org.rocksdb.VectorMemTableConfig Maven / Gradle / Ivy
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
package org.rocksdb;
/**
* The config for vector memtable representation.
*/
public class VectorMemTableConfig extends MemTableConfig {
public static final int DEFAULT_RESERVED_SIZE = 0;
/**
* VectorMemTableConfig constructor
*/
public VectorMemTableConfig() {
reservedSize_ = DEFAULT_RESERVED_SIZE;
}
/**
* Set the initial size of the vector that will be used
* by the memtable created based on this config.
*
* @param size the initial size of the vector.
* @return the reference to the current config.
*/
public VectorMemTableConfig setReservedSize(final int size) {
reservedSize_ = size;
return this;
}
/**
* Returns the initial size of the vector used by the memtable
* created based on this config.
*
* @return the initial size of the vector.
*/
public int reservedSize() {
return reservedSize_;
}
@Override protected long newMemTableFactoryHandle() {
return newMemTableFactoryHandle(reservedSize_);
}
private static native long newMemTableFactoryHandle(long reservedSize)
throws IllegalArgumentException;
private int reservedSize_;
}