Example usage for java.io DataOutput writeBoolean

Introduction

In this page you can find the example usage for java.io DataOutput writeBoolean.

Prototype

void writeBoolean(boolean v) throws IOException;

Source Link

Document

Writes a boolean value to this output stream.

Usage

From source file:org.apache.hadoop.hbase.security.access.TablePermission.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    Bytes.writeByteArray(out, table.getName());
    out.writeBoolean(family != null);
    if (family != null) {
        Bytes.writeByteArray(out, family);
    }//from   ww w . j a v  a  2  s.  c o  m
    out.writeBoolean(qualifier != null);
    if (qualifier != null) {
        Bytes.writeByteArray(out, qualifier);
    }
    out.writeBoolean(namespace != null);
    if (namespace != null) {
        Bytes.writeByteArray(out, Bytes.toBytes(namespace));
    }
}

From source file:org.apache.hadoop.hdfs.protocol.LocatedBlocks.java

public void write(DataOutput out) throws IOException {
    out.writeLong(this.fileLength);
    out.writeBoolean(underConstruction);
    // write located blocks
    int nrBlocks = locatedBlockCount();
    out.writeInt(nrBlocks);/*from   w  w  w  .  j  a va2  s .com*/
    if (nrBlocks == 0) {
        return;
    }
    for (LocatedBlock blk : this.blocks) {
        blk.write(out);
    }
}

From source file:org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.java

/**
 * Serialize a {@link INodeFile} node// w  w w .  j av  a 2  s  . c  o m
 * @param node The node to write
 * @param out The {@link DataOutputStream} where the fields are written
 * @param writeBlock Whether to write block information
 */
public static void writeINodeFile(INodeFile file, DataOutput out, boolean writeUnderConstruction)
        throws IOException {
    LOG.info("== Inside writeINodeFile() ==");
    LOG.info("Parameters count and cached logged into FSImage");
    LOG.info("ACCESSCNT " + file.getAccessCount());
    LOG.info("CACHED " + file.getIsCached());
    writeLocalName(file, out);
    out.writeLong(file.getId());
    out.writeShort(file.getFileReplication());
    out.writeLong(file.getModificationTime());
    out.writeLong(file.getAccessTime());
    out.writeLong(file.getPreferredBlockSize());

    writeBlocks(file.getBlocks(), out);
    SnapshotFSImageFormat.saveFileDiffList(file, out);

    if (writeUnderConstruction) {
        if (file instanceof INodeFileUnderConstruction) {
            out.writeBoolean(true);
            final INodeFileUnderConstruction uc = (INodeFileUnderConstruction) file;
            writeString(uc.getClientName(), out);
            writeString(uc.getClientMachine(), out);
        } else {
            out.writeBoolean(false);
        }
    }

    writePermissionStatus(file, out);
    out.writeLong(file.getAccessCount());
    out.writeInt(file.getIsCached());
}

From source file:org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.java

/**
 * Serialize a {@link INodeDirectory}/*w w w .j a  va2  s .  c  om*/
 * @param node The node to write
 * @param out The {@link DataOutput} where the fields are written 
 */
public static void writeINodeDirectory(INodeDirectory node, DataOutput out) throws IOException {
    writeLocalName(node, out);
    out.writeLong(node.getId());
    out.writeShort(0); // replication
    out.writeLong(node.getModificationTime());
    out.writeLong(0); // access time
    out.writeLong(0); // preferred block size
    out.writeInt(-1); // # of blocks

    out.writeLong(node.getNsQuota());
    out.writeLong(node.getDsQuota());
    if (node instanceof INodeDirectorySnapshottable) {
        out.writeBoolean(true);
    } else {
        out.writeBoolean(false);
        out.writeBoolean(node instanceof INodeDirectoryWithSnapshot);
    }

    writePermissionStatus(node, out);
    /*out.writeLong(0);   access count IDecider
    out.writeInt(0);   is cached flag IDecider*/
}

