/*
* Copyright (C) 2012, 2016 higherfrequencytrading.com
* Copyright (C) 2016 Roman Leventov
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.openhft.chronicle.hash.serialization.impl;
import net.openhft.chronicle.bytes.Bytes;
import net.openhft.chronicle.bytes.BytesUtil;
import net.openhft.chronicle.bytes.RandomDataInput;
import net.openhft.chronicle.hash.AbstractData;
import net.openhft.chronicle.hash.Data;
import net.openhft.chronicle.hash.serialization.DataAccess;
import net.openhft.chronicle.wire.WireIn;
import net.openhft.chronicle.wire.WireOut;
import org.jetbrains.annotations.NotNull;
import static net.openhft.chronicle.hash.serialization.impl.DefaultElasticBytes.DEFAULT_BYTES_CAPACITY;
abstract class AbstractCharSequenceUtf8DataAccess<T extends CharSequence> extends AbstractData<T>
implements DataAccess<T>, Data<T> {
/** Cache field */
private transient Bytes bytes;
/** State field */
transient T cs;
AbstractCharSequenceUtf8DataAccess(long bytesCapacity) {
initTransients(bytesCapacity);
}
private void initTransients(long bytesCapacity) {
bytes = DefaultElasticBytes.allocateDefaultElasticBytes(bytesCapacity);
}
@Override
public Data<T> getData(@NotNull T cs) {
this.cs = cs;
bytes.clear();
BytesUtil.appendUtf8(bytes, cs);
return this;
}
@Override
public void uninit() {
cs = null;
}
@Override
public void readMarshallable(@NotNull WireIn wireIn) {
// no config fields to read
initTransients(DEFAULT_BYTES_CAPACITY);
}
@Override
public void writeMarshallable(@NotNull WireOut wireOut) {
// no config fields to write
}
@Override
public RandomDataInput bytes() {
return bytes.bytesStore();
}
@Override
public long offset() {
return 0;
}
@Override
public long size() {
return bytes.readRemaining();
}
@Override
public T get() {
return cs;
}
}