/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.oodt.cas.catalog.struct.impl.dictionary;
//JDK imports
import java.util.Set;
//OODT imports
import org.apache.oodt.cas.catalog.exception.CatalogDictionaryException;
import org.apache.oodt.cas.catalog.query.ComparisonQueryExpression;
import org.apache.oodt.cas.catalog.query.NotQueryExpression;
import org.apache.oodt.cas.catalog.query.QueryExpression;
import org.apache.oodt.cas.catalog.query.QueryLogicalGroup;
import org.apache.oodt.cas.catalog.query.StdQueryExpression;
import org.apache.oodt.cas.catalog.query.TermQueryExpression;
import org.apache.oodt.cas.catalog.struct.Dictionary;
import org.apache.oodt.cas.catalog.term.Term;
import org.apache.oodt.cas.catalog.term.TermBucket;
import org.apache.oodt.cas.metadata.Metadata;
/**
*
* @author bfoster
* @version $Revision$
*
*/
public class WorkflowManagerDictionary implements Dictionary {
public TermBucket lookup(Metadata metadata)
throws CatalogDictionaryException {
if (metadata.getMetadata("ProductType") != null && metadata.getAllMetadata("ProductType").contains("Workflows")) {
TermBucket workflowBucket = new TermBucket("Workflows");
for (Object key : metadata.getHashtable().keySet())
workflowBucket.addTerm(new Term((String) key, metadata.getAllMetadata((String) key)));
return workflowBucket;
}else {
return null;
}
}
public Metadata reverseLookup(TermBucket termBucket)
throws CatalogDictionaryException {
Metadata metadata = new Metadata();
if (termBucket.getName().equals("Workflows")) {
for (Term term : termBucket.getTerms())
metadata.addMetadata(term.getName(), term.getValues());
}
return metadata;
}
public boolean understands(QueryExpression queryExpression)
throws CatalogDictionaryException {
Set<String> bucketNames = queryExpression.getBucketNames();
if (bucketNames == null || bucketNames.contains("Workflows")) {
if (queryExpression instanceof NotQueryExpression
|| queryExpression instanceof ComparisonQueryExpression
|| queryExpression instanceof StdQueryExpression
|| queryExpression instanceof QueryLogicalGroup) {
return true;
} else
return false;
}
return false;
}
}