From source file:org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.java

/** Serialize a {@link INodeReference} node */
private static void writeINodeReference(INodeReference ref, DataOutput out, boolean writeUnderConstruction,
        ReferenceMap referenceMap) throws IOException {
    writeLocalName(ref, out);//from   w  ww  . j a  va 2 s  . co  m
    out.writeLong(ref.getId());
    out.writeShort(0); // replication
    out.writeLong(0); // modification time
    out.writeLong(0); // access time
    out.writeLong(0); // preferred block size
    out.writeInt(-3); // # of blocks

    final boolean isWithName = ref instanceof INodeReference.WithName;
    out.writeBoolean(isWithName);

    if (!isWithName) {
        Preconditions.checkState(ref instanceof INodeReference.DstReference);
        // dst snapshot id
        out.writeInt(((INodeReference.DstReference) ref).getDstSnapshotId());
    } else {
        out.writeInt(((INodeReference.WithName) ref).getLastSnapshotId());
    }

    final INodeReference.WithCount withCount = (INodeReference.WithCount) ref.getReferredINode();
    referenceMap.writeINodeReferenceWithCount(withCount, out, writeUnderConstruction);
    out.writeLong(0); // access count IDecider
    out.writeInt(0); // is cached flag IDecider
}

From source file:org.apache.hadoop.hive.accumulo.AccumuloHiveRow.java

@Override
public void write(DataOutput dataOutput) throws IOException {
    if (null != rowId) {
        dataOutput.writeBoolean(true);
        dataOutput.writeUTF(rowId);/* w  w  w. j ava2s.c om*/
    } else {
        dataOutput.writeBoolean(false);
    }
    int size = tuples.size();
    dataOutput.writeInt(size);
    for (ColumnTuple tuple : tuples) {
        Text cf = tuple.getCf(), cq = tuple.getCq();
        dataOutput.writeInt(cf.getLength());
        dataOutput.write(cf.getBytes(), 0, cf.getLength());
        dataOutput.writeInt(cq.getLength());
        dataOutput.write(cq.getBytes(), 0, cq.getLength());
        byte[] value = tuple.getValue();
        dataOutput.writeInt(value.length);
        dataOutput.write(value);
    }
}

From source file:org.apache.hadoop.hive.llap.security.LlapTokenIdentifier.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    out.writeUTF(clusterId);/*from   w w w. j  av  a 2s . c  o  m*/
    out.writeUTF(appId);
    out.writeBoolean(isSigningRequired);
}

From source file:org.apache.hadoop.ipc.chinamobile.ConnectionHeader.java

@Override
public void write(DataOutput out) throws IOException {
    Text.writeString(out, (protocol == null) ? "" : protocol);
    if (ugi != null) {
        out.writeBoolean(true);
        ugi.write(out);/*  w w  w. j  ava 2  s . c om*/
    } else {
        out.writeBoolean(false);
    }
}

From source file:org.apache.hadoop.ipc.ConnectionHeader.java

@Override
public void write(DataOutput out) throws IOException {
    Text.writeString(out, (protocol == null) ? "" : protocol);
    if (ugi != null) {
        if (authMethod == AuthMethod.KERBEROS) {
            // Send effective user for Kerberos auth
            out.writeBoolean(true);
            out.writeUTF(ugi.getUserName());
            out.writeBoolean(false);//w  ww  . jav  a2 s  .  c om
        } else if (authMethod == AuthMethod.DIGEST) {
            // Don't send user for token auth
            out.writeBoolean(false);
        } else {
            //Send both effective user and real user for simple auth
            out.writeBoolean(true);
            out.writeUTF(ugi.getUserName());
            if (ugi.getRealUser() != null) {
                out.writeBoolean(true);
                out.writeUTF(ugi.getRealUser().getUserName());
            } else {
                out.writeBoolean(false);
            }
        }
    } else {
        out.writeBoolean(false);
    }
}

From source file:org.apache.hadoop.mapred.LaunchTaskAction.java

public void write(DataOutput out) throws IOException {
    out.writeBoolean(task.isMapTask());
    task.write(out);

}