List of usage examples for java.io DataOutput writeByte
void writeByte(int v) throws IOException;
v. From source file:com.ibm.bi.dml.runtime.matrix.data.MatrixBlock.java
/** * /*from w w w . j a v a 2s .co m*/ * @param out * @throws IOException */ private void writeDenseToSparse(DataOutput out) throws IOException { out.writeByte(BlockType.SPARSE_BLOCK.ordinal()); //block type writeNnzInfo(out, false); int start = 0; for (int r = 0; r < rlen; r++) { //count nonzeros int nr = 0; for (int i = start; i < start + clen; i++) if (denseBlock[i] != 0.0) nr++; out.writeInt(nr); for (int c = 0; c < clen; c++) { if (denseBlock[start] != 0.0) { out.writeInt(c); out.writeDouble(denseBlock[start]); } start++; } } }
From source file:com.ibm.bi.dml.runtime.matrix.data.MatrixBlock.java
/** * //from w ww. j a v a 2s. c o m * @param out * @throws IOException */ private void writeSparseBlock(DataOutput out) throws IOException { out.writeByte(BlockType.SPARSE_BLOCK.ordinal()); writeNnzInfo(out, false); if (out instanceof MatrixBlockDataOutput) //fast serialize ((MatrixBlockDataOutput) out).writeSparseRows(rlen, sparseRows); else //general case (if fast serialize not supported) { int r = 0; for (; r < Math.min(rlen, sparseRows.length); r++) { if (sparseRows[r] == null) out.writeInt(0); else { int nr = sparseRows[r].size(); out.writeInt(nr); int[] cols = sparseRows[r].getIndexContainer(); double[] values = sparseRows[r].getValueContainer(); for (int j = 0; j < nr; j++) { out.writeInt(cols[j]); out.writeDouble(values[j]); } } } for (; r < rlen; r++) out.writeInt(0); } }
From source file:com.ibm.bi.dml.runtime.matrix.data.MatrixBlock.java
/** * //from w w w .j av a 2s .co m * @param out * @throws IOException */ private void writeDenseToUltraSparse(DataOutput out) throws IOException { out.writeByte(BlockType.ULTRA_SPARSE_BLOCK.ordinal()); writeNnzInfo(out, true); long wnnz = 0; if (clen > 1) //ULTRA-SPARSE BLOCK { //block: write ijv-triples for (int r = 0, ix = 0; r < rlen; r++) for (int c = 0; c < clen; c++, ix++) if (denseBlock[ix] != 0) { out.writeInt(r); out.writeInt(c); out.writeDouble(denseBlock[ix]); wnnz++; } } else //ULTRA-SPARSE COL { //col: write iv-pairs for (int r = 0; r < rlen; r++) if (denseBlock[r] != 0) { out.writeInt(r); out.writeDouble(denseBlock[r]); wnnz++; } } //validity check (nnz must exactly match written nnz) if (nonZeros != wnnz) { throw new IOException( "Invalid number of serialized non-zeros: " + wnnz + " (expected: " + nonZeros + ")"); } }
From source file:com.ibm.bi.dml.runtime.matrix.data.MatrixBlock.java
/** * /*from ww w. jav a 2 s . c om*/ * @param out * @throws IOException */ private void writeSparseToUltraSparse(DataOutput out) throws IOException { out.writeByte(BlockType.ULTRA_SPARSE_BLOCK.ordinal()); writeNnzInfo(out, true); long wnnz = 0; if (clen > 1) //ULTRA-SPARSE BLOCK { //block: write ijv-triples for (int r = 0; r < Math.min(rlen, sparseRows.length); r++) if (sparseRows[r] != null && !sparseRows[r].isEmpty()) { int alen = sparseRows[r].size(); int[] aix = sparseRows[r].getIndexContainer(); double[] avals = sparseRows[r].getValueContainer(); for (int j = 0; j < alen; j++) { //ultra-sparse block: write ijv-triples out.writeInt(r); out.writeInt(aix[j]); out.writeDouble(avals[j]); wnnz++; } } } else //ULTRA-SPARSE COL { //block: write iv-pairs (should never happen since always dense) for (int r = 0; r < Math.min(rlen, sparseRows.length); r++) if (sparseRows[r] != null && !sparseRows[r].isEmpty()) { out.writeInt(r); out.writeDouble(sparseRows[r].getValueContainer()[0]); wnnz++; } } //validity check (nnz must exactly match written nnz) if (nonZeros != wnnz) { throw new IOException( "Invalid number of serialized non-zeros: " + wnnz + " (expected: " + nonZeros + ")"); } }
From source file:com.ibm.bi.dml.runtime.matrix.data.MatrixBlock.java
