Example usage for java.util ListIterator previous

Introduction

In this page you can find the example usage for java.util ListIterator previous.

Prototype

E previous();

Source Link

Document

Returns the previous element in the list and moves the cursor position backwards.

Usage

From source file:com.diffplug.gradle.GradleIntegrationTest.java

protected String getContents(Predicate<String> subpathsToInclude) throws IOException {
    TreeDef<File> treeDef = TreeDef.forFile(Errors.rethrow());
    List<File> files = TreeStream.depthFirst(treeDef, folder.getRoot()).filter(file -> file.isFile())
            .collect(Collectors.toList());

    ListIterator<File> iterator = files.listIterator(files.size());
    int rootLength = folder.getRoot().getAbsolutePath().length() + 1;
    return StringPrinter.buildString(printer -> {
        Errors.rethrow().run(() -> {/*from  ww  w.  j  a va 2  s . c om*/
            while (iterator.hasPrevious()) {
                File file = iterator.previous();
                String subPath = file.getAbsolutePath().substring(rootLength);
                if (subpathsToInclude.test(subPath)) {
                    printer.println("### " + subPath + " ###");
                    printer.println(read(subPath));
                }
            }
        });
    });
}

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From source file:org.cipango.callflow.diameter.JmxMessageLogger.java

public void setMaxMessages(int maxMessages) {
    if (maxMessages <= 0)
        throw new IllegalArgumentException("Max message must be greater than 0");

    synchronized (this) {
        if (isRunning() && maxMessages != _maxMessages) {
            MessageInfo[] messages = new MessageInfo[maxMessages];
            ListIterator<MessageInfo> it = iterate(false);
            int index = maxMessages;
            while (it.hasPrevious()) {
                messages[--index] = it.previous();
                if (index == 0)
                    break;
            }//from   w  w  w  . j a  v  a2 s. c  om
            _cursor = 0;
            _messages = messages;
        }
        _maxMessages = maxMessages;
    }
}

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From source file:fr.paris.lutece.plugins.workflow.modules.ticketing.service.task.TaskReplyAssignUpTicket.java

/**
 * Get the user assigning up the ticket corresponding to the resource of the resourceHistory id
 * @param nIdResourceHistory the resourceHistory id
 * @return the user assigning up the ticket corresponding to the resource of the resourceHistory id , {@code null} otherwise
 *//*from  w  w  w .j  av a 2 s.  c  o  m*/
protected AdminUser getAssigner(int nIdResourceHistory) {
    ResourceHistory resourceHistory = _resourceHistoryService.findByPrimaryKey(nIdResourceHistory);

    List<Integer> listIdResource = new ArrayList<Integer>();
    listIdResource.add(resourceHistory.getIdResource());

    List<Integer> listIdHistory = _resourceHistoryService.getListHistoryIdByListIdResourceId(listIdResource,
            resourceHistory.getResourceType(), resourceHistory.getWorkflow().getId());

    boolean isAssignUpActionFound = false;
    ListIterator<Integer> iterator = listIdHistory.listIterator(listIdHistory.size());

    while (!isAssignUpActionFound && iterator.hasPrevious()) {
        resourceHistory = _resourceHistoryService.findByPrimaryKey(iterator.previous());

        if ((resourceHistory.getAction().getId() == ASSIGN_UP_ACTION_ID)
                || (resourceHistory.getAction().getId() == ASSIGN_TO_UNIT_ACTION_ID)) {
            isAssignUpActionFound = true;
        }
    }

    return (isAssignUpActionFound ? AdminUserHome.findUserByLogin(resourceHistory.getUserAccessCode()) : null);
}

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From source file:org.cipango.callflow.diameter.JmxMessageLogger.java

@SuppressWarnings("unchecked")
private List<MessageInfo> getMessageList(Integer maxMessages, String msgFilter) throws Exception {
    if (_messages == null)
        return null;

    synchronized (this) {
        JexlContext jc = JexlHelper.createContext();
        Expression msgExpression = null;
        if (msgFilter != null && !msgFilter.trim().equals("")) {
            LOG.debug("Get messages with filter: " + msgFilter);
            msgExpression = ExpressionFactory.createExpression("log." + msgFilter);
        }//from  w  w  w .j a  va  2  s  . c  o m

