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.marmotta.kiwi.io.KiWiIO.java

/**
 * Efficiently serialize a KiWiBooleanLiteral to a DataOutput destination.
 *
 * @param out the destination//from   w ww  . j  a  va 2s . c om
 * @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());
    }
}

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

/**
 * Efficiently serialize a KiWiTriple to a DataOutput destination.
 *
 * @param output the destination//from   w  ww  .ja  v a2  s  .c o m
 * @param triple the KiWiTriple to serialize
 * @throws IOException
 */
public static void writeTriple(DataOutput output, KiWiTriple triple) throws IOException {
    output.writeLong(triple.getId());

    // in case subject and object are both uris we use a special prefix-compressed mode
    if (triple.getSubject().isUriResource() && triple.getObject().isUriResource()) {
        String sUri = triple.getSubject().stringValue();
        String oUri = triple.getObject().stringValue();

        String prefix = StringUtils.getCommonPrefix(sUri, oUri);

        output.writeByte(MODE_PREFIX);
        DataIO.writeString(output, prefix);

        output.writeLong(triple.getSubject().getId());
        DataIO.writeString(output, sUri.substring(prefix.length()));
        output.writeLong(triple.getSubject().getCreated().getTime());

        writeURI(output, triple.getPredicate());

        output.writeLong(triple.getObject().getId());
        DataIO.writeString(output, oUri.substring(prefix.length()));
        output.writeLong(triple.getObject().getCreated().getTime());
    } else {
        output.writeByte(MODE_DEFAULT);

        writeNode(output, triple.getSubject());
        writeURI(output, triple.getPredicate());
        writeNode(output, triple.getObject());

    }

    writeNode(output, triple.getContext());
    writeNode(output, triple.getCreator());
    output.writeBoolean(triple.isDeleted());
    output.writeBoolean(triple.isInferred());
    output.writeBoolean(triple.isNewTriple());
    output.writeLong(triple.getCreated().getTime());
    if (triple.getDeletedAt() != null) {
        output.writeLong(triple.getDeletedAt().getTime());
    } else {
        output.writeLong(0);
    }
}

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From source file:org.apache.nutch.crawl.CrawlDatum.java

public void write(DataOutput out) throws IOException {
    out.writeByte(CUR_VERSION); // store current version
    out.writeByte(status);/*w  w  w.ja  va  2s.  c  o m*/
    out.writeLong(fetchTime);
    out.writeByte(retries);
    out.writeInt(fetchInterval);
    out.writeFloat(score);
    out.writeLong(modifiedTime);
    if (signature == null) {
        out.writeByte(0);
    } else {
        out.writeByte(signature.length);
        out.write(signature);
    }
    if (metaData != null && metaData.size() > 0) {
        out.writeBoolean(true);
        metaData.write(out);
    } else {
        out.writeBoolean(false);
    }
}

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From source file:org.apache.oozie.coord.input.dependency.AbstractCoordInputDependency.java

@Override
public void write(DataOutput out) throws IOException {
    WritableUtils.writeStringAsBytes(out, INTERNAL_VERSION_ID);
    out.writeBoolean(isDependencyMet);
    WritableUtils.writeMapWithList(out, dependencyMap);
}

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From source file:org.apache.oozie.coord.input.dependency.CoordUnResolvedInputDependency.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeBoolean(isResolved);
    WritableUtils.writeStringList(out, dependency);
    WritableUtils.writeStringList(out, resolvedList);
}

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From source file:org.apache.pig.data.DataReaderWriter.java

@SuppressWarnings("unchecked")
public static void writeDatum(DataOutput out, Object val) throws IOException {
    // Read the data type
    byte type = DataType.findType(val);
    switch (type) {
    case DataType.TUPLE:
        // Because tuples are written directly by hadoop, the
        // tuple's write method needs to write the indicator byte.
        // So don't write the indicator byte here as it is for
        // everyone else.
        ((Tuple) val).write(out);
        break;//from   w  ww .  j  ava 2s  . c om

    case DataType.BAG:
        out.writeByte(DataType.BAG);
        ((DataBag) val).write(out);
        break;

    case DataType.MAP: {
        out.writeByte(DataType.MAP);
        Map<String, Object> m = (Map<String, Object>) val;
        out.writeInt(m.size());
        Iterator<Map.Entry<String, Object>> i = m.entrySet().iterator();
        while (i.hasNext()) {
            Map.Entry<String, Object> entry = i.next();
            writeDatum(out, entry.getKey());
            writeDatum(out, entry.getValue());
        }
        break;
    }

    case DataType.INTERNALMAP: {
        out.writeByte(DataType.INTERNALMAP);
        Map<Object, Object> m = (Map<Object, Object>) val;
        out.writeInt(m.size());
        Iterator<Map.Entry<Object, Object>> i = m.entrySet().iterator();
        while (i.hasNext()) {
            Map.Entry<Object, Object> entry = i.next();
            writeDatum(out, entry.getKey());
            writeDatum(out, entry.getValue());
        }
        break;
    }

    case DataType.INTEGER:
        out.writeByte(DataType.INTEGER);
        out.writeInt((Integer) val);
        break;

    case DataType.LONG:
        out.writeByte(DataType.LONG);
        out.writeLong((Long) val);
        break;

