/**
* 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.mahout.cf.taste.impl.similarity.jdbc;
import org.apache.mahout.cf.taste.common.TasteException;
import org.apache.mahout.cf.taste.impl.common.jdbc.AbstractJDBCComponent;
import javax.sql.DataSource;
public class SQL92JDBCInMemoryItemSimilarity extends AbstractJDBCInMemoryItemSimilarity {
static final String DEFAULT_GET_ALL_ITEMSIMILARITIES_SQL =
"SELECT " + AbstractJDBCItemSimilarity.DEFAULT_ITEM_A_ID_COLUMN + ", "
+ AbstractJDBCItemSimilarity.DEFAULT_ITEM_B_ID_COLUMN + ", "
+ AbstractJDBCItemSimilarity.DEFAULT_SIMILARITY_COLUMN + " FROM "
+ AbstractJDBCItemSimilarity.DEFAULT_SIMILARITY_TABLE;
public SQL92JDBCInMemoryItemSimilarity() throws TasteException {
this(AbstractJDBCComponent.lookupDataSource(AbstractJDBCComponent.DEFAULT_DATASOURCE_NAME),
DEFAULT_GET_ALL_ITEMSIMILARITIES_SQL);
}
public SQL92JDBCInMemoryItemSimilarity(String dataSourceName) throws TasteException {
this(AbstractJDBCComponent.lookupDataSource(dataSourceName), DEFAULT_GET_ALL_ITEMSIMILARITIES_SQL);
}
public SQL92JDBCInMemoryItemSimilarity(DataSource dataSource) {
this(dataSource, DEFAULT_GET_ALL_ITEMSIMILARITIES_SQL);
}
public SQL92JDBCInMemoryItemSimilarity(DataSource dataSource, String getAllItemSimilaritiesSQL) {
super(dataSource, getAllItemSimilaritiesSQL);
}
}