/*
* Copyright 2015 Terracotta, Inc., a Software AG company.
*
* 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.
*/
package org.terracotta.offheapstore.storage.portability;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.nio.ByteBuffer;
import org.terracotta.offheapstore.disk.persistent.PersistentPortability;
public class StringPortability implements PersistentPortability<String> {
public static final StringPortability INSTANCE = new StringPortability();
private StringPortability() {
//singleton
}
@Override
public ByteBuffer encode(String object) {
ByteBuffer buffer = ByteBuffer.allocate(object.length() * 2);
buffer.asCharBuffer().put(object).clear();
return buffer;
}
@Override
public String decode(ByteBuffer buffer) {
return buffer.asCharBuffer().toString();
}
@Override
public boolean equals(Object value, ByteBuffer readBuffer) {
return value.equals(decode(readBuffer));
}
@Override
public void flush() throws IOException {
//no-op
}
@Override
public void close() throws IOException {
//no-op
}
@Override
public void persist(ObjectOutput output) throws IOException {
//no-op
}
@Override
public void bootstrap(ObjectInput input) throws IOException {
//no-op
}
}