| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.binary.streams; |
| |
| import org.apache.ignite.internal.util.GridUnsafe; |
| |
| import static org.apache.ignite.internal.util.GridUnsafe.BIG_ENDIAN; |
| |
| /** |
| * Binary heap output stream. |
| */ |
| public final class BinaryHeapOutputStream extends BinaryAbstractOutputStream { |
| /** Allocator. */ |
| private final BinaryMemoryAllocatorChunk chunk; |
| |
| /** Data. */ |
| private byte[] data; |
| |
| /** |
| * Constructor. |
| * |
| * @param cap Initial capacity. |
| */ |
| public BinaryHeapOutputStream(int cap) { |
| this(cap, BinaryMemoryAllocator.THREAD_LOCAL.chunk()); |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param cap Capacity. |
| * @param chunk Chunk. |
| */ |
| public BinaryHeapOutputStream(int cap, BinaryMemoryAllocatorChunk chunk) { |
| this.chunk = chunk; |
| |
| data = chunk.allocate(cap); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void close() { |
| chunk.release(data, pos); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void ensureCapacity(int cnt) { |
| if (cnt > data.length) { |
| int newCap = capacity(data.length, cnt); |
| |
| data = chunk.reallocate(data, newCap); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] array() { |
| return data; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] arrayCopy() { |
| byte[] res = new byte[pos]; |
| |
| System.arraycopy(data, 0, res, 0, pos); |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasArray() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void writeByteAndShift(byte val) { |
| data[pos++] = val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void copyAndShift(Object src, long off, int len) { |
| GridUnsafe.copyMemory(src, off, data, GridUnsafe.BYTE_ARR_OFF + pos, len); |
| |
| shift(len); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void writeShortFast(short val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putShortLE(data, off, val); |
| else |
| GridUnsafe.putShort(data, off, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void writeCharFast(char val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putCharLE(data, off, val); |
| else |
| GridUnsafe.putChar(data, off, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void writeIntFast(int val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putIntLE(data, off, val); |
| else |
| GridUnsafe.putInt(data, off, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void writeLongFast(long val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putLongLE(data, off, val); |
| else |
| GridUnsafe.putLong(data, off, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteByte(byte val) { |
| GridUnsafe.putByte(data, GridUnsafe.BYTE_ARR_OFF + pos++, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteShort(short val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putShortLE(data, off, val); |
| else |
| GridUnsafe.putShort(data, off, val); |
| |
| shift(2); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteShort(int pos, short val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putShortLE(data, off, val); |
| else |
| GridUnsafe.putShort(data, off, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteChar(char val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putCharLE(data, off, val); |
| else |
| GridUnsafe.putChar(data, off, val); |
| |
| shift(2); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteInt(int val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putIntLE(data, off, val); |
| else |
| GridUnsafe.putInt(data, off, val); |
| |
| shift(4); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteInt(int pos, int val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putIntLE(data, off, val); |
| else |
| GridUnsafe.putInt(data, off, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void unsafeWriteLong(long val) { |
| long off = GridUnsafe.BYTE_ARR_OFF + pos; |
| |
| if (BIG_ENDIAN) |
| GridUnsafe.putLongLE(data, off, val); |
| else |
| GridUnsafe.putLong(data, off, val); |
| |
| shift(8); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int capacity() { |
| return data.length; |
| } |
| } |