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* Copyright 2009 The Apache Software Foundation
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.hadoop.hbase.client;
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import java.io.Closeable;
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import java.io.IOException;
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import org.apache.hadoop.hbase.io.RowResult;
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* Interface for client-side scanning.
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* Go to {@link HTable} to obtain instances.
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* @deprecated See {@link ResultScanner}
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public interface Scanner extends Closeable, Iterable<RowResult> {
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* Grab the next row's worth of values.
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* @return RowResult object if there is another row, null if the scanner is
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public RowResult next() throws IOException;
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* @param nbRows number of rows to return
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* @return Between zero and <param>nbRows</param> Results
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public RowResult [] next(int nbRows) throws IOException;
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* Closes the scanner and releases any resources it has allocated
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