/*
* 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.version;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.nio.ByteBuffer;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.internal.GridDirectTransient;
import org.apache.ignite.internal.processors.cache.CacheObject;
import org.apache.ignite.internal.processors.cache.CacheObjectContext;
import org.apache.ignite.internal.processors.cache.KeyCacheObject;
import org.apache.ignite.internal.processors.datastreamer.DataStreamerEntry;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.marshaller.Marshaller;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
import org.jetbrains.annotations.Nullable;
/**
* Raw versioned entry.
*/
public class GridCacheRawVersionedEntry<K, V> extends DataStreamerEntry implements
GridCacheVersionedEntry<K, V>, GridCacheVersionable, Externalizable {
/** */
private static final long serialVersionUID = 0L;
/** Key bytes. */
@GridDirectTransient
private byte[] keyBytes;
/** Value bytes. */
private byte[] valBytes;
/** TTL. */
private long ttl;
/** Expire time. */
private long expireTime;
/** Version. */
private GridCacheVersion ver;
/**
* {@code Externalizable} support.
*/
public GridCacheRawVersionedEntry() {
// No-op.
}
/**
* Constructor used for local store load when key and value are available.
*
* @param key Key.
* @param val Value.
* @param expireTime Expire time.
* @param ttl TTL.
* @param ver Version.
*/
public GridCacheRawVersionedEntry(KeyCacheObject key,
@Nullable CacheObject val,
long ttl,
long expireTime,
GridCacheVersion ver) {
assert key != null;
this.key = key;
this.val = val;
this.ttl = ttl;
this.expireTime = expireTime;
this.ver = ver;
}
/**
* Constructor used in receiver hub where marshalled key and value are available and we do not want to
* unmarshal value.
*
* @param keyBytes Key.
* @param valBytes Value bytes.
* @param expireTime Expire time.
* @param ttl TTL.
* @param ver Version.
*/
public GridCacheRawVersionedEntry(byte[] keyBytes,
byte[] valBytes,
long ttl,
long expireTime,
GridCacheVersion ver) {
this.keyBytes = keyBytes;
this.valBytes = valBytes;
this.ttl = ttl;
this.expireTime = expireTime;
this.ver = ver;
}
/** {@inheritDoc} */
@Override public K key() {
assert key != null : "Entry is being improperly processed.";
return key.value(null, false);
}
/**
* @param key Key.
*/
public void key(KeyCacheObject key) {
this.key = key;
}
/**
* @return Key bytes.
*/
public byte[] keyBytes() {
return keyBytes;
}
/** {@inheritDoc} */
@Override public V value() {
return val != null ? val.<V>value(null, false) : null;
}
/**
* @return Value bytes.
*/
public byte[] valueBytes() {
return valBytes;
}
/** {@inheritDoc} */
@Override public long ttl() {
return ttl;
}
/** {@inheritDoc} */
@Override public long expireTime() {
return expireTime;
}
/** {@inheritDoc} */
@Override public byte dataCenterId() {
return ver.dataCenterId();
}
/** {@inheritDoc} */
@Override public int topologyVersion() {
return ver.topologyVersion();
}
/** {@inheritDoc} */
@Override public long order() {
return ver.order();
}
/** {@inheritDoc} */
@Override public GridCacheVersion version() {
return ver;
}
/**
* Perform internal unmarshal of this entry. It must be performed after entry is deserialized and before
* its restored key/value are needed.
*
* @param ctx Context.
* @param marsh Marshaller.
* @throws IgniteCheckedException If failed.
*/
public void unmarshal(CacheObjectContext ctx, Marshaller marsh) throws IgniteCheckedException {
unmarshalKey(ctx, marsh);
if (val == null && valBytes != null) {
val = U.unmarshal(marsh, valBytes, U.resolveClassLoader(ctx.kernalContext().config()));
val.finishUnmarshal(ctx, null);
}
}
/**
* @param ctx Context.
* @throws IgniteCheckedException If failed.
*/
public void unmarshal(CacheObjectContext ctx) throws IgniteCheckedException {
assert key != null;
key.finishUnmarshal(ctx, null);
if (val != null)
val.finishUnmarshal(ctx, null);
}
/**
* Perform internal key unmarshal of this entry. It must be performed after entry is deserialized and before
* its restored key/value are needed.
*
* @param ctx Context.
* @param marsh Marshaller.
* @throws IgniteCheckedException If failed.
*/
public void unmarshalKey(CacheObjectContext ctx, Marshaller marsh) throws IgniteCheckedException {
if (key == null) {
assert keyBytes != null;
key = U.unmarshal(marsh, keyBytes, U.resolveClassLoader(ctx.kernalContext().config()));
key.finishUnmarshal(ctx, null);
}
}
/**
* Perform internal marshal of this entry before it will be serialized.
*
* @param ctx Context.
* @param marsh Marshaller.
* @throws IgniteCheckedException If failed.
*/
public void marshal(CacheObjectContext ctx, Marshaller marsh) throws IgniteCheckedException {
if (keyBytes == null) {
key.prepareMarshal(ctx);
keyBytes = U.marshal(marsh, key);
}
if (valBytes == null && val != null) {
val.prepareMarshal(ctx);
valBytes = U.marshal(marsh, val);
}
}
/**
* @param ctx Context.
* @throws IgniteCheckedException If failed.
*/
public void prepareDirectMarshal(CacheObjectContext ctx) throws IgniteCheckedException {
key.prepareMarshal(ctx);
if (val != null)
val.prepareMarshal(ctx);
}
/** {@inheritDoc} */
@Override public short directType() {
return 103;
}
/** {@inheritDoc} */
@Override public boolean readFrom(ByteBuffer buf, MessageReader reader) {
reader.setBuffer(buf);
if (!reader.beforeMessageRead())
return false;
if (!super.readFrom(buf, reader))
return false;
switch (reader.state()) {
case 2:
expireTime = reader.readLong("expireTime");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 3:
ttl = reader.readLong("ttl");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 4:
valBytes = reader.readByteArray("valBytes");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 5:
ver = reader.readMessage("ver");
if (!reader.isLastRead())
return false;
reader.incrementState();
}
assert key != null;
assert !(val != null && valBytes != null);
return reader.afterMessageRead(GridCacheRawVersionedEntry.class);
}
/** {@inheritDoc} */
@Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) {
assert key != null;
assert !(val != null && valBytes != null);
writer.setBuffer(buf);
if (!super.writeTo(buf, writer))
return false;
if (!writer.isHeaderWritten()) {
if (!writer.writeHeader(directType(), fieldsCount()))
return false;
writer.onHeaderWritten();
}
switch (writer.state()) {
case 2:
if (!writer.writeLong("expireTime", expireTime))
return false;
writer.incrementState();
case 3:
if (!writer.writeLong("ttl", ttl))
return false;
writer.incrementState();
case 4:
if (!writer.writeByteArray("valBytes", valBytes))
return false;
writer.incrementState();
case 5:
if (!writer.writeMessage("ver", ver))
return false;
writer.incrementState();
}
return true;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 6;
}
/** {@inheritDoc} */
@Override public void writeExternal(ObjectOutput out) throws IOException {
assert false;
}
/** {@inheritDoc} */
@Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
assert false;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GridCacheRawVersionedEntry.class, this,
"keyBytesLen", keyBytes != null ? keyBytes.length : "n/a",
"valBytesLen", valBytes != null ? valBytes.length : "n/a",
"super", super.toString());
}
}