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package org.rocksdb;
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
import java.util.List;
/**
* IngestExternalFileOptions is used by {@link RocksDB#ingestExternalFile(ColumnFamilyHandle, List, IngestExternalFileOptions)}
*/
public class IngestExternalFileOptions extends RocksObject {
public IngestExternalFileOptions() {
super(newIngestExternalFileOptions());
}
/**
* @param moveFiles {@link #setMoveFiles(boolean)}
* @param snapshotConsistency {@link #setSnapshotConsistency(boolean)}
* @param allowGlobalSeqNo {@link #setAllowGlobalSeqNo(boolean)}
* @param allowBlockingFlush {@link #setAllowBlockingFlush(boolean)}
*/
public IngestExternalFileOptions(final boolean moveFiles,
final boolean snapshotConsistency, final boolean allowGlobalSeqNo,
final boolean allowBlockingFlush) {
super(newIngestExternalFileOptions(moveFiles, snapshotConsistency,
allowGlobalSeqNo, allowBlockingFlush));
}
/**
* Can be set to true to move the files instead of copying them.
*
* @return true if files will be moved
*/
public boolean moveFiles() {
return moveFiles(nativeHandle_);
}
/**
* Can be set to true to move the files instead of copying them.
*
* @param moveFiles true if files should be moved instead of copied
*/
public void setMoveFiles(final boolean moveFiles) {
setMoveFiles(nativeHandle_, moveFiles);
}
/**
* If set to false, an ingested file keys could appear in existing snapshots
* that where created before the file was ingested.
*
* @return true if snapshot consistency is assured
*/
public boolean snapshotConsistency() {
return snapshotConsistency(nativeHandle_);
}
/**
* If set to false, an ingested file keys could appear in existing snapshots
* that where created before the file was ingested.
*
* @param snapshotConsistency true if snapshot consistency is required
*/
public void setSnapshotConsistency(final boolean snapshotConsistency) {
setSnapshotConsistency(nativeHandle_, snapshotConsistency);
}
/**
* If set to false, {@link RocksDB#ingestExternalFile(ColumnFamilyHandle, