/*
* Copyright 2010 The Apache Software Foundation
*
* 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.hadoop.hbase.rest;
import java.io.IOException;
import java.util.Iterator;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.filter.Filter;
import org.apache.hadoop.hbase.rest.model.ScannerModel;
public abstract class ResultGenerator implements Iterator<KeyValue> {
public static ResultGenerator fromRowSpec(final String table,
final RowSpec rowspec, final Filter filter) throws IOException {
if (rowspec.isSingleRow()) {
return new RowResultGenerator(table, rowspec, filter);
} else {
return new ScannerResultGenerator(table, rowspec, filter);
}
}
public static Filter buildFilter(final String filter) throws Exception {
return ScannerModel.buildFilter(filter);
}
public abstract void putBack(KeyValue kv);
public abstract void close();
}