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:com.mapr.hbase.support.objects.MHRegionInfo090x.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    Bytes.writeByteArray(out, endKey);/*  w  ww  . j  ava2s .  c o m*/
    out.writeBoolean(offLine);
    out.writeLong(regionId);
    Bytes.writeByteArray(out, regionName);
    out.writeBoolean(split);
    Bytes.writeByteArray(out, startKey);
    tableDesc.write(out);
    out.writeInt(hashCode);
}

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

public void write(DataOutput out) throws IOException {
    taskid.write(out);/*from w w  w .ja v a2s  .  c  o m*/
    out.writeFloat(progress);
    out.writeInt(numSlots);
    WritableUtils.writeEnum(out, runState);
    Text.writeString(out, diagnosticInfo);
    Text.writeString(out, stateString);
    WritableUtils.writeEnum(out, phase);
    out.writeLong(startTime);
    out.writeLong(finishTime);
    out.writeBoolean(includeCounters);
    out.writeLong(outputSize);
    if (includeCounters) {
        counters.write(out);
    }
    nextRecordRange.write(out);
}

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From source file:com.mobicage.rogerthat.registration.RegistrationWizard2.java

@SuppressWarnings("unchecked")
@Override/*from   w w  w.  j  av  a  2s  . c om*/
public void writePickle(DataOutput out) throws IOException {
    T.UI();
    super.writePickle(out);
    boolean set = mCredentials != null;
    out.writeBoolean(set);
    if (set) {
        out.writeInt(mCredentials.getPickleClassVersion());
        mCredentials.writePickle(out);
    }
    set = mEmail != null;
    out.writeBoolean(set);
    if (set)
        out.writeUTF(mEmail);
    out.writeLong(mTimestamp);
    out.writeUTF(mRegistrationId);
    out.writeBoolean(mInGoogleAuthenticationProcess);
    out.writeUTF(mInstallationId);
    out.writeUTF(mDeviceId);
    set = mBeaconRegions != null;
    out.writeBoolean(set);
    if (set)
        out.writeUTF(JSONValue.toJSONString(mBeaconRegions.toJSONMap()));
    set = mDetectedBeacons != null;
    out.writeBoolean(set);
    if (set) {
        JSONArray db1 = new JSONArray();
        for (String db : mDetectedBeacons) {
            db1.add(db);
        }
        out.writeUTF(JSONValue.toJSONString(db1));
    }
}

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From source file:com.mapr.hbase.support.objects.MHRegionInfo.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeByte(getVersion());/*  w ww .ja v  a2  s . c o m*/
    Bytes.writeByteArray(out, endKey);
    out.writeBoolean(offLine);
    out.writeLong(regionId);
    Bytes.writeByteArray(out, regionName);
    out.writeBoolean(split);
    Bytes.writeByteArray(out, startKey);
    if (getVersion() == 0) {
        tableDesc.write(out);
    } else {
        Bytes.writeByteArray(out, tableName);
    }
    out.writeInt(hashCode);
}

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From source file:org.apache.vxquery.jsonparser.JSONParser.java

public void atomicValues(int tag, JsonParser parser, DataOutput out, StringValueBuilder svb, int levelArray,
        int levelObject) throws IOException {
    abvsStack.get(0).reset();//from  w  ww .j  a  v  a 2  s  .c  om
    out.write(tag);
    if (tag == ValueTag.XS_DOUBLE_TAG) {
        out.writeDouble(parser.getDoubleValue());
    } else if (tag == ValueTag.XS_STRING_TAG) {
        svb.write(parser.getText(), out);
    } else if (tag == ValueTag.XS_INTEGER_TAG) {
        out.writeLong(parser.getLongValue());
    }
    if (!itemStack.isEmpty()) {
        if (itemStack.get(itemStack.size() - 1) == itemType.ARRAY) {
            abStack.get(levelArray - 1).addItem(abvsStack.get(0));
            if (valueSeq != null && this.matched && levelArray == this.arrayMatchLevel) {
                this.literal = true;
                this.matched = false;
                writeElement(abvsStack.get(0));
            }
        } else if (itemStack.get(itemStack.size() - 1) == itemType.OBJECT) {
            obStack.get(levelObject - 1).addItem(spStack.get(levelObject - 1), abvsStack.get(0));
            if (valueSeq != null && this.matched && levelObject == this.objectMatchLevel) {
                this.literal = true;
                this.matched = false;
                writeElement(abvsStack.get(0));
            }
        }
    }
}