/** * /*www. j ava2 s . c o m*/ * @param out * @throws IOException */ private void writeSparseToDense(DataOutput out) throws IOException { //write block type 'dense' out.writeByte(BlockType.DENSE_BLOCK.ordinal()); //write data (from sparse to dense) if (sparseRows == null) //empty block for (int i = 0; i < rlen * clen; i++) out.writeDouble(0); else //existing sparse block { for (int i = 0; i < rlen; i++) { if (i < sparseRows.length && sparseRows[i] != null && !sparseRows[i].isEmpty()) { SparseRow arow = sparseRows[i]; int alen = arow.size(); int[] aix = arow.getIndexContainer(); double[] avals = arow.getValueContainer(); //foreach non-zero value, fill with 0s if required for (int j = 0, j2 = 0; j2 < alen; j++, j2++) { for (; j < aix[j2]; j++) out.writeDouble(0); out.writeDouble(avals[j2]); } //remaining 0 values in row for (int j = aix[alen - 1] + 1; j < clen; j++) out.writeDouble(0); } else //empty row for (int j = 0; j < clen; j++) out.writeDouble(0); } } }
From source file:com.ibm.bi.dml.runtime.matrix.data.MatrixBlock.java
/** * /* w ww . j ava 2s .c o m*/ * @param out * @throws IOException */ private void writeEmptyBlock(DataOutput out) throws IOException { //empty blocks do not need to materialize row information out.writeByte(BlockType.EMPTY_BLOCK.ordinal()); }
From source file:org.apache.cassandra.utils.ByteBufferUtil.java
public static void writeWithShortLength(ByteBuffer buffer, DataOutput out) { int length = buffer.remaining(); assert 0 <= length && length <= FBUtilities.MAX_UNSIGNED_SHORT : length; try {// w w w . j a v a 2 s .c o m out.writeByte((length >> 8) & 0xFF); out.writeByte(length & 0xFF); write(buffer, out); // writing data bytes to output source } catch (IOException e) { throw new RuntimeException(e); } }
From source file:org.apache.fop.afp.goca.GraphicsSetProcessColor.java
/** {@inheritDoc} */ public void writeToStream(OutputStream os) throws IOException { float[] colorComponents = color.getColorComponents(null); // COLSPCE/*from www. j a v a 2 s.c o m*/ byte colspace; ColorSpace cs = color.getColorSpace(); int colSpaceType = cs.getType(); ByteArrayOutputStream baout = new ByteArrayOutputStream(); byte[] colsizes; if (colSpaceType == ColorSpace.TYPE_CMYK) { colspace = CMYK; colsizes = new byte[] { 0x08, 0x08, 0x08, 0x08 }; for (int i = 0; i < colorComponents.length; i++) { baout.write(Math.round(colorComponents[i] * 255)); } } else if (colSpaceType == ColorSpace.TYPE_RGB) { colspace = RGB; colsizes = new byte[] { 0x08, 0x08, 0x08, 0x00 }; for (int i = 0; i < colorComponents.length; i++) { baout.write(Math.round(colorComponents[i] * 255)); } } else if (cs instanceof CIELabColorSpace) { colspace = CIELAB; colsizes = new byte[] { 0x08, 0x08, 0x08, 0x00 }; DataOutput dout = new java.io.DataOutputStream(baout); //According to GOCA, I'd expect the multiplicator below to be 255f, not 100f //But only IBM AFP Workbench seems to support Lab colors and it requires "c * 100f" int l = Math.round(colorComponents[0] * 100f); int a = Math.round(colorComponents[1] * 255f) - 128; int b = Math.round(colorComponents[2] * 255f) - 128; dout.writeByte(l); dout.writeByte(a); dout.writeByte(b); } else { throw new IllegalStateException(); } int len = getDataLength(); byte[] data = new byte[12]; data[0] = getOrderCode(); // GSPCOL order code data[1] = (byte) (len - 2); // LEN data[2] = 0x00; // reserved; must be zero data[3] = colspace; // COLSPCE data[4] = 0x00; // reserved; must be zero data[5] = 0x00; // reserved; must be zero data[6] = 0x00; // reserved; must be zero data[7] = 0x00; // reserved; must be zero data[8] = colsizes[0]; // COLSIZE(S) data[9] = colsizes[1]; data[10] = colsizes[2]; data[11] = colsizes[3]; os.write(data); baout.writeTo(os); }
From source file:org.apache.geode.internal.InternalDataSerializer.java
private static void initializeWellKnownSerializers() { // ArrayBlockingQueue does not have zero-arg constructor // LinkedBlockingQueue does have zero-arg constructor but no way to get capacity classesToSerializers.put("java.lang.String", new WellKnownPdxDS() { @Override/* w ww .j a va 2 s . c om*/ public boolean toData(Object o, DataOutput out) throws IOException { try { writeString((String) o, out); } catch (UTFDataFormatException ex) { // See bug 30428 String s = "While writing a String of length " + ((String) o).length(); UTFDataFormatException ex2 = new UTFDataFormatException(s); ex2.initCause(ex); throw ex2; } return true; } }); classesToSerializers.put("java.net.InetAddress", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { InetAddress address = (InetAddress) o; out.writeByte(INET_ADDRESS); writeInetAddress(address, out); return true; } }); classesToSerializers.put("java.net.Inet4Address", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { InetAddress address = (InetAddress) o; out.writeByte(INET_ADDRESS); writeInetAddress(address, out); return true; } }); classesToSerializers.put("java.net.Inet6Address", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { InetAddress address = (InetAddress) o; out.writeByte(INET_ADDRESS); writeInetAddress(address, out); return true; } }); classesToSerializers.put("java.lang.Class", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Class c = (Class) o; if (c.isPrimitive()) { writePrimitiveClass(c, out); } else { out.writeByte(CLASS); writeClass(c, out); } return true; } }); classesToSerializers.put("java.lang.Boolean", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Boolean value = (Boolean) o; out.writeByte(BOOLEAN); writeBoolean(value, out); return true; } }); classesToSerializers.put("java.lang.Character", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Character value = (Character) o; out.writeByte(CHARACTER); writeCharacter(value, out); return true; } }); classesToSerializers.put("java.lang.Byte", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Byte value = (Byte) o; out.writeByte(BYTE); writeByte(value, out); return true; } }); classesToSerializers.put("java.lang.Short", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Short value = (Short) o; out.writeByte(SHORT); writeShort(value, out); return true; } }); classesToSerializers.put("java.lang.Integer", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Integer value = (Integer) o; out.writeByte(INTEGER); writeInteger(value, out); return true; } }); classesToSerializers.put("java.lang.Long", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Long value = (Long) o; out.writeByte(LONG); writeLong(value, out); return true; } }); classesToSerializers.put("java.lang.Float", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Float value = (Float) o; out.writeByte(FLOAT); writeFloat(value, out); return true; } }); classesToSerializers.put("java.lang.Double", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Double value = (Double) o; out.writeByte(DOUBLE); writeDouble(value, out); return true; } }); classesToSerializers.put("[Z", // boolean[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(BOOLEAN_ARRAY); writeBooleanArray((boolean[]) o, out); return true; } }); classesToSerializers.put("[B", // byte[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { byte[] array = (byte[]) o; out.writeByte(BYTE_ARRAY); writeByteArray(array, out); return true; } }); classesToSerializers.put("[C", // char[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(CHAR_ARRAY); writeCharArray((char[]) o, out); return true; } }); classesToSerializers.put("[D", // double[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { double[] array = (double[]) o; out.writeByte(DOUBLE_ARRAY); writeDoubleArray(array, out); return true; } }); classesToSerializers.put("[F", // float[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { float[] array = (float[]) o; out.writeByte(FLOAT_ARRAY); writeFloatArray(array, out); return true; } }); classesToSerializers.put("[I", // int[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { int[] array = (int[]) o; out.writeByte(INT_ARRAY); writeIntArray(array, out); return true; } }); classesToSerializers.put("[J", // long[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { long[] array = (long[]) o; out.writeByte(LONG_ARRAY); writeLongArray(array, out); return true; } }); classesToSerializers.put("[S", // short[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { short[] array = (short[]) o; out.writeByte(SHORT_ARRAY); writeShortArray(array, out); return true; } }); classesToSerializers.put("[Ljava.lang.String;", // String[] new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { String[] array = (String[]) o; out.writeByte(STRING_ARRAY); writeStringArray(array, out); return true; } }); classesToSerializers.put(TimeUnit.NANOSECONDS.getClass().getName(), new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TIME_UNIT); out.writeByte(TIME_UNIT_NANOSECONDS); return true; } }); classesToSerializers.put(TimeUnit.MICROSECONDS.getClass().getName(), new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TIME_UNIT); out.writeByte(TIME_UNIT_MICROSECONDS); return true; } }); classesToSerializers.put(TimeUnit.MILLISECONDS.getClass().getName(), new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TIME_UNIT); out.writeByte(TIME_UNIT_MILLISECONDS); return