xy.reflect.ui.info.type.iterable.item.AbstractBufferedItemPositionFactory Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (C) 2018 OTK Software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* The GNU General Public License allows you also to freely redistribute
* the libraries under the same license, if you provide the terms of the
* GNU General Public License with them and add the following
* copyright notice at the appropriate place (with a link to
* http://javacollection.net/reflectionui/ web site when possible).
******************************************************************************/
package xy.reflect.ui.info.type.iterable.item;
public abstract class AbstractBufferedItemPositionFactory extends AbstractItemPositionFactory {
protected Object[] bufferedRootListRawValue;
protected Object bufferedRootListValue;
public abstract Object getNonBufferedRootListValue();
@Override
public BufferedItemPosition getRootItemPosition(int index) {
return (BufferedItemPosition) super.getRootItemPosition(index);
}
@Override
protected BufferedItemPosition createItemPosition() {
return new BufferedItemPosition();
}
@Override
public Object getRootListValue() {
if (bufferedRootListValue == null) {
bufferedRootListValue = getNonBufferedRootListValue();
}
return bufferedRootListValue;
}
@Override
public Object[] retrieveRootListRawValue() {
if (bufferedRootListRawValue == null) {
bufferedRootListRawValue = super.retrieveRootListRawValue();
}
return bufferedRootListRawValue;
}
public void refresh() {
bufferedRootListValue = null;
bufferedRootListRawValue = null;
}
}