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From source file:dk.statsbiblioteket.util.LineReaderTest.java

public void writeSample(DataOutput out) throws Exception {
    out.writeInt(12345);/* w w  w  .j  a va  2s  . c  o  m*/
    out.writeInt(-87);
    out.writeLong(123456789L);
    out.write("Hello World!\n".getBytes("utf-8"));
    out.write("Another world\n".getBytes("utf-8"));
    out.writeFloat(0.5f);
    out.writeBoolean(true);
    out.writeBoolean(false);
    out.writeByte(12);
    out.writeByte(-12);
    out.write(129);
    out.writeShort(-4567);
    out.writeBytes("ASCII");
}

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From source file:org.apache.isis.objectstore.nosql.db.file.server.FileServer.java

private void syncConnection(final Socket connection, final int readTimeout) {
    try {/*from  w w w. j  a  v a 2  s .  c  o  m*/
        final CRC32 crc32 = new CRC32();
        final DataOutput output = new DataOutputStream(connection.getOutputStream());
        final DataInput input = new DataInputStream(new CheckedInputStream(connection.getInputStream(), crc32));

        if (input.readByte() != INIT) {
            return;
        }

        final LogRange logFileRange = Util.logFileRange();
        final long lastId = logFileRange.noLogFile() ? -1 : logFileRange.getLast();
        output.writeLong(lastId);
        do {
            if (input.readByte() != RECOVERY_LOG) {
                return;
            }
            crc32.reset();
            final long logId = input.readLong();
            final File file = Util.tmpLogFile(logId);
            LOG.info("syncing recovery file: " + file.getName());
            final BufferedOutputStream fileOutput = new BufferedOutputStream(new FileOutputStream(file));

            final byte[] buffer = new byte[8092];
            int length;
            while ((length = input.readInt()) > 0) {
                input.readFully(buffer, 0, length);
                fileOutput.write(buffer, 0, length);
            }
            fileOutput.close();

            final long calculatedChecksum = crc32.getValue();
            final long sentChecksum = input.readLong();
            if (calculatedChecksum != sentChecksum) {
                throw new NoSqlStoreException("Checksum didn't match during download of " + file.getName());
            }

            recover(file);
            final File renameTo = Util.logFile(logId);
            file.renameTo(renameTo);
        } while (true);
    } catch (final NoSqlStoreException e) {
        LOG.error("file server failure", e);
    } catch (final IOException e) {
        LOG.error("networking failure", e);
    } catch (final RuntimeException e) {
        LOG.error("request failure", e);
    } finally {
        try {
            connection.close();
        } catch (final IOException e) {
            LOG.warn("failure to close connection", e);
        }
    }

    // TODO restart
}

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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 a v  a2s.  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./*from  w  w  w.j av a  2  s  . c  o  m*/
 */
@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.hadoop.hbase.regionserver.wal.HLogKey.java

@Override
@Deprecated/*from   www .j  a v  a2  s . co m*/
public void write(DataOutput out) throws IOException {
    LOG.warn("HLogKey is being serialized to writable - only expected in test code");
    WritableUtils.writeVInt(out, VERSION.code);
    if (compressionContext == null) {
        Bytes.writeByteArray(out, this.encodedRegionName);
        Bytes.writeByteArray(out, this.tablename.getName());
    } else {
        Compressor.writeCompressed(this.encodedRegionName, 0, this.encodedRegionName.length, out,
                compressionContext.regionDict);
        Compressor.writeCompressed(this.tablename.getName(), 0, this.tablename.getName().length, out,
                compressionContext.tableDict);
    }
    out.writeLong(this.logSeqNum);
    out.writeLong(this.writeTime);
    // Don't need to write the clusters information as we are using protobufs from 0.95
    // Writing only the first clusterId for testing the legacy read
    Iterator<UUID> iterator = clusterIds.iterator();
    if (iterator.hasNext()) {
        out.writeBoolean(true);
        UUID clusterId = iterator.next();
        out.writeLong(clusterId.getMostSignificantBits());
        out.writeLong(clusterId.getLeastSignificantBits());
    } else {
        out.writeBoolean(false);
    }
}

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