true; } }); classesToSerializers.put(TimeUnit.SECONDS.getClass().getName(), new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TIME_UNIT); out.writeByte(TIME_UNIT_SECONDS); return true; } }); classesToSerializers.put("java.util.Date", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Date date = (Date) o; out.writeByte(DATE); writeDate(date, out); return true; } }); classesToSerializers.put("java.io.File", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { File file = (File) o; out.writeByte(FILE); writeFile(file, out); return true; } }); classesToSerializers.put("java.util.ArrayList", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { ArrayList list = (ArrayList) o; out.writeByte(ARRAY_LIST); writeArrayList(list, out); return true; } }); classesToSerializers.put("java.util.LinkedList", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { LinkedList list = (LinkedList) o; out.writeByte(LINKED_LIST); writeLinkedList(list, out); return true; } }); classesToSerializers.put("java.util.Vector", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(VECTOR); writeVector((Vector) o, out); return true; } }); classesToSerializers.put("java.util.Stack", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(STACK); writeStack((Stack) o, out); return true; } }); classesToSerializers.put("java.util.HashSet", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { HashSet list = (HashSet) o; out.writeByte(HASH_SET); writeHashSet(list, out); return true; } }); classesToSerializers.put("java.util.LinkedHashSet", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(LINKED_HASH_SET); writeLinkedHashSet((LinkedHashSet) o, out); return true; } }); classesToSerializers.put("java.util.HashMap", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { HashMap list = (HashMap) o; out.writeByte(HASH_MAP); writeHashMap(list, out); return true; } }); classesToSerializers.put("java.util.IdentityHashMap", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(IDENTITY_HASH_MAP); writeIdentityHashMap((IdentityHashMap) o, out); return true; } }); classesToSerializers.put("java.util.Hashtable", new WellKnownPdxDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(HASH_TABLE); writeHashtable((Hashtable) o, out); return true; } }); classesToSerializers.put("java.util.Properties", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { Properties props = (Properties) o; out.writeByte(PROPERTIES); writeProperties(props, out); return true; } }); classesToSerializers.put("java.util.TreeMap", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TREE_MAP); writeTreeMap((TreeMap) o, out); return true; } }); classesToSerializers.put("java.util.TreeSet", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TREE_SET); writeTreeSet((TreeSet) o, out); return true; } }); if (is662SerializationEnabled()) { classesToSerializers.put("java.math.BigInteger", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(BIG_INTEGER); writeBigInteger((BigInteger) o, out); return true; } }); classesToSerializers.put("java.math.BigDecimal", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(BIG_DECIMAL); writeBigDecimal((BigDecimal) o, out); return true; } }); classesToSerializers.put("java.util.UUID", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(UUID); writeUUID((UUID) o, out); return true; } }); classesToSerializers.put("java.sql.Timestamp", new WellKnownDS() { @Override public boolean toData(Object o, DataOutput out) throws IOException { out.writeByte(TIMESTAMP); writeTimestamp((Timestamp) o, out); return true; } }); } }
From source file:org.apache.geode.internal.InternalDataSerializer.java
public static void writeDSFIDHeader(int dsfid, DataOutput out) throws IOException { if (dsfid == DataSerializableFixedID.ILLEGAL) { throw new IllegalStateException( LocalizedStrings.InternalDataSerializer_ATTEMPTED_TO_SERIALIZE_ILLEGAL_DSFID .toLocalizedString()); }/*from w w w.ja v a 2s.c o m*/ if (dsfid <= Byte.MAX_VALUE && dsfid >= Byte.MIN_VALUE) { out.writeByte(DS_FIXED_ID_BYTE); out.writeByte(dsfid); } else if (dsfid <= Short.MAX_VALUE && dsfid >= Short.MIN_VALUE) { out.writeByte(DS_FIXED_ID_SHORT); out.writeShort(dsfid); } else { out.writeByte(DS_FIXED_ID_INT); out.writeInt(dsfid); } }