }
    dos.close();
}

From source file:FastArrayList.java

/**
 * Remove the element at the specified position in the list, and shift
 * any subsequent elements down one position.
 *
 * @param index Index of the element to be removed
 *
 * @exception IndexOutOfBoundsException if the index is out of range
 *//*from   w  w  w  .j  a  v  a  2s. c om*/
public Object remove(int index) {

    if (fast) {
        synchronized (this) {
            ArrayList temp = (ArrayList) list.clone();
            Object result = temp.remove(index);
            list = temp;
            return (result);
        }
    } else {
        synchronized (list) {
            return (list.remove(index));
        }
    }

}

From source file:FastArrayList.java

/**
 * Remove the first occurrence of the specified element from the list,
 * and shift any subsequent elements down one position.
 *
 * @param element Element to be removed//w w  w  . j ava 2 s. c  o m
 */
public boolean remove(Object element) {

    if (fast) {
        synchronized (this) {
            ArrayList temp = (ArrayList) list.clone();
            boolean result = temp.remove(element);
            list = temp;
            return (result);
        }
    } else {
        synchronized (list) {
            return (list.remove(element));
        }
    }

}

From source file:hotbeans.support.FileSystemHotBeanModuleRepository.java

/**
 * Checks for module updates.//from   w  ww . j a  va 2s  . c o m
 */
protected void checkForModuleUpdates() {
    Log logger = this.getLog();
    if (logger.isDebugEnabled())
        logger.debug("Checking for updated modules in path '" + this.moduleRepositoryDirectory + "'.");

    synchronized (super.getLock()) {
        RepositoryFileLock fileLock = null;
        try {
            fileLock = this.obtainRepositoryFileLockNoRetries(true); // Obtain lock without retries since this method
                                                                     // will be executed again in the
                                                                     // near future...

            File[] moduleDirectories = this.moduleRepositoryDirectory.listFiles();
            ArrayList activeModuleNames = new ArrayList(Arrays.asList(super.getHotBeanModuleNames()));

            if (moduleDirectories != null) {
                String moduleName;

                for (int i = 0; i < moduleDirectories.length; i++) {
                    if (moduleDirectories[i].isDirectory()) {
                        moduleName = moduleDirectories[i].getName();

                        if (moduleName != null) {
                            activeModuleNames.remove(moduleName);
                            this.checkModuleDirectory(moduleName, moduleDirectories[i]);
                        }
                    }
                }
            }

            // Check for deleted modules...
            Iterator deletedModulesIterator = activeModuleNames.iterator();
            // HotBeanModule module;
            HotBeanModuleType moduleType;

            while (deletedModulesIterator.hasNext()) {
                moduleType = super.getHotBeanModuleType((String) deletedModulesIterator.next());
                if (moduleType != null)
                    moduleType.setRemoveType(true); // Set remove flag of type
            }
        } catch (Exception e) {
            logger.error("Error checking for updated modules - " + e + "!", e);
            // TODO: Handle/log exception
        } finally {
            this.releaseRepositoryFileLock(fileLock);
            fileLock = null;
        }
    }
}

From source file:br.unicamp.cst.learning.QLearning.java

/**
* Selects the best action for this state with probability "e", 
* and a random one with probability (1-e) 
*  If a given state has no record of one or more actions, it will consider them as valued 0.
* @param state//from   w w w .  ja v  a 2  s .  com
* @param e
 * @return selectedAction
*/
public String getAction(String state) {//TODO should improve this. It should consider all non explored actions as being equally 0 for all purposes
    //      System.out.println("Inside get action");
    String selectedAction = null;
    if (r.nextDouble() <= e) { //TODO Use boltzmann distribution here?
        //         if(ql.getAction(stringState)!=null){
        //            action=ql.getAction(stringState);//
        //-----

        if (this.Q.get(state) != null) {
            ArrayList<String> actionsLeft = new ArrayList<String>();
            actionsLeft.addAll(this.actionsList);
            HashMap<String, Double> actionsQ = this.Q.get(state);
            double bestQval = -Double.POSITIVE_INFINITY;
            Iterator<Entry<String, Double>> it = actionsQ.entrySet().iterator();

            while (it.hasNext()) {
                Entry<String, Double> pairs = it.next();
                double qVal = pairs.getValue();
                String qAct = pairs.getKey();
                if (qVal > bestQval) {
                    bestQval = qVal;
                    selectedAction = qAct;
                }
                actionsLeft.remove(qAct);
            }
            if ((bestQval < 0) && (actionsLeft.size() > 0)) {
                //this means we should randomly choose from the other actions;
                selectedAction = selectRandomAction(actionsLeft);
            }
            if (showDebugMessages) {
                System.out.println("Selected the best available action.");
            }
        } else {
            //            System.out.println("Inside else null");
            //               selectedAction=null;
            selectedAction = selectRandomAction(actionsList);
            if (showDebugMessages) {
                System.out.println("Selected a random action because there was no available suggestion.");
            }
        }

        //         }else{
        //            action=selectRandomAction();
        //         }
    } else {
        if (showDebugMessages) {
            System.out.println("Naturally selected a random action.");
        }
        selectedAction = selectRandomAction(actionsList);
    }
    return selectedAction;
}

From source file:net.sf.xmm.moviemanager.gui.DialogIMDbMultiAdd.java

/**
 * Takes all the media files in a Files object and generated a string 
 * listing all the files categorized by parent directory.
 *//*  w w  w. java  2 s. c  om*/
void setFileLocationContent() {

    if (multiAddFile != null && multiAddFile.getFile() != null) {

        int height = 0;

        ArrayList<Files> files = multiAddFile.getFiles();
        String str = "";

        while (files.size() > 0) {

            String parent = files.get(0).getParent();

            if (str.length() > 0)
                str += SysUtil.getLineSeparator();

            // Show directory of the file(s)
            str += parent + SysUtil.getDirSeparator();
            height++;

            int fileNumber = 1;

            for (int i = 0; i < files.size(); i++) {

                // Find all files in the current parent
                if (files.get(i).getParent().equals(parent)) {
                    height++;
                    str += SysUtil.getLineSeparator()
                            + String.format("  %-3d - %s", fileNumber++, files.get(i).getName());
                    files.remove(i);
                    i--;
                }
            }
        }
        fileLocation.setText(str);
        fileLocation.setRows(height);
    }
}