| /* |
| * 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.processors.cache; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.plugin.extensions.communication.Message; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Cache object over byte array. |
| */ |
| public class CacheObjectByteArrayImpl implements CacheObject, Externalizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| protected byte[] val; |
| |
| /** |
| * Required by {@link Message}. |
| */ |
| public CacheObjectByteArrayImpl() { |
| // No-op. |
| } |
| |
| /** |
| * @param val Value. |
| */ |
| public CacheObjectByteArrayImpl(byte[] val) { |
| assert val != null; |
| |
| this.val = val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void finishUnmarshal(CacheObjectValueContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public <T> T value(CacheObjectValueContext ctx, boolean cpy) { |
| return value(ctx, cpy, null); |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public <T> T value(CacheObjectValueContext ctx, boolean cpy, ClassLoader ldr) { |
| if (cpy) |
| return (T)Arrays.copyOf(val, val.length); |
| |
| return (T)val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] valueBytes(CacheObjectValueContext ctx) throws IgniteCheckedException { |
| return val; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean putValue(ByteBuffer buf) throws IgniteCheckedException { |
| assert val != null : "Value is not initialized"; |
| |
| return putValue(buf, 0, CacheObjectAdapter.objectPutSize(val.length)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int putValue(long addr) throws IgniteCheckedException { |
| return CacheObjectAdapter.putValue(addr, cacheObjectType(), val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean putValue(final ByteBuffer buf, int off, int len) throws IgniteCheckedException { |
| assert val != null : "Value is not initialized"; |
| |
| return CacheObjectAdapter.putValue(cacheObjectType(), buf, off, len, val, 0); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int valueBytesLength(CacheObjectContext ctx) throws IgniteCheckedException { |
| return CacheObjectAdapter.objectPutSize(val.length); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte cacheObjectType() { |
| return TYPE_BYTE_ARR; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isPlatformType() { |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CacheObject prepareForCache(CacheObjectContext ctx) { |
| return this; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void prepareMarshal(CacheObjectValueContext ctx) throws IgniteCheckedException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) { |
| writer.setBuffer(buf); |
| |
| if (!writer.isHeaderWritten()) { |
| if (!writer.writeHeader(directType(), fieldsCount())) |
| return false; |
| |
| writer.onHeaderWritten(); |
| } |
| |
| switch (writer.state()) { |
| case 0: |
| if (!writer.writeByteArray("val", val)) |
| return false; |
| |
| writer.incrementState(); |
| |
| } |
| |
| return true; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean readFrom(ByteBuffer buf, MessageReader reader) { |
| reader.setBuffer(buf); |
| |
| if (!reader.beforeMessageRead()) |
| return false; |
| |
| switch (reader.state()) { |
| case 0: |
| val = reader.readByteArray("val"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(CacheObjectByteArrayImpl.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| val = U.readByteArray(in); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| U.writeByteArray(out, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 105; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return "CacheObjectByteArrayImpl [arrLen=" + (val != null ? val.length : 0) + ']'; |
| } |
| } |