/
LookupSource.java
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/
LookupSource.java
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/*
* Licensed 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 com.facebook.presto.operator;
import com.facebook.presto.spi.Page;
import com.facebook.presto.spi.PageBuilder;
import it.unimi.dsi.fastutil.longs.LongIterator;
import java.io.Closeable;
public interface LookupSource
extends Closeable
{
int getChannelCount();
long getInMemorySizeInBytes();
long getJoinPosition(int position, Page page, int rawHash);
long getJoinPosition(int position, Page page);
long getNextJoinPosition(long currentPosition);
void appendTo(long position, PageBuilder pageBuilder, int outputChannelOffset);
LongIterator getUnvisitedJoinPositions();
@Override
void close();
}