Example usage for java.lang Long MIN

Introduction

In this page you can find the example usage for java.lang Long MIN_VALUE.

Prototype

long MIN_VALUE

To view the source code for java.lang Long MIN_VALUE.

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Document

A constant holding the minimum value a long can have, -2⁶³.

Usage

From source file:org.apache.crunch.kafka.inputformat.KafkaInputFormat.java

/**
 * Reads the {@code configuration} to determine which topics, partitions, and offsets should be used for reading data.
 *
 * @param configuration the configuration to derive the data to read.
 * @return a map of {@link TopicPartition} to a pair of start and end offsets.
 * @throws IllegalStateException if the {@code configuration} does not have the start and end offsets set properly
 * for a partition.//from www  .  j  a  v  a 2  s  .co m
 */
public static Map<TopicPartition, Pair<Long, Long>> getOffsets(Configuration configuration) {
    Map<TopicPartition, Pair<Long, Long>> offsets = new HashMap<>();
    //find configuration for all of the topics with defined partitions
    Map<String, String> topicPartitionKeys = configuration.getValByRegex(TOPIC_KEY_REGEX);

    //for each topic start to process it's partitions
    for (String key : topicPartitionKeys.keySet()) {
        String topic = getTopicFromKey(key);
        int[] partitions = configuration.getInts(key);
        //for each partition find and add the start/end offset
        for (int partitionId : partitions) {
            TopicPartition topicPartition = new TopicPartition(topic, partitionId);
            long start = configuration.getLong(generatePartitionStartKey(topic, partitionId), Long.MIN_VALUE);
            long end = configuration.getLong(generatePartitionEndKey(topic, partitionId), Long.MIN_VALUE);

            if (start == Long.MIN_VALUE || end == Long.MIN_VALUE) {
                throw new IllegalStateException("The " + topicPartition + "has an invalid start:" + start
                        + " or end:" + end + " offset configured.");
            }

            offsets.put(topicPartition, Pair.of(start, end));
        }
    }

    return offsets;
}

From source file:com.baidu.oped.apm.common.buffer.AutomaticBufferTest.java

@Test
public void testPutSVarLong() throws Exception {
    Buffer buffer = new AutomaticBuffer(32);
    buffer.putSVar(Long.MAX_VALUE);
    buffer.putSVar(Long.MIN_VALUE);
    buffer.putSVar(0L);// w w w.java  2 s . c om
    buffer.putSVar(1L);
    buffer.putSVar(12345L);

    buffer.setOffset(0);
    Assert.assertEquals(buffer.readSVarLong(), Long.MAX_VALUE);
    Assert.assertEquals(buffer.readSVarLong(), Long.MIN_VALUE);
    Assert.assertEquals(buffer.readSVarLong(), 0L);
    Assert.assertEquals(buffer.readSVarLong(), 1L);
    Assert.assertEquals(buffer.readSVarLong(), 12345L);
}

From source file:org.apache.flink.hdfstests.ContinuousFileProcessingFrom12MigrationTest.java

/**
 * Manually run this to write binary snapshot data. Remove @Ignore to run.
 *//*from  w  w w.j  av a  2 s .co m*/
@Ignore
@Test
public void writeMonitoringSourceSnapshot() throws Exception {

    File testFolder = tempFolder.newFolder();

    long fileModTime = Long.MIN_VALUE;
    for (int i = 0; i < 1; i++) {
        Tuple2<File, String> file = createFileAndFillWithData(testFolder, "file", i, "This is test line.");
        fileModTime = file.f0.lastModified();
    }

    TextInputFormat format = new TextInputFormat(new Path(testFolder.getAbsolutePath()));

    final ContinuousFileMonitoringFunction<String> monitoringFunction = new ContinuousFileMonitoringFunction<>(
            format, FileProcessingMode.PROCESS_CONTINUOUSLY, 1, INTERVAL);

    StreamSource<TimestampedFileInputSplit, ContinuousFileMonitoringFunction<String>> src = new StreamSource<>(
            monitoringFunction);

    final AbstractStreamOperatorTestHarness<TimestampedFileInputSplit> testHarness = new AbstractStreamOperatorTestHarness<>(
            src, 1, 1, 0);

    testHarness.open();

    final Throwable[] error = new Throwable[1];

    final OneShotLatch latch = new OneShotLatch();

    // run the source asynchronously
    Thread runner = new Thread() {
        @Override
        public void run() {
            try {
                monitoringFunction.run(new DummySourceContext() {
                    @Override
                    public void collect(TimestampedFileInputSplit element) {
                        latch.trigger();
                    }

                    @Override
                    public void markAsTemporarilyIdle() {

                    }
                });
            } catch (Throwable t) {
                t.printStackTrace();
                error[0] = t;
            }
        }
    };
    runner.start();

    if (!latch.isTriggered()) {
        latch.await();
    }

    final OperatorStateHandles snapshot;
    synchronized (testHarness.getCheckpointLock()) {
        snapshot = testHarness.snapshot(0L, 0L);
    }

