Example usage for java.io DataOutput writeLong

Introduction

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

Prototype

void writeLong(long v) throws IOException;

Source Link

Document

Writes a long value, which is comprised of eight bytes, to the output stream.

Usage

From source file:org.apache.marmotta.kiwi.io.KiWiIO.java

/**
 * Efficiently serialize a KiWiBooleanLiteral to a DataOutput destination.
 *
 * @param out the destination/*from   w w  w .ja v a  2s .c  o  m*/
 * @param literal the KiWiBooleanLiteral to serialize
 * @throws IOException
 */
public static void writeBooleanLiteral(DataOutput out, KiWiBooleanLiteral literal) throws IOException {
    if (literal == null) {
        out.writeLong(-1L);
    } else {
        out.writeLong(literal.getId());
        out.writeBoolean(literal.booleanValue());
        writeURI(out, literal.getType());
        out.writeLong(literal.getCreated().getTime());
    }
}

From source file:org.apache.marmotta.kiwi.io.KiWiIO.java

/**
 * Efficiently serialize a KiWiStringLiteral to a DataOutput destination.
 *
 * @param out the destination//from w  w w .j  a v  a  2  s.co m
 * @param literal the KiWiStringLiteral to serialize
 * @throws IOException
 */
public static void writeStringLiteral(DataOutput out, KiWiStringLiteral literal) throws IOException {
    if (literal == null) {
        out.writeLong(-1L);
    } else {
        out.writeLong(literal.getId());
        writeContent(out, literal.getContent());
        if (langTable.containsKey(literal.getLanguage())) {
            out.writeByte(langTable.get(literal.getLanguage()));
        } else {
            out.writeByte(LANG_UNKNOWN);
            DataIO.writeString(out, literal.getLanguage());
        }
        writeURI(out, literal.getType());
        out.writeLong(literal.getCreated().getTime());
    }
}

From source file:org.apache.marmotta.kiwi.io.KiWiIO.java

/**
 * Efficiently serialize a KiWiUriResource to a DataOutput destination, using prefix compression for commonly used
 * prefixes.//from  ww  w.  j a  va 2  s .  c  om
 *
 * @param out  DataOutput destination
 * @param uri  KiWiUriResource to serialize
 * @throws IOException
 */
public static void writeURI(DataOutput out, KiWiUriResource uri) throws IOException {
    if (uri == null) {
        out.writeLong(-1L);
    } else {
        out.writeLong(uri.getId());

        // compression for commonly used constant prefixes
        if (uri.stringValue().startsWith(XSD.NAMESPACE)) {
            out.writeByte(PREFIX_XSD);
            DataIO.writeString(out, uri.stringValue().substring(XSD.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(RDF.NAMESPACE)) {
            out.writeByte(PREFIX_RDF);
            DataIO.writeString(out, uri.stringValue().substring(RDF.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(RDFS.NAMESPACE)) {
            out.writeByte(PREFIX_RDFS);
            DataIO.writeString(out, uri.stringValue().substring(RDFS.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(SKOS.NAMESPACE)) {
            out.writeByte(PREFIX_SKOS);
            DataIO.writeString(out, uri.stringValue().substring(SKOS.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(DC.NAMESPACE)) {
            out.writeByte(PREFIX_DC);
            DataIO.writeString(out, uri.stringValue().substring(DC.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(DCTERMS.NAMESPACE)) {
            out.writeByte(PREFIX_DCT);
            DataIO.writeString(out, uri.stringValue().substring(DCTERMS.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(OWL.NAMESPACE)) {
            out.writeByte(PREFIX_OWL);
            DataIO.writeString(out, uri.stringValue().substring(OWL.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(SCHEMA.NAMESPACE)) {
            out.writeByte(PREFIX_SCHEMA);
            DataIO.writeString(out, uri.stringValue().substring(SCHEMA.NAMESPACE.length()));
        } else if (uri.stringValue().startsWith(NS_REDLINK)) {
            out.writeByte(PREFIX_REDLINK);
            DataIO.writeString(out, uri.stringValue().substring(NS_REDLINK.length()));
        } else if (uri.stringValue().startsWith(NS_DBPEDIA)) {
            out.writeByte(PREFIX_DBPEDIA);
            DataIO.writeString(out, uri.stringValue().substring(NS_DBPEDIA.length()));
        } else if (uri.stringValue().startsWith(NS_FREEBASE)) {
            out.writeByte(PREFIX_FREEBASE);
            DataIO.writeString(out, uri.stringValue().substring(NS_FREEBASE.length()));
        } else if (uri.stringValue().startsWith(HTTP_LOCALHOST)) {
            out.writeByte(PREFIX_LOCAL);
            DataIO.writeString(out, uri.stringValue().substring(HTTP_LOCALHOST.length()));
        } else {
            out.writeByte(PREFIX_UNKNOWN);
            DataIO.writeString(out, uri.stringValue());
        }

        out.writeLong(uri.getCreated().getTime());
    }
}

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

/** Serialize an {@link INodeFileAttributes}. */
public static void writeINodeFileAttributes(INodeFileAttributes file, DataOutput out) throws IOException {
    LOG.info("== Inside writeINodeFileAttributes() ==");
    LOG.info("Parameters count and cached");
    LOG.info("ACCESSCNT " + file.getAccessCount());
    LOG.info("CACHED " + file.getIsCached());

    writeLocalName(file, out);/* w w  w  . j a va2 s  .com*/
    writePermissionStatus(file, out);
    out.writeLong(file.getModificationTime());
    out.writeLong(file.getAccessTime());

    out.writeShort(file.getFileReplication());
    out.writeLong(file.getPreferredBlockSize());
    out.writeLong(file.getAccessCount());
    out.writeInt(file.getIsCached());
}

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

/**
 * Serialize a {@link INodeFile} node/*from  ww  w .j ava2s .co  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.datanode.BlockCrcInfoWritable.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeLong(blockId);
    out.writeLong(blockGenStamp);//  w w w. ja  v a  2s.  com
    out.writeInt(blockCrc);
}

From source file:com.sirius.hadoop.job.onlinetime.OnlineRecord.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeLong(onlineTime);
    out.writeLong(offlineTime);//w w w  . j  a  v  a  2s.  c  om
    out.writeLong(cost);

}

From source file:org.apache.hadoop.hive.jdbc.storagehandler.JdbcDBInputSplit.java

/** {@inheritDoc} */

public void write(DataOutput output) throws IOException {
    output.writeLong(this.start);
    output.writeLong(this.end);
}

From source file:org.apache.cassandra.db.TimestampClock.java

public void serialize(IClock tc, DataOutput out) throws IOException {
    out.writeLong(((TimestampClock) tc).timestamp());
}

From source file:org.springdata.ehcache.core.Book.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeLong(id);
    out.writeUTF(author);//  w  w  w  .j  av a2  s.  c  o m
    out.writeDouble(price);
}