package org.apache.rya.accumulo.query;

/*
 * 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.
 */



import com.google.common.base.Preconditions;
import org.apache.accumulo.core.client.ScannerBase;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Value;
import org.calrissian.mango.collect.AbstractCloseableIterable;

import java.io.IOException;
import java.util.Iterator;
import java.util.Map;

/**
 * Date: 1/30/13
 * Time: 2:15 PM
 */
public class ScannerBaseCloseableIterable extends AbstractCloseableIterable<Map.Entry<Key, Value>> {

    protected ScannerBase scanner;

    public ScannerBaseCloseableIterable(ScannerBase scanner) {
        Preconditions.checkNotNull(scanner);
        this.scanner = scanner;
    }

    @Override
    protected void doClose() throws IOException {
        scanner.close();
    }

    @Override
    protected Iterator<Map.Entry<Key, Value>> retrieveIterator() {
        return scanner.iterator();
    }
}