    OperatorSnapshotUtil.writeStateHandle(snapshot,
            "src/test/resources/monitoring-function-migration-test-" + fileModTime + "-flink1.2-snapshot");

    monitoringFunction.cancel();
    runner.join();

    testHarness.close();
}

From source file:com.android.deskclock.data.TimerModel.java

/**
 * @param length the length of the timer in milliseconds
 * @param label describes the purpose of the timer
 * @param deleteAfterUse {@code true} indicates the timer should be deleted when it is reset
 * @return the newly added timer/*w  ww . j a v a2 s.  c  o  m*/
 */
Timer addTimer(long length, String label, boolean deleteAfterUse) {
    // Create the timer instance.
    Timer timer = new Timer(-1, RESET, length, length, Long.MIN_VALUE, length, label, deleteAfterUse);

    // Add the timer to permanent storage.
    timer = TimerDAO.addTimer(mContext, timer);

    // Add the timer to the cache.
    getMutableTimers().add(0, timer);

    // Update the timer notification.
    updateNotification();
    // Heads-Up notification is unaffected by this change

    // Notify listeners of the change.
    for (TimerListener timerListener : mTimerListeners) {
        timerListener.timerAdded(timer);
    }

    return timer;
}

From source file:org.apache.crunch.kafka.record.KafkaInputFormat.java

/**
 * Reads the {@code configuration} to determine which topics, partitions, and offsets should be used for reading data.
 *
 * @param configuration the configuration to derive the data to read.
 * @return a map of {@link TopicPartition} to a pair of start and end offsets.
 * @throws IllegalStateException if the {@code configuration} does not have the start and end offsets set properly
 *                               for a partition.
 *///  w ww  .j  ava2  s .  co m
public static Map<TopicPartition, Pair<Long, Long>> getOffsets(Configuration configuration) {
    Map<TopicPartition, Pair<Long, Long>> offsets = new HashMap<>();
    //find configuration for all of the topics with defined partitions
    Map<String, String> topicPartitionKeys = configuration.getValByRegex(TOPIC_KEY_REGEX);

    //for each topic start to process it's partitions
    for (String key : topicPartitionKeys.keySet()) {
        String topic = getTopicFromKey(key);
        int[] partitions = configuration.getInts(key);
        //for each partition find and add the start/end offset
        for (int partitionId : partitions) {
            TopicPartition topicPartition = new TopicPartition(topic, partitionId);
            long start = configuration.getLong(generatePartitionStartKey(topic, partitionId), Long.MIN_VALUE);
            long end = configuration.getLong(generatePartitionEndKey(topic, partitionId), Long.MIN_VALUE);

            if (start == Long.MIN_VALUE || end == Long.MIN_VALUE) {
                throw new IllegalStateException("The " + topicPartition + " has an invalid start:" + start
                        + " or end:" + end + " offset configured.");
            }

            offsets.put(topicPartition, Pair.of(start, end));
        }
    }

    return offsets;
}

From source file:com.onyx.deskclock.deskclock.data.TimerModel.java

/**
 * @param length the length of the timer in milliseconds
 * @param label describes the purpose of the timer
 * @param deleteAfterUse {@code true} indicates the timer should be deleted when it is reset
 * @return the newly added timer//  w  ww  . j  av a 2s.  c  o m
 */
Timer addTimer(long length, String label, boolean deleteAfterUse) {
    // Create the timer instance.
    Timer timer = new Timer(-1, Timer.State.RESET, length, length, Long.MIN_VALUE, length, label,
            deleteAfterUse);

    // Add the timer to permanent storage.
    timer = TimerDAO.addTimer(mContext, timer);

    // Add the timer to the cache.
    getMutableTimers().add(0, timer);

    // Update the timer notification.
    updateNotification();
    // Heads-Up notification is unaffected by this change

    // Notify listeners of the change.
    for (TimerListener timerListener : mTimerListeners) {
        timerListener.timerAdded(timer);
    }

    return timer;
}

From source file:com.navercorp.pinpoint.common.buffer.AutomaticBufferTest.java

@Test
public void testPutSVLong() throws Exception {
    Buffer buffer = new AutomaticBuffer(32);
    buffer.putSVLong(Long.MAX_VALUE);
    buffer.putSVLong(Long.MIN_VALUE);
    buffer.putSVLong(0L);/*from   w w w .  j a v a2 s  . com*/
    buffer.putSVLong(1L);
    buffer.putSVLong(12345L);

    buffer.setOffset(0);
    Assert.assertEquals(buffer.readSVLong(), Long.MAX_VALUE);
    Assert.assertEquals(buffer.readSVLong(), Long.MIN_VALUE);
    Assert.assertEquals(buffer.readSVLong(), 0L);
    Assert.assertEquals(buffer.readSVLong(), 1L);
    Assert.assertEquals(buffer.readSVLong(), 12345L);
}

