List of usage examples for java.io DataOutput writeLong
void writeLong(long v) throws IOException;
long value, which is comprised of eight bytes, to the output stream. From source file:org.apache.pig.data.BinInterSedes.java
private void writeBag(DataOutput out, DataBag bag) throws IOException { // We don't care whether this bag was sorted or distinct because // using the iterator to write it will guarantee those things come // correctly. And on the other end there'll be no reason to waste // time re-sorting or re-applying distinct. final long sz = bag.size(); if (sz < UNSIGNED_BYTE_MAX) { out.writeByte(TINYBAG);// w w w . j ava 2 s. com out.writeByte((int) sz); } else if (sz < UNSIGNED_SHORT_MAX) { out.writeByte(SMALLBAG); out.writeShort((int) sz); } else { out.writeByte(BAG); out.writeLong(sz); } Iterator<Tuple> it = bag.iterator(); while (it.hasNext()) { writeTuple(out, it.next()); } }
From source file:com.fiorano.openesb.application.aps.Route.java
/** * This method is called to write this object of <code>Route</code> to the * specified output stream object.// w w w . j a v a 2 s . c o m * * @param out DataOutput object * @param versionNo * @exception IOException if an error occurs while converting data and * writing it to a binary stream. * @see #fromStream(DataInput, int) * @since Tifosi2.0 */ public void toStream(DataOutput out, int versionNo) throws IOException { super.toStream(out, versionNo); out.writeBoolean(m_isP2PRoute); out.writeBoolean(m_isPersitant); out.writeBoolean(m_isDurable); out.writeBoolean(m_applyTransformationAtSrc); if (m_routeName != null) { UTFReaderWriter.writeUTF(out, m_routeName); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_routeGUID != null) { UTFReaderWriter.writeUTF(out, m_routeGUID); } else { UTFReaderWriter.writeUTF(out, ""); } out.writeLong(m_iTimeToLive); if (m_srcServInst != null) { UTFReaderWriter.writeUTF(out, m_srcServInst); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_trgtServInst != null) { UTFReaderWriter.writeUTF(out, m_trgtServInst); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_srcPortName != null) { UTFReaderWriter.writeUTF(out, m_srcPortName); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_trgtPortName != null) { UTFReaderWriter.writeUTF(out, m_trgtPortName); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_transformationXSL != null) { UTFReaderWriter.writeUTF(out, m_transformationXSL); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_selectors != null) { int size = m_selectors.size(); // For newer versions i am writing -1. out.writeInt(-1); out.writeInt(size); Set keys = m_selectors.keySet(); Iterator itr = keys.iterator(); while (itr.hasNext()) { String type = (String) itr.next(); Object obj = m_selectors.get(type); if (type == null) type = ""; // Write the type. UTFReaderWriter.writeUTF(out, type); if (type.equalsIgnoreCase(MESSAGE_BODY_XPATH) || type.equalsIgnoreCase(APP_CONTEXT_XPATH)) { // Then ask the dmi to streamify. ((XPathDmi) obj).toStream(out, versionNo); } else { String value = (String) obj; if (value == null) value = ""; UTFReaderWriter.writeUTF(out, value); } } } else { out.writeInt(0); } if (m_params != null) { int length = m_params.size(); out.writeInt(length); Enumeration params = m_params.elements(); while (params.hasMoreElements()) { Param param = (Param) params.nextElement(); param.toStream(out, versionNo); } } else { out.writeInt(0); } if (m_shortDescription != null) { UTFReaderWriter.writeUTF(out, m_shortDescription); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_longDescription != null) { UTFReaderWriter.writeUTF(out, m_longDescription); } else { UTFReaderWriter.writeUTF(out, ""); } if (m_altDestination != null) { out.writeInt(1); m_altDestination.toStream(out, versionNo); } else { out.writeInt(0); } }
From source file:org.apache.sysml.runtime.compress.CompressedMatrixBlock.java
