com.orientechnologies.orient.core.type.OBuffer Maven / Gradle / Ivy
/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * Licensed 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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.core.type;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import com.orientechnologies.common.io.OIOUtils;
public class OBuffer implements Externalizable {
public byte[] buffer;
/**
* Constructor used by serialization.
*/
public OBuffer() {
}
public OBuffer(final byte[] buffer) {
this.buffer = buffer;
}
public void readExternal(final ObjectInput iInput) throws IOException, ClassNotFoundException {
final int bufferLenght = iInput.readInt();
if (bufferLenght > 0) {
buffer = new byte[bufferLenght];
for (int pos = 0, bytesReaded = 0; pos < bufferLenght; pos += bytesReaded) {
bytesReaded = iInput.read(buffer, pos, buffer.length - pos);
}
} else
buffer = null;
}
public void writeExternal(final ObjectOutput iOutput) throws IOException {
final int bufferLenght = buffer != null ? buffer.length : 0;
iOutput.writeInt(bufferLenght);
if (bufferLenght > 0)
iOutput.write(buffer);
}
@Override
public String toString() {
return "size:" + (buffer != null ? buffer.length : "empty");
}
public byte[] getBuffer() {
return buffer;
}
public void setBuffer(final byte[] buffer) {
this.buffer = buffer;
}
@Override
public boolean equals(final Object o) {
if (o==null || !(o instanceof OBuffer))
return false;
return OIOUtils.equals(buffer, ((OBuffer) o).buffer);
}
@Override
public int hashCode() {
// Use of reference hashCode. Usage of deep hashCode should be considered
return buffer!=null?buffer.hashCode():0;
}
}