From source file:com.navercorp.pinpoint.flink.mapper.thrift.stat.JoinAgentStatBoMapper.java

private long getTimeStamp(JoinAgentStatBo joinAgentStatBo) {
    List<JoinCpuLoadBo> joinCpuLoadBoList = joinAgentStatBo.getJoinCpuLoadBoList();

    if (joinCpuLoadBoList.size() != 0) {
        return joinCpuLoadBoList.get(0).getTimestamp();
    }//from  w w  w .  j  av a 2s . c  om

    List<JoinMemoryBo> joinMemoryBoList = joinAgentStatBo.getJoinMemoryBoList();

    if (joinMemoryBoList.size() != 0) {
        return joinMemoryBoList.get(0).getTimestamp();
    }

    List<JoinTransactionBo> joinTransactionBoList = joinAgentStatBo.getJoinTransactionBoList();

    if (joinTransactionBoList.size() != 0) {
        return joinTransactionBoList.get(0).getTimestamp();
    }

    List<JoinActiveTraceBo> joinActiveTraceBoList = joinAgentStatBo.getJoinActiveTraceBoList();

    if (joinActiveTraceBoList.size() != 0) {
        return joinActiveTraceBoList.get(0).getTimestamp();
    }

    List<JoinResponseTimeBo> joinResponseTimeBoList = joinAgentStatBo.getJoinResponseTimeBoList();

    if (joinResponseTimeBoList.size() != 0) {
        return joinResponseTimeBoList.get(0).getTimestamp();
    }

    List<JoinDataSourceListBo> joinDataSourceListBoList = joinAgentStatBo.getJoinDataSourceListBoList();

    if (joinDataSourceListBoList.size() != 0) {
        return joinDataSourceListBoList.get(0).getTimestamp();
    }

    List<JoinFileDescriptorBo> joinFileDescriptorBoList = joinAgentStatBo.getJoinFileDescriptorBoList();

    if (joinFileDescriptorBoList.size() != 0) {
        return joinFileDescriptorBoList.get(0).getTimestamp();
    }

    List<JoinDirectBufferBo> joinDirectBufferBoList = joinAgentStatBo.getJoinDirectBufferBoList();

    if (joinDirectBufferBoList.size() != 0) {
        return joinDirectBufferBoList.get(0).getTimestamp();
    }

    return Long.MIN_VALUE;
}

From source file:Counter.java

/** Prints the results. */
public void printResults(PrintWriter out, String uri, long time, long memory, boolean tagginess,
        int repetition) {

    // filename.xml: 631 ms (4 elems, 0 attrs, 78 spaces, 0 chars)
    out.print(uri);/*from  ww w .  ja v a2  s  .c o  m*/
    out.print(": ");
    if (repetition == 1) {
        out.print(time);
    } else {
        out.print(time);
        out.print('/');
        out.print(repetition);
        out.print('=');
        out.print(time / repetition);
    }
    out.print(" ms");
    if (memory != Long.MIN_VALUE) {
        out.print(", ");
        out.print(memory);
        out.print(" bytes");
    }
    out.print(" (");
    out.print(fElements);
    out.print(" elems, ");
    out.print(fAttributes);
    out.print(" attrs, ");
    out.print(fIgnorableWhitespace);
    out.print(" spaces, ");
    out.print(fCharacters);
    out.print(" chars)");
    if (tagginess) {
        out.print(' ');
        long totalCharacters = fTagCharacters + fOtherCharacters + fCharacters + fIgnorableWhitespace;
        long tagValue = fTagCharacters * 100 / totalCharacters;
        out.print(tagValue);
        out.print("% tagginess");
    }
    out.println();
    out.flush();

}

From source file:com.amalto.core.storage.hibernate.LuceneQueryGenerator.java

@Override
public Query visit(Range range) {
    if (range.getExpression() instanceof MetadataField) {
        if (range.getExpression() instanceof Timestamp) {
            Timestamp field = (Timestamp) range.getExpression();
            field.accept(this);
        } else {/*  w w  w . j a  va2 s .c om*/
            MetadataField field = (MetadataField) range.getExpression();
            field.getProjectionExpression().accept(this);
        }
    }
    range.getStart().accept(this);
    Long currentRangeStart = ((Long) currentValue) == Long.MIN_VALUE ? null : (Long) currentValue;
    range.getEnd().accept(this);
    Long currentRangeEnd = ((Long) currentValue) == Long.MAX_VALUE ? null : (Long) currentValue;
    return NumericRangeQuery.newLongRange(currentFieldName, currentRangeStart, currentRangeEnd, true, true);
}

Example usage for java.lang Long MIN_VALUE

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