@Override public void write(DataOutput out) throws IOException { out.writeBoolean(isCompressed());/*from ww w.j a v a 2s .c om*/ //serialize uncompressed block if (!isCompressed()) { super.write(out); return; } //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 } }
From source file:org.apache.hadoop.hbase.security.access.HbaseObjectWritableFor96Migration.java
/** * Write a {@link Writable}, {@link String}, primitive type, or an array of * the preceding./*from w w w .j av a2 s.c om*/ * @param out * @param instance * @param declaredClass * @param conf * @throws IOException */ @SuppressWarnings("unchecked") static void writeObject(DataOutput out, Object instance, Class declaredClass, Configuration conf) throws IOException { Object instanceObj = instance; Class declClass = declaredClass; if (instanceObj == null) { // null instanceObj = new NullInstance(declClass, conf); declClass = Writable.class; } writeClassCode(out, declClass); if (declClass.isArray()) { // array // If bytearray, just dump it out -- avoid the recursion and // byte-at-a-time we were previously doing. if (declClass.equals(byte[].class)) { Bytes.writeByteArray(out, (byte[]) instanceObj); } else { //if it is a Generic array, write the element's type if (getClassCode(declaredClass) == GENERIC_ARRAY_CODE) { Class<?> componentType = declaredClass.getComponentType(); writeClass(out, componentType); } int length = Array.getLength(instanceObj); out.writeInt(length); for (int i = 0; i < length; i++) { Object item = Array.get(instanceObj, i); writeObject(out, item, item.getClass(), conf); } } } else if (List.class.isAssignableFrom(declClass)) { List list = (List) instanceObj; int length = list.size(); out.writeInt(length); for (int i = 0; i < length; i++) { Object elem = list.get(i); writeObject(out, elem, elem == null ? Writable.class : elem.getClass(), conf); } } else if (declClass == String.class) { // String Text.writeString(out, (String) instanceObj); } else if (declClass.isPrimitive()) { // primitive type if (declClass == Boolean.TYPE) { // boolean out.writeBoolean(((Boolean) instanceObj).booleanValue()); } else if (declClass == Character.TYPE) { // char out.writeChar(((Character) instanceObj).charValue()); } else if (declClass == Byte.TYPE) { // byte out.writeByte(((Byte) instanceObj).byteValue()); } else if (declClass == Short.TYPE) { // short out.writeShort(((Short) instanceObj).shortValue()); } else if (declClass == Integer.TYPE) { // int out.writeInt(((Integer) instanceObj).intValue()); } else if (declClass == Long.TYPE) { // long out.writeLong(((Long) instanceObj).longValue()); } else if (declClass == Float.TYPE) { // float out.writeFloat(((Float) instanceObj).floatValue()); } else if (declClass == Double.TYPE) { // double out.writeDouble(((Double) instanceObj).doubleValue()); } else if (declClass == Void.TYPE) { // void } else { throw new IllegalArgumentException("Not a primitive: " + declClass); } } else if (declClass.isEnum()) { // enum Text.writeString(out, ((Enum) instanceObj).name()); } else if (Message.class.isAssignableFrom(declaredClass)) { Text.writeString(out, instanceObj.getClass().getName()); ((Message) instance).writeDelimitedTo(DataOutputOutputStream.constructOutputStream(out)); } else if (Writable.class.isAssignableFrom(declClass)) { // Writable Class<?> c = instanceObj.getClass(); Integer code = CLASS_TO_CODE.get(c); if (code == null) { out.writeByte(NOT_ENCODED); Text.writeString(out, c.getName()); } else { writeClassCode(out, c); } ((Writable) instanceObj).write(out); } else if (Serializable.class.isAssignableFrom(declClass)) { Class<?> c = instanceObj.getClass(); Integer code = CLASS_TO_CODE.get(c); if (code == null) { out.writeByte(NOT_ENCODED); Text.writeString(out, c.getName()); } else { writeClassCode(out, c); } ByteArrayOutputStream bos = null; ObjectOutputStream oos = null; try { bos = new ByteArrayOutputStream(); oos = new ObjectOutputStream(bos); oos.writeObject(instanceObj); byte[] value = bos.toByteArray(); out.writeInt(value.length); out.write(value); } finally { if (bos != null) bos.close(); if (oos != null) oos.close(); } } else if (Scan.class.isAssignableFrom(declClass)) { Scan scan = (Scan) instanceObj; byte[] scanBytes = ProtobufUtil.toScan(scan).toByteArray(); out.writeInt(scanBytes.length); out.write(scanBytes); } else { throw new IOException("Can't write: " + instanceObj + " as " + declClass); } }