        List<MessageInfo> result = new ArrayList<MessageInfo>();
        ListIterator<MessageInfo> it = iterate(false);

        int i = 0;
        while (it.hasPrevious() && i < maxMessages) {
            MessageInfo info = it.previous();
            jc.getVars().put("log", info);
            jc.getVars().put("message", info.getMessage());

            if (msgExpression == null || ((Boolean) msgExpression.evaluate(jc)).booleanValue()) {
                result.add(0, info);
                i++;
            }
        }
        return result;
    }
}

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From source file:org.xchain.framework.lifecycle.Lifecycle.java

/**
 * Start all lifecycle steps found by the LifecycleStepScanner.
 * //from ww w  .  ja va 2 s  . c om
 * @throws LifecycleException If an exception was encountered attempting to start the lifecycle steps.
 * @see LifecycleStepScanner
 */
private static void startLifecycleSteps() throws LifecycleException {
    // Create a scanner to find the lifecycle steps in the current classpath.
    LifecycleStepScanner scanner = new LifecycleStepScanner(context);
    try {
        scanner.scan();
        lifecycleStepList = scanner.getLifecycleStepList();
    } catch (ScanException se) {
        throw new LifecycleException("An exception was thrown while scanning for lifecycle steps.", se);
    }

    if (log.isInfoEnabled()) {
        StringBuilder message = new StringBuilder();
        message.append("Found ").append(lifecycleStepList.size()).append(" lifecycle steps:\n");
        for (LifecycleStep lifecycleStep : lifecycleStepList) {
            message.append("  ").append(lifecycleStep.getQName()).append("\n");
        }
        log.info(message.toString());
    }

    // Start all the found lifecycle steps.
    ListIterator<LifecycleStep> iterator = lifecycleStepList.listIterator();
    try {
        while (iterator.hasNext()) {
            LifecycleStep lifecycleStep = iterator.next();

            if (log.isInfoEnabled()) {
                log.info("Starting Lifecycle Step '" + lifecycleStep.getQName() + "'.");
            }
            lifecycleStep.startLifecycle(context, Lifecycle.configDocumentContext);
            if (log.isInfoEnabled()) {
                log.info("Finished Lifecycle Step '" + lifecycleStep.getQName() + "'.");
            }
        }
    } catch (LifecycleException le) {
        if (log.isErrorEnabled()) {
            log.error("Stopping the lifecycle startup due to a lifecycle exception.", le);
        }
        iterator.previous();
        while (iterator.hasPrevious()) {
            LifecycleStep lifecycleStep = iterator.previous();
            try {
                lifecycleStep.stopLifecycle(context);
            } catch (Throwable t) {
                if (log.isWarnEnabled()) {
                    log.warn("An exception was thrown while stopping a lifecycle exception.", t);
                }
            }
        }

        // clear the lifecycle step list.
        lifecycleStepList.clear();

        // we should throw the lifecycle exception here.
        throw le;
    } finally {
        // make sure the configuration DOM gets garbage collected, no reason to keep it around once everyone is configured.
        Lifecycle.configDocumentContext = null;
    }

}

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From source file:bigtweet.BTSim.java

/**
*
* @param na number of agents/*from  w ww . ja  v a 2s  .  c o  m*/
* @param selectingMethod: , last, or first in the list of agents. (or null,
* random, to random)
* @param exceptState agents except of that state, can be null
* @return
*/
public List<UserAgent> getNUsers(int na, String selectingMethod, String exceptState) {
    List<UserAgent> r = new ArrayList<UserAgent>();
    UserAgent aux;
    int added = 0;

    switch (selectingMethod) {
    case "last":
        ListIterator<UserAgent> li = getAgents().listIterator(getAgents().size());
        while (li.hasPrevious() && added < na) {

            aux = li.previous();
            if (exceptState == null || !aux.getState().equals(exceptState)) {
                r.add(aux);
                added++;
            }
        }
        if (added < na) {
            throw new RuntimeException("There is no " + na + " agents to be added.");
        }
        break;
    case "first":
        li = getAgents().listIterator();
        while (li.hasNext() && added < na) {
            aux = li.next();
            if (exceptState == null || !aux.getState().equals(exceptState)) {
                r.add(aux);
                added++;
            }
        }
        if (added < na) {
            throw new RuntimeException("There is no " + na + " agents to be added.");
        }
        break;

    default:
        r = getNRandomUsers(na, exceptState);
    }

    return r;

}

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From source file:org.apache.fop.render.AbstractImageHandlerRegistry.java

/**
 * Add an image handler. The handler itself is inspected to find out what it supports.
 * @param handler the ImageHandler instance
 *//* ww  w. ja  v a 2s .  c o m*/
public synchronized void addHandler(ImageHandlerBase handler) {
    this.handlers.put(handler.getSupportedImageClass(), handler);

    //Sorted insert
    ListIterator iter = this.handlerList.listIterator();
    while (iter.hasNext()) {
        ImageHandlerBase h = (ImageHandlerBase) iter.next();
        if (getHandlerComparator().compare(handler, h) < 0) {
            iter.previous();
            break;
        }
    }
    iter.add(handler);
    this.handlerRegistrations++;
}

---

From source file:com.cloudera.sqoop.cli.SqoopParser.java

@Override
/**//ww  w  .j  a  v a  2  s.c  om
 * Processes arguments to options but only strips matched quotes.
 */
public void processArgs(Option opt, ListIterator iter) throws ParseException {
    // Loop until an option is found.
    while (iter.hasNext()) {
        String str = (String) iter.next();

        if (getOptions().hasOption(str) && str.startsWith("-")) {
            // found an Option, not an argument.
            iter.previous();
            break;
        }

        // Otherwise, this is a value.
        try {
            // Note that we only strip matched quotes here.
            addValForProcessing.invoke(opt, stripMatchedQuotes(str));
        } catch (IllegalAccessException iae) {
            throw new RuntimeException(iae);
        } catch (java.lang.reflect.InvocationTargetException ite) {
            // Any runtime exception thrown within addValForProcessing()
            // will be wrapped in an InvocationTargetException.
            iter.previous();
            break;
        } catch (RuntimeException re) {
            iter.previous();
            break;
        }
    }

    if (opt.getValues() == null && !opt.hasOptionalArg()) {
        throw new MissingArgumentException(opt);
    }
}

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From source file:fr.norad.visuwall.core.business.process.capabilities.BuildCapabilityProcess.java

public void updatePreviousCompletedBuild(Project project) throws ProjectNotFoundException {
    List<String> buildIds = project.getBuildId();
    if (buildIds.size() < 2) {
        // with only a build there is no previous completed build
        return;/* w  w  w  .  j a v a 2 s .  co m*/
    }
    try {
        int skip = 1;
        if (project.getLastBuild().isBuilding()) {
            if (buildIds.size() < 3) {
                // first build is building so we do not have enough builds to have a previous completed 
                return;
            }
            skip = 2;
        }

        ListIterator<String> reverseBuildIt = project.getBuildId().listIterator(project.getBuildId().size());

        for (int i = 0; reverseBuildIt.hasPrevious(); i++) {
            String buildId = reverseBuildIt.previous();
            if (i < skip) {
                continue;
            }
            Build build = getCreatedWithContentBuild(project, buildId);
            if (build == null) {
                continue;
            }
            BuildState state = build.getState();
            if (state == BuildState.UNKNOWN || state == BuildState.ABORTED) {
                continue;
            }

            project.setPreviousCompletedBuildId(build.getBuildId());
            break;
        }
    } catch (BuildNotFoundException e) {
        LOG.warn("last build not found to update previous completed build", e);
    }
}

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From source file:edu.uci.ics.hyracks.algebricks.rewriter.rules.PushSelectIntoJoinRule.java

private void pushOps(List<ILogicalOperator> opList, Mutable<ILogicalOperator> joinBranch,
        IOptimizationContext context) throws AlgebricksException {
    ILogicalOperator topOp = joinBranch.getValue();
    ListIterator<ILogicalOperator> iter = opList.listIterator(opList.size());
    while (iter.hasPrevious()) {
        ILogicalOperator op = iter.previous();
        List<Mutable<ILogicalOperator>> opInpList = op.getInputs();
        opInpList.clear();//from   w ww  .  j a v  a2s  .c o  m
        opInpList.add(new MutableObject<ILogicalOperator>(topOp));
        topOp = op;
        context.computeAndSetTypeEnvironmentForOperator(op);
    }
    joinBranch.setValue(topOp);
}

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