/*
* 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.map.impl.stage.data.instance;
import net.openhft.chronicle.hash.Data;
import net.openhft.chronicle.hash.serialization.DataAccess;
import net.openhft.chronicle.map.impl.VanillaChronicleMapHolder;
import net.openhft.sg.Stage;
import net.openhft.sg.StageRef;
import net.openhft.sg.Staged;
@Staged
public class WrappedValueInstanceDataHolder<V> {
@StageRef VanillaChronicleMapHolder<?, V, ?> mh;
private final DataAccess<V> wrappedValueDataAccess = mh.m().valueDataAccess.copy();
private WrappedValueInstanceDataHolder<V> next;
boolean nextInit() {
return true;
}
void closeNext() {
// do nothing
}
@Stage("Next")
public WrappedValueInstanceDataHolder<V> getUnusedWrappedValueHolder() {
if (!valueInit())
return this;
if (next == null)
next = new WrappedValueInstanceDataHolder<>();
return next.getUnusedWrappedValueHolder();
}
private V value;
public boolean valueInit() {
return value != null;
}
public void initValue(V value) {
mh.m().checkValue(value);
this.value = value;
}
public void closeValue() {
value = null;
if (next != null)
next.closeValue();
}
public Data<V> wrappedData = null;
private void initWrappedData() {
wrappedData = wrappedValueDataAccess.getData(value);
}
private void closeWrappedData() {
wrappedData = null;
wrappedValueDataAccess.uninit();
}
}