Example usage for org.apache.commons.lang3.tuple ImmutablePair ImmutablePair

Introduction

In this page you can find the example usage for org.apache.commons.lang3.tuple ImmutablePair ImmutablePair.

Prototype

public ImmutablePair(final L left, final R right)

Source Link

Document

Create a new pair instance.

Usage

From source file:org.apache.apex.malhar.lib.window.impl.SpillableSessionWindowedStorage.java

@Override
public void migrateWindow(Window.SessionWindow<K> fromWindow, Window.SessionWindow<K> toWindow) {
    K key = fromWindow.getKey();//from   ww w  .j  a v a2  s .c  om
    ImmutablePair<Window, K> oldKey = new ImmutablePair<Window, K>(fromWindow, key);
    ImmutablePair<Window, K> newKey = new ImmutablePair<Window, K>(toWindow, key);
    V value = windowKeyToValueMap.get(oldKey);
    if (value == null) {
        throw new NoSuchElementException();
    }
    windowKeyToValueMap.remove(oldKey);
    windowKeyToValueMap.put(newKey, value);
    keyToWindowsMap.remove(key, fromWindow);
    keyToWindowsMap.put(key, toWindow);
    windowToKeysMap.removeAll(fromWindow);
    windowToKeysMap.put(toWindow, key);
}

From source file:org.apache.apex.malhar.lib.window.impl.SpillableSessionWindowedStorage.java

@Override
public Collection<Map.Entry<Window.SessionWindow<K>, V>> getSessionEntries(K key, long timestamp, long gap) {
    List<Map.Entry<Window.SessionWindow<K>, V>> results = new ArrayList<>();
    Set<Window.SessionWindow<K>> sessionWindows = keyToWindowsMap.get(key);
    if (sessionWindows != null) {
        for (Window.SessionWindow<K> window : sessionWindows) {
            if (timestamp > window.getBeginTimestamp()) {
                if (window.getBeginTimestamp() + window.getDurationMillis() > timestamp) {
                    results.add(new AbstractMap.SimpleEntry<>(window,
                            windowKeyToValueMap.get(new ImmutablePair<Window, K>(window, key))));
                }/*from  www  . java2 s. co  m*/
            } else if (timestamp < window.getBeginTimestamp()) {
                if (window.getBeginTimestamp() - gap <= timestamp) {
                    results.add(new AbstractMap.SimpleEntry<>(window,
                            windowKeyToValueMap.get(new ImmutablePair<Window, K>(window, key))));
                }
            } else {
                results.add(new AbstractMap.SimpleEntry<>(window,
                        windowKeyToValueMap.get(new ImmutablePair<Window, K>(window, key))));
            }
        }
    }
    return results;
}

From source file:org.apache.apex.malhar.lib.window.impl.SpillableWindowedKeyedStorage.java

@Override
public void remove(Window window) {
    Set<K> keys = windowToKeysMap.get(window);
    if (keys != null) {
        for (K key : keys) {
            windowKeyToValueMap.remove(new ImmutablePair<>(window, key));
        }/* w  w w  .  j av  a 2  s  . co  m*/
    }
    windowToKeysMap.removeAll(window);
}

From source file:org.apache.apex.malhar.lib.window.impl.SpillableWindowedKeyedStorage.java

@Override
public void put(Window window, K key, V value) {
    if (!windowToKeysMap.containsEntry(window, key)) {
        windowToKeysMap.put(window, key);
    }//  w  ww .  j  av  a 2  s.c  om
    windowKeyToValueMap.put(new ImmutablePair<>(window, key), value);
}

From source file:org.apache.apex.malhar.lib.window.impl.SpillableWindowedKeyedStorage.java

@Override
public V get(Window window, K key) {
    return windowKeyToValueMap.get(new ImmutablePair<>(window, key));
}

