SampleWhereClause.java example

Explorer
ANNIS-master
/*
 * Copyright 2009-2011 Collaborative Research Centre SFB 632 
 *
 * 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.
 */
package annis.sqlgen;

import annis.model.QueryNode;
import annis.ql.parser.QueryData;
import static annis.sqlgen.SqlConstraints.isTrue;
import static annis.sqlgen.TableAccessStrategy.COMPONENT_TABLE;
import static annis.sqlgen.TableAccessStrategy.EDGE_ANNOTATION_TABLE;
import static annis.sqlgen.TableAccessStrategy.FACTS_TABLE;
import static annis.sqlgen.TableAccessStrategy.NODE_ANNOTATION_TABLE;
import static annis.sqlgen.TableAccessStrategy.NODE_TABLE;
import static annis.sqlgen.TableAccessStrategy.RANK_TABLE;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

/**
 *
 * @author thomas
 */
public class SampleWhereClause extends TableAccessStrategyFactory
  implements WhereClauseSqlGenerator<QueryData>
{
	
	@Override
	public Set<String> whereConditions(QueryData queryData,
			List<QueryNode> alternative, String indent) {
		Set<String> conditions = new HashSet<>();
		List<Long> corpusList = queryData.getCorpusList();
		List<Long> documents = queryData.getDocuments();
		
		for (QueryNode node : alternative) {
			conditions.addAll(whereConditions(node, corpusList, documents));
		}
		
		return conditions;
	}
	
	// VR: inline
	@Deprecated
  public List<String> whereConditions(QueryNode node, List<Long> corpusList, List<Long> documents)
  {
    LinkedList<String> conditions = new LinkedList<>();

    TableAccessStrategy t = tables(node);

    // only apply if we have a full facts table
    if(t.isMaterialized(NODE_TABLE, FACTS_TABLE)
      && t.isMaterialized(NODE_ANNOTATION_TABLE, FACTS_TABLE)
      && t.isMaterialized(EDGE_ANNOTATION_TABLE, FACTS_TABLE)
      && t.isMaterialized(RANK_TABLE, FACTS_TABLE)
      && t.isMaterialized(COMPONENT_TABLE, FACTS_TABLE))
    {

      if(!t.usesRankTable() && !t.usesComponentTable() && !t.usesEdgeAnnotationTable() && !t.usesNodeAnnotationTable())
      {
        // artificial node subview
        conditions.add(isTrue(t.aliasedColumn(FACTS_TABLE, "n_sample")));
        //conditions.add(bitSelect(t.aliasedColumn(FACTS_TABLE, "sample"), new boolean[]{true, false, false, false, false}));
      }
      else if(!t.usesRankTable() && !t.usesComponentTable() && !t.usesEdgeAnnotationTable() && t.usesNodeAnnotationTable())
      {
        // artificial node-node_annotation subview
        conditions.add(isTrue(t.aliasedColumn(FACTS_TABLE, "n_na_sample")));
        //conditions.add(bitSelect(t.aliasedColumn(FACTS_TABLE, "sample"), new boolean[]{false, true, false, false, false}));
      }

    }
    return conditions;
  }

//  @Override
//  public List<String> commonWhereConditions(List<AnnisNode> nodes, List<Long> corpusList, List<Long> documents)
//  {
//    return null;
//  }

}