org.apache.lens.driver.es.client.ESResultSet Maven / Gradle / Ivy
/**
* 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.lens.driver.es.client;
import java.util.Iterator;
import org.apache.lens.api.query.ResultRow;
import org.apache.lens.server.api.driver.InMemoryResultSet;
import org.apache.lens.server.api.driver.LensResultSetMetadata;
import lombok.NonNull;
/**
* The class ESResultset for iterating over elastic search result set
*/
public class ESResultSet extends InMemoryResultSet {
@NonNull
final Iterator resultSetIterator;
@NonNull
final LensResultSetMetadata resultSetMetadata;
final Integer size;
public ESResultSet(int size, final Iterable resultSetIterable, final LensResultSetMetadata metadata) {
this.size = size;
this.resultSetIterator = resultSetIterable.iterator();
this.resultSetMetadata = metadata;
}
@Override
public boolean hasNext(){
return resultSetIterator.hasNext();
}
@Override
public ResultRow next() {
return resultSetIterator.next();
}
@Override
public void setFetchSize(int i) {
}
@Override
public Integer size() {
return size;
}
@Override
public LensResultSetMetadata getMetadata() {
return resultSetMetadata;
}
}