From source file:org.mhisoft.wallet.service.AttachmentService.java
/** * @param transferStoreMode a new store will be created because the old one has t * @param oldStoreFileName provide along with the transferStoreMode. for read the contents to be transfered to the new store when doing compacting. * @param itemStartPos start position for the data output file. * @param dataOut data output file/stream * @param t the FileAccessTable contains the entries to write. * @param encryptor The encryptor * @throws IOException/*w w w. jav a2s. c o m*/ */ protected void writeFileEntries(WalletModel model, boolean transferStoreMode, String oldStoreFileName, final long itemStartPos, DataOutput dataOut, final FileAccessTable t, final PBEEncryptor oldEncryptorForRead, final PBEEncryptor encryptor) throws IOException { long pos = itemStartPos; //write it out //dataOut = new DataOutputStream(new FileOutputStream(new File(outoutFIleName))); //write the total number of entries first /*#0*/ //dataOut.writeInt(t.getEntries().size()); //itemStartPos = 4; String impAttachmentStoreName = null; if (model.getImpModel() != null) impAttachmentStoreName = getAttachmentFileName(model.getImpModel().getVaultFileName()); //write each entry for (int i = 0; i < t.getEntries().size(); i++) { FileAccessEntry fileAccessEntry = t.getEntries().get(i); //not handleing the deleted entries. if (fileAccessEntry.getAccessFlag() == FileAccessFlag.Delete) { continue; } logger.fine("------------------"); logger.fine("Write entry: " + fileAccessEntry.getGUID() + "-" + fileAccessEntry.getFileName()); logger.fine("\t access flag: " + fileAccessEntry.getAccessFlag()); logger.fine("\t start pos: " + pos); fileAccessEntry.setPosition(pos); /* UUID*/ int uuidSize = FileUtils.writeString(dataOut, fileAccessEntry.getGUID()); pos += 40; /* accessflag */ dataOut.writeInt(0); pos += 4; /* position */ dataOut.writeLong(fileAccessEntry.getPosition()); pos += 8; /* write filename encrypted */ String strFName = FileUtils.getFileNameWithoutPath(fileAccessEntry.getFileName()); logger.fine("\t write file name: " + strFName); byte[] _byteFileName = StringUtils.getBytes(strFName); pos = writeEncryptedContent(_byteFileName, encryptor, dataOut, pos); logger.fine("\t pos: " + pos); /* Attachment body */ byte[] attachmentBytes; if (fileAccessEntry.getAccessFlag() == FileAccessFlag.Merge && fileAccessEntry.getEncSize() > 0) { if (impAttachmentStoreName == null) throw new IOException("impAttachmentStoreName is not set."); //depends on the import model version, it might or might not be compressed //test case: import an old version data file with attachments. byte[] _impBytes = readCompressedFileContent(model.getImpModel().getCurrentDataFileVersion(), impAttachmentStoreName, fileAccessEntry, model.getImpModel().getEncryptor()); if (model.getImpModel().getCurrentDataFileVersion() >= WalletModel.LATEST_DATA_VERSION) { //it is compressed. attachmentBytes = _impBytes; } else { //not compressed, need to compress it. attachmentBytes = CompressionUtil.getCompressedBytes(new ByteArrayInputStream(_impBytes)); } } else if (transferStoreMode && fileAccessEntry.getAccessFlag() == FileAccessFlag.None && fileAccessEntry.getEncSize() > 0) { // no change, this is an transfer to the new store. need to read the filecontent from the old store. // could be upgrade scenario as well. // should be able to skip the compression-decompression process. byte[] _bytes = readCompressedFileContent(model.getCurrentDataFileVersion(), oldStoreFileName, fileAccessEntry, oldEncryptorForRead); if (model.getCurrentDataFileVersion() < WalletModel.LATEST_DATA_VERSION) { //it was not compressed. attachmentBytes = CompressionUtil.getCompressedBytes(new ByteArrayInputStream(_bytes)); logger.fine("\t transfer from old store. compress contennt. before " + _bytes.length + ", after:" + attachmentBytes.length); } else attachmentBytes = _bytes; } else { /* for CREATE OR UPDATE or a new store */ //read from file //since v14 , start to compress the contents. File f = fileAccessEntry.getFile(); FileInputStream sourceInputStream = new FileInputStream(f); if (model.getCurrentDataFileVersion() < WalletModel.LATEST_DATA_VERSION) { //for testing, write the old version format. un-compressed attachmentBytes = FileUtils.readFile(sourceInputStream); logger.fine("\t write entry by reading from file, not compressed: " + fileAccessEntry.getFile() + ", original size:" + fileAccessEntry.getFile().length()); } else { attachmentBytes = CompressionUtil.getCompressedBytes(sourceInputStream); logger.fine("\t write entry by reading from file: " + fileAccessEntry.getFile() + ", original size:" + fileAccessEntry.getFile().length() + ", compressed size:" + attachmentBytes.length); } } //encrypted the compressed bytes and write out. pos = writeEncryptedContent(attachmentBytes, encryptor, dataOut, pos); } }
From source file:org.apache.hadoop.hbase.io.HbaseObjectWritable.java
/** * Write a {@link Writable}, {@link String}, primitive type, or an array of * the preceding./*w w w.jav a 2 s .c om*/ * @param out * @param instance * @param declaredClass * @param conf * @throws IOException */ @SuppressWarnings("unchecked") public static void writeObject(DataOutput out, Object instance, Class declaredClass, Configuration conf) throws IOException { Object instanceObj = instance; Class declClass = declaredClass; if (instanceObj == null) { // null instanceObj = new NullInstance(declClass, conf); declClass = Writable.class; } writeClassCode(out, declClass); if (declClass.isArray()) { // array // If bytearray, just dump it out -- avoid the recursion and // byte-at-a-time we were previously doing. if (declClass.equals(byte[].class)) { Bytes.writeByteArray(out, (byte[]) instanceObj); } else if (declClass.equals(Result[].class)) { Result.writeArray(out, (Result[]) instanceObj); } else { //if it is a Generic array, write the element's type if (getClassCode(declaredClass) == GENERIC_ARRAY_CODE) { Class<?> componentType = declaredClass.getComponentType(); writeClass(out, componentType); } int length = Array.getLength(instanceObj); out.writeInt(length); for (int i = 0; i < length; i++) { Object item = Array.get(instanceObj, i); writeObject(out, item, item.getClass(), conf); } } } else if (List.class.isAssignableFrom(declClass)) { List list = (List) instanceObj; int length = list.size(); out.writeInt(length); for (int i = 0; i < length; i++) { Object elem = list.get(i); writeObject(out, elem, elem == null ? Writable.class : elem.getClass(), conf); } } else if (declClass == String.class) { // String Text.writeString(out, (String) instanceObj); } else if (declClass.isPrimitive()) { // primitive type if (declClass == Boolean.TYPE) { // boolean out.writeBoolean(((Boolean) instanceObj).booleanValue()); } else if (declClass == Character.TYPE) { // char out.writeChar(((Character) instanceObj).charValue()); } else if (declClass == Byte.TYPE) { // byte out.writeByte(((Byte) instanceObj).byteValue()); } else if (declClass == Short.TYPE) { // short out.writeShort(((Short) instanceObj).shortValue()); } else if (declClass == Integer.TYPE) { // int out.writeInt(((Integer) instanceObj).intValue()); } else if (declClass == Long.TYPE) { // long out.writeLong(((Long) instanceObj).longValue()); } else if (declClass == Float.TYPE) { // float out.writeFloat(((Float) instanceObj).floatValue()); } else if (declClass == Double.TYPE) { // double out.writeDouble(((Double) instanceObj).doubleValue()); } else if (declClass == Void.TYPE) { // void } else { throw new IllegalArgumentException("Not a primitive: " + declClass); } } else if (declClass.isEnum()) { // enum Text.writeString(out, ((Enum) instanceObj).name()); } else if (Message.class.isAssignableFrom(declaredClass)) { Text.writeString(out, instanceObj.getClass().getName()); ((Message) instance).writeDelimitedTo(DataOutputOutputStream.constructOutputStream(out)); } else if (Writable.class.isAssignableFrom(declClass)) { // Writable Class<?