/*******************************************************************************
* Copyright 2012 University of Southern California
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
package edu.isi.karma.modeling.alignment;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import edu.isi.karma.modeling.ontology.OntologyManager;
import edu.isi.karma.rep.Worksheet;
import edu.isi.karma.rep.WorkspaceManager;
public class AlignmentManager {
private static Map<String, Alignment> alignmentMap = null;
private static AlignmentManager _InternalInstance = null;
public static AlignmentManager Instance()
{
if (_InternalInstance == null)
{
_InternalInstance = new AlignmentManager();
alignmentMap = new ConcurrentHashMap<>();
}
return _InternalInstance;
}
public void addAlignmentToMap(String key, Alignment alignment) {
alignmentMap.put(key, alignment);
}
public Alignment getAlignment(String alignmentId) {
return alignmentMap.get(alignmentId);
}
public String getAlignmentId(Alignment alignment) {
for(Map.Entry<String, Alignment> stringAlignmentEntry : alignmentMap.entrySet()) {
if(stringAlignmentEntry.getValue() == alignment)
return stringAlignmentEntry.getKey();
}
return null;
}
public Alignment getAlignment(String workspaceId, String worksheetId) {
String alignmentId = constructAlignmentId(workspaceId, worksheetId);
return getAlignment(alignmentId);
}
public Alignment createAlignment(String workspaceId, String worksheetId, OntologyManager ontologyManager){
String alignmentId = AlignmentManager.Instance().constructAlignmentId(
workspaceId, worksheetId);
Worksheet worksheet = WorkspaceManager.getInstance().getWorkspace(workspaceId).getWorksheet(worksheetId);
Alignment alignment = AlignmentManager.Instance().getAlignment(alignmentId);
if (alignment == null) {
alignment = new Alignment(ontologyManager);
AlignmentManager.Instance().addAlignmentToMap(alignmentId, alignment);
alignment.updateColumnNodesInAlignment(worksheet);
}
return alignment;
}
public void removeWorkspaceAlignments(String workspaceId) {
List<String> keysToBeRemoved = new ArrayList<>();
for(String key:alignmentMap.keySet()) {
if(key.startsWith(workspaceId+":")) {
keysToBeRemoved.add(key);
}
}
// Remove the keys
for(String key:keysToBeRemoved) {
Alignment a = alignmentMap.remove(key);
a.cleanup();
}
}
public boolean removeAlignment(String alignmentId) {
Alignment a = alignmentMap.remove(alignmentId);
if (a != null)
a.cleanup();
return a != null;
}
public String constructAlignmentId(String workspaceId, String worksheetId) {
return workspaceId + ":" + worksheetId + "AL";
}
public String getWorkspaceId(Alignment align) {
String id = getAlignmentId(align);
if(id != null) {
int idx = id.indexOf(":");
id = id.substring(0, idx);
}
return id;
}
public String getWorksheetId(Alignment align) {
String id = getAlignmentId(align);
if(id != null) {
int idx = id.indexOf(":");
int endIdx = id.indexOf("AL", idx);
id = id.substring(idx+1, endIdx);
}
return id;
}
}