Java Code Examples for org.apache.flink.core.memory.DataInputView#readLong()

@Override
public State<TXN, CONTEXT> deserialize(DataInputView source) throws IOException {
	TXN pendingTxnHandle = transactionSerializer.deserialize(source);
	final long pendingTxnStartTime = source.readLong();
	final TransactionHolder<TXN> pendingTxn = new TransactionHolder<>(
		pendingTxnHandle,
		pendingTxnStartTime);

	int numPendingCommitTxns = source.readInt();
	List<TransactionHolder<TXN>> pendingCommitTxns = new ArrayList<>(numPendingCommitTxns);
	for (int i = 0; i < numPendingCommitTxns; i++) {
		final TXN pendingCommitTxnHandle = transactionSerializer.deserialize(source);
		final long pendingCommitTxnStartTime = source.readLong();
		pendingCommitTxns.add(new TransactionHolder<>(
			pendingCommitTxnHandle,
			pendingCommitTxnStartTime));
	}

	Optional<CONTEXT> context = Optional.empty();
	boolean hasContext = source.readBoolean();
	if (hasContext) {
		context = Optional.of(contextSerializer.deserialize(source));
	}

	return new State<>(pendingTxn, pendingCommitTxns, context);
}
 

private static MetricDump.HistogramDump deserializeHistogram(DataInputView dis) throws IOException {
	QueryScopeInfo info = deserializeMetricInfo(dis);
	String name = dis.readUTF();
	long min = dis.readLong();
	long max = dis.readLong();
	double mean = dis.readDouble();
	double median = dis.readDouble();
	double stddev = dis.readDouble();
	double p75 = dis.readDouble();
	double p90 = dis.readDouble();
	double p95 = dis.readDouble();
	double p98 = dis.readDouble();
	double p99 = dis.readDouble();
	double p999 = dis.readDouble();

	return new MetricDump.HistogramDump(info, name, min, max, mean, median, stddev, p75, p90, p95, p98, p99, p999);
}
 

@Override
public KafkaTransactionState deserialize(DataInputView source) throws IOException {
	String transactionalId = null;
	if (source.readBoolean()) {
		transactionalId = source.readUTF();
	}
	long producerId = source.readLong();
	short epoch = source.readShort();
	return new KafkaTransactionState(transactionalId, producerId, epoch, null);
}
 

@Override
public Time deserialize(Time reuse, DataInputView source) throws IOException {
	final long v = source.readLong();
	if (v == Long.MIN_VALUE) {
		return null;
	}
	reuse.setTime(v);
	return reuse;
}
 

@Override
public TimestampData deserialize(DataInputView source) throws IOException {
	if (TimestampData.isCompact(precision)) {
		long val = source.readLong();
		return TimestampData.fromEpochMillis(val);
	} else {
		long longVal = source.readLong();
		int intVal = source.readInt();
		return TimestampData.fromEpochMillis(longVal, intVal);
	}
}
 

@Override
public Date deserialize(DataInputView source) throws IOException {
	final long v = source.readLong();
	if (v == Long.MIN_VALUE) {
		return null;
	} else {
		return new Date(v);
	}
}
 

@Override
public void read(DataInputView in) throws IOException {
	diff = in.readDouble();
	rank = in.readDouble();
	danglingRank = in.readDouble();
	numDanglingVertices = in.readLong();
	numVertices = in.readLong();
	edges = in.readLong();
}
 

@Override
public Timestamp deserialize(Timestamp reuse, DataInputView source) throws IOException {
	final long v = source.readLong();
	if (v == Long.MIN_VALUE) {
		return null;
	}
	reuse.setTime(v);
	reuse.setNanos(source.readInt());
	return reuse;
}
 

@Override
public void read(DataInputView in) throws IOException {
	position = in.readInt();
	mark = 0;

	ensureCapacity(position);

	for (int i = 0; i < position; i++) {
		data[i] = in.readLong();
	}
}
 

@Override
public KafkaTransactionState deserialize(DataInputView source) throws IOException {
	String transactionalId = null;
	if (source.readBoolean()) {
		transactionalId = source.readUTF();
	}
	long producerId = source.readLong();
	short epoch = source.readShort();
	return new KafkaTransactionState(transactionalId, producerId, epoch, null);
}
 

@Override
public Date deserialize(Date reuse, DataInputView source) throws IOException {
	final long v = source.readLong();
	if (v == Long.MIN_VALUE) {
		return null;
	}
	reuse.setTime(v);
	return reuse;
}
 

@Override
public long[] deserialize(DataInputView source) throws IOException {
	final int len = source.readInt();
	long[] array = new long[len];
	
	for (int i = 0; i < len; i++) {
		array[i] = source.readLong();
	}
	
	return array;
}
 

@Override
public void read(DataInputView in) throws IOException {
	this.value = in.readLong();
}
 

@Override
public void read(DataInputView in) throws IOException {
	this.aInt = in.readInt();
	this.aLong = in.readLong();
}
 

@Override
public NextTransactionalIdHint deserialize(DataInputView source) throws IOException {
	long nextFreeTransactionalId = source.readLong();
	int lastParallelism = source.readInt();
	return new NextTransactionalIdHint(lastParallelism, nextFreeTransactionalId);
}
 

@Override
public void read(DataInputView in) throws IOException {
	this.value = in.readLong();
}
 

@Override
public void read(DataInputView in) throws IOException {
	// read 8 bytes
	in.readLong();
}
 

private static MetricDump.CounterDump deserializeCounter(DataInputView dis) throws IOException {
	QueryScopeInfo scope = deserializeMetricInfo(dis);
	String name = dis.readUTF();
	long count = dis.readLong();
	return new MetricDump.CounterDump(scope, name, count);
}
 

@Override
public void read(DataInputView in) throws IOException {
	this.recordCount = in.readLong();
	this.accumulatedRecordCount = in.readLong();
	this.firstRecordStart = in.readLong();
}
 

@Override
public void read(DataInputView in) throws IOException {
	in.readLong();
}