> c = instanceObj.getClass(); Integer code = CLASS_TO_CODE.get(c); if (code == null) { out.writeByte(NOT_ENCODED); Text.writeString(out, c.getName()); } else { writeClassCode(out, c); } ((Writable) instanceObj).write(out); } else if (Serializable.class.isAssignableFrom(declClass)) { Class<?> c = instanceObj.getClass(); Integer code = CLASS_TO_CODE.get(c); if (code == null) { out.writeByte(NOT_ENCODED); Text.writeString(out, c.getName()); } else { writeClassCode(out, c); } ByteArrayOutputStream bos = null; ObjectOutputStream oos = null; try { bos = new ByteArrayOutputStream(); oos = new ObjectOutputStream(bos); oos.writeObject(instanceObj); byte[] value = bos.toByteArray(); out.writeInt(value.length); out.write(value); } finally { if (bos != null) bos.close(); if (oos != null) oos.close(); } } else { throw new IOException("Can't write: " + instanceObj + " as " + declClass); } }
From source file:org.apache.geode.internal.InternalDataSerializer.java
/** * write a set of Long objects//from w w w . j ava 2 s .com * * @param set the set of Long objects * @param hasLongIDs if false, write only ints, not longs * @param out the output stream */ public static void writeSetOfLongs(Set set, boolean hasLongIDs, DataOutput out) throws IOException { if (set == null) { out.writeInt(-1); } else { out.writeInt(set.size()); out.writeBoolean(hasLongIDs); for (Object aSet : set) { Long l = (Long) aSet; if (hasLongIDs) { out.writeLong(l); } else { out.writeInt((int) l.longValue()); } } } }
From source file:org.apache.geode.internal.InternalDataSerializer.java
/** * write a set of Long objects TODO: writeListOfLongs is unused * // ww w . j a v a 2 s . co m * @param list the set of Long objects * @param hasLongIDs if false, write only ints, not longs * @param out the output stream */ public static void writeListOfLongs(List list, boolean hasLongIDs, DataOutput out) throws IOException { if (list == null) { out.writeInt(-1); } else { out.writeInt(list.size()); out.writeBoolean(hasLongIDs); for (Object aList : list) { Long l = (Long) aList; if (hasLongIDs) { out.writeLong(l); } else { out.writeInt((int) l.longValue()); } } } }
From source file:hybridewah.HybridBitmap.java
/** * Serialize.//from w w w . j av a 2s . c o m * * @param out * the DataOutput stream * @throws IOException * Signals that an I/O exception has occurred. */ public void serialize(DataOutput out) throws IOException { out.writeInt(this.sizeinbits); out.writeInt(this.actualsizeinwords); for (int k = 0; k < this.actualsizeinwords; ++k) out.writeLong(this.buffer[k]); out.writeInt(this.rlw.position); }
From source file:org.apache.geode.internal.InternalDataSerializer.java
/** * Write a variable length long the old way (pre 7.0). Use this only in contexts where you might * need to communicate with pre 7.0 members or files. *///from ww w . j av a 2s. c o m public static void writeVLOld(long data, DataOutput out) throws IOException { if (data < 0) { Assert.fail("Data expected to be >=0 is " + data); } if (data <= MAX_BYTE_VL) { out.writeByte((byte) data); } else if (data <= 0x7FFF) { // set the sign bit to indicate a short out.write(((int) data >>> 8 | 0x80) & 0xFF); out.write((int) data >>> 0 & 0xFF); } else if (data <= Integer.MAX_VALUE) { out.writeByte(INT_VL); out.writeInt((int) data); } else { out.writeByte(LONG_VL); out.writeLong(data); } }