From source file:org.apache.asterix.event.service.ZooKeeperService.java

private Pair<CharSequence, CharSequence> getProcessStreams(Process process) throws IOException {
    StringWriter stdout = new StringWriter();
    StringWriter stderr = new StringWriter();
    IOUtils.copy(process.getInputStream(), stdout, Charset.defaultCharset());
    IOUtils.copy(process.getErrorStream(), stderr, Charset.defaultCharset());
    return new ImmutablePair<>(stdout.getBuffer(), stderr.getBuffer());
}

From source file:org.apache.beam.runners.apex.translation.TranslationContext.java

/**
 * Register operator and output ports for the given collections.
 * @param operator//from   w  w  w .  ja v a  2  s  . c om
 * @param ports
 */
public void addOperator(Operator operator, Map<PCollection<?>, OutputPort<?>> ports) {
    boolean first = true;
    for (Map.Entry<PCollection<?>, OutputPort<?>> portEntry : ports.entrySet()) {
        if (first) {
            addOperator(operator, portEntry.getValue(), portEntry.getKey());
            first = false;
        } else {
            this.streams.put(portEntry.getKey(),
                    (Pair) new ImmutablePair<>(new OutputPortInfo(portEntry.getValue(), getCurrentTransform()),
                            new ArrayList<>()));
        }
    }
}

From source file:org.apache.beam.runners.apex.translation.TranslationContext.java

/**
 * Add the operator with its output port for the given result {link PCollection}.
 * @param operator//w ww  . j av a  2  s. co  m
 * @param port
 * @param output
 */
public void addOperator(Operator operator, OutputPort port, PCollection output) {
    // Apex DAG requires a unique operator name
    // use the transform's name and make it unique
    String name = getCurrentTransform().getFullName();
    for (int i = 1; this.operators.containsKey(name); i++) {
        name = getCurrentTransform().getFullName() + i;
    }
    this.operators.put(name, operator);
    this.streams.put(output,
            (Pair) new ImmutablePair<>(new OutputPortInfo(port, getCurrentTransform()), new ArrayList<>()));
}

From source file:org.apache.distributedlog.TestTruncate.java

private Pair<DistributedLogManager, AsyncLogWriter> populateData(Map<Long, DLSN> txid2DLSN,
        DistributedLogConfiguration confLocal, String name, int numLogSegments, int numEntriesPerLogSegment,
        boolean createInprogressLogSegment) throws Exception {
    long txid = 1;
    for (long i = 1; i <= numLogSegments; i++) {
        LOG.info("Writing Log Segment {}.", i);
        DistributedLogManager dlm = createNewDLM(confLocal, name);
        AsyncLogWriter writer = dlm.startAsyncLogSegmentNonPartitioned();
        for (int j = 1; j <= numEntriesPerLogSegment; j++) {
            long curTxId = txid++;
            DLSN dlsn = Utils.ioResult(writer.write(DLMTestUtil.getLogRecordInstance(curTxId)));
            txid2DLSN.put(curTxId, dlsn);
        }/*  ww w . jav  a 2s .  com*/
        Utils.close(writer);
        dlm.close();
    }

    if (createInprogressLogSegment) {
        DistributedLogManager dlm = createNewDLM(confLocal, name);
        AsyncLogWriter writer = dlm.startAsyncLogSegmentNonPartitioned();
        for (int j = 1; j <= 10; j++) {
            long curTxId = txid++;
            DLSN dlsn = Utils.ioResult(writer.write(DLMTestUtil.getLogRecordInstance(curTxId)));
            txid2DLSN.put(curTxId, dlsn);
        }
        return new ImmutablePair<DistributedLogManager, AsyncLogWriter>(dlm, writer);
    } else {
        return null;
    }
}

From source file:org.apache.drill.exec.ops.FragmentStats.java

public OperatorStats addOperatorStats(OperatorStats stats) {
    return operators.put(new ImmutablePair<>(stats.operatorId, stats.operatorType), stats);
}