/*
* 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.query.h2.twostep.msg;
import java.nio.ByteBuffer;
import org.apache.ignite.internal.GridKernalContext;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
import org.h2.value.Value;
import org.h2.value.ValueInt;
/**
* H2 Integer.
*/
public class GridH2Integer extends GridH2ValueMessage {
/** */
private int x;
/**
*
*/
public GridH2Integer() {
// No-op.
}
/**
* @param val Value.
*/
public GridH2Integer(Value val) {
assert val.getType() == Value.INT : val.getType();
x = val.getInt();
}
/** {@inheritDoc} */
@Override public Value value(GridKernalContext ctx) {
return ValueInt.get(x);
}
/** {@inheritDoc} */
@Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) {
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 0:
if (!writer.writeInt("x", x))
return false;
writer.incrementState();
}
return true;
}
/** {@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 0:
x = reader.readInt("x");
if (!reader.isLastRead())
return false;
reader.incrementState();
}
return reader.afterMessageRead(GridH2Integer.class);
}
/** {@inheritDoc} */
@Override public short directType() {
return -8;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 1;
}
/** {@inheritDoc} */
@Override public boolean equals(Object obj) {
return obj == this || (obj != null && obj.getClass() == GridH2Integer.class && x == ((GridH2Integer)obj).x);
}
/** {@inheritDoc} */
@Override public int hashCode() {
return x;
}
/** {@inheritDoc} */
@Override public String toString() {
return String.valueOf(x);
}
}