org.mycore.datamodel.common.MCRActiveLinkException Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe 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.
*
* MyCoRe 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.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.datamodel.common;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentLinkedQueue;
import org.mycore.common.MCRCatchException;
/**
* This exception holds information about a link condition that did not allow a
* certain action to be performed.
*
* As this exception does not extend RuntimeException it has to be caught for
* data integrity reasons.
*
* @author Thomas Scheffler (yagee)
*/
public class MCRActiveLinkException extends MCRCatchException {
/**
*
*/
private static final long serialVersionUID = 1L;
Map> linkTable = new ConcurrentHashMap<>();
/**
*
* @return a Hashtable with destinations (key) and List of sources (value)
*/
public Map> getActiveLinks() {
return linkTable;
}
/**
* collects information on active links that do not permit a certain action
* on the repository.
*
* @param source
* the source of a link
* @param dest
* the destination of a link
*/
public void addLink(String source, String dest) {
if (!linkTable.containsKey(dest)) {
linkTable.put(dest, new ConcurrentLinkedQueue<>());
}
linkTable.get(dest).add(source);
}
/**
* @see MCRCatchException#MCRCatchException(String)
*/
public MCRActiveLinkException(String message) {
super(message);
}
/**
* @see MCRCatchException#MCRCatchException(String, Throwable)
*/
public MCRActiveLinkException(String message, Throwable cause) {
super(message, cause);
}
}