/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.io.process;
import java.util.LinkedList;
import java.util.List;
import org.w3c.dom.Element;
import com.rapidminer.operator.ExecutionUnit;
import com.rapidminer.operator.Operator;
/**
* Manages a list of {@link ProcessXMLFilter}s that is applied when parsing or writing process XML
* data.
*
* @author Simon Fischer, Michael Knopf
*/
public class ProcessXMLFilterRegistry {
/** Lock for modifying the list of filters. */
private static final Object FILTER_LOCK = new Object();
/** List of filters to be applied. */
private static final List<ProcessXMLFilter> FILTERS = new LinkedList<>();
/**
* Register a new {@link ProcessXMLFilter}.
*
* @param filter
* The filter to be registered.
*/
public static void registerFilter(ProcessXMLFilter filter) {
synchronized (FILTER_LOCK) {
FILTERS.add(filter);
}
}
protected static void fireOperatorExported(Operator operator, Element element) {
for (ProcessXMLFilter filter : FILTERS) {
filter.operatorExported(operator, element);
}
}
protected static void fireOperatorImported(Operator operator, Element element) {
for (ProcessXMLFilter filter : FILTERS) {
filter.operatorImported(operator, element);
}
}
protected static void fireExecutionUnitExported(ExecutionUnit unit, Element element) {
for (ProcessXMLFilter filter : FILTERS) {
filter.executionUnitExported(unit, element);
}
}
protected static void fireExecutionUnitImported(ExecutionUnit unit, Element element) {
for (ProcessXMLFilter filter : FILTERS) {
filter.executionUnitImported(unit, element);
}
}
}