    case DataType.FLOAT:
        out.writeByte(DataType.FLOAT);
        out.writeFloat((Float) val);
        break;

    case DataType.DOUBLE:
        out.writeByte(DataType.DOUBLE);
        out.writeDouble((Double) val);
        break;

    case DataType.BOOLEAN:
        out.writeByte(DataType.BOOLEAN);
        out.writeBoolean((Boolean) val);
        break;

    case DataType.BYTE:
        out.writeByte(DataType.BYTE);
        out.writeByte((Byte) val);
        break;

    case DataType.BYTEARRAY: {
        out.writeByte(DataType.BYTEARRAY);
        DataByteArray bytes = (DataByteArray) val;
        out.writeInt(bytes.size());
        out.write(bytes.mData);
        break;
    }

    case DataType.CHARARRAY: {
        String s = (String) val;
        byte[] utfBytes = s.getBytes(DataReaderWriter.UTF8);
        int length = utfBytes.length;

        if (length < DataReaderWriter.UNSIGNED_SHORT_MAX) {
            out.writeByte(DataType.CHARARRAY);
            out.writeShort(length);
            out.write(utfBytes);
        } else {
            out.writeByte(DataType.BIGCHARARRAY);
            out.writeInt(length);
            out.write(utfBytes);
        }
        break;
    }
    case DataType.GENERIC_WRITABLECOMPARABLE:
        out.writeByte(DataType.GENERIC_WRITABLECOMPARABLE);
        //store the class name, so we know the class to create on read
        writeDatum(out, val.getClass().getName());
        Writable writable = (Writable) val;
        writable.write(out);
        break;

    case DataType.NULL:
        out.writeByte(DataType.NULL);
        break;

    default:
        throw new RuntimeException("Unexpected data type " + type + " found in stream.");
    }
}

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From source file:org.apache.rya.accumulo.mr.RyaStatementWritable.java

/**
 * Serializes this RyaStatementWritable.
 * @param   dataOutput  An output stream for serialized statement data.
 * @throws  IOException if the RyaStatement is null or otherwise can't be
 *          serialized.//  w ww  .j a va  2 s.c  om
 */
@Override
public void write(DataOutput dataOutput) throws IOException {
    if (ryaStatement == null) {
        throw new IOException("Rya Statement is null");
    }
    try {
        Map<RdfCloudTripleStoreConstants.TABLE_LAYOUT, TripleRow> map = ryaContext
                .serializeTriple(ryaStatement);
        TripleRow tripleRow = map.get(RdfCloudTripleStoreConstants.TABLE_LAYOUT.SPO);
        byte[] row = tripleRow.getRow();
        byte[] columnFamily = tripleRow.getColumnFamily();
        byte[] columnQualifier = tripleRow.getColumnQualifier();
        write(dataOutput, row);
        write(dataOutput, columnFamily);
        write(dataOutput, columnQualifier);
        write(dataOutput, ryaStatement.getColumnVisibility());
        write(dataOutput, ryaStatement.getValue());
        Long timestamp = ryaStatement.getTimestamp();
        boolean b = timestamp != null;
        dataOutput.writeBoolean(b);
        if (b) {
            dataOutput.writeLong(timestamp);
        }
    } catch (TripleRowResolverException e) {
        throw new IOException(e);
    }
}

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From source file:org.apache.rya.accumulo.mr.RyaStatementWritable.java

/**
 * Write part of a statement to an output stream.
 * @param dataOutput Stream for writing serialized statements.
 * @param row   Individual field to write, as a byte array.
 * @throws IOException if writing to the stream fails.
 *//*w  ww  .jav a 2  s.  c  om*/
protected void write(DataOutput dataOutput, byte[] row) throws IOException {
    boolean b = row != null;
    dataOutput.writeBoolean(b);
    if (b) {
        dataOutput.writeInt(row.length);
        dataOutput.write(row);
    }
}

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From source file:org.apache.sysml.runtime.compress.CompressedMatrixBlock.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeBoolean(isCompressed());

    //serialize uncompressed block
    if (!isCompressed()) {
        super.write(out);
        return;// w  w  w.  j a va 2 s . com
    }

    //serialize compressed matrix block
    out.writeInt(rlen);
    out.writeInt(clen);
    out.writeLong(nonZeros);
    out.writeInt(_colGroups.size());

    for (ColGroup grp : _colGroups) {
        out.writeByte(grp.getCompType().ordinal());
        grp.write(out); //delegate serialization
    }
}

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From source file:org.apache.sysml.runtime.matrix.data.FrameBlock.java

@Override
public void write(DataOutput out) throws IOException {
    boolean isDefaultMeta = isColNamesDefault() && isColumnMetadataDefault();
    //write header (rows, cols, default)
    out.writeInt(getNumRows());//from w  w w.  ja v  a 2 s  .co m
    out.writeInt(getNumColumns());
    out.writeBoolean(isDefaultMeta);
    //write columns (value type, data)
    for (int j = 0; j < getNumColumns(); j++) {
        out.writeByte(_schema[j].ordinal());
        if (!isDefaultMeta) {
            out.writeUTF(getColumnName(j));
            out.writeLong(_colmeta[j].getNumDistinct());
            out.writeUTF((_colmeta[j].getMvValue() != null) ? _colmeta[j].getMvValue() : "");
        }
        _coldata[j].write(out);
    }
}

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