graphene.ingest.batchoptimizers.BasicBatchOptimizer.java Source code

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Here is the source code for graphene.ingest.batchoptimizers.BasicBatchOptimizer.java

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/*
 *
 *  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 graphene.ingest.batchoptimizers;

import com.google.common.hash.BloomFilter;

public class BasicBatchOptimizer {
    /**
     * Checks to see if the relationship is unique, and if it is, adds it to the
     * bloom filter.
     * 
     * @param from
     * @param to
     * @param rel
     * @return
     */
    public boolean is_unique_rel(BloomFilter<String> bf, Long from, String rel, Long to) {
        String key = "" + from + to + rel;
        if (bf.mightContain(key)) {
            return false;
        } else {
            bf.put(key);
            return true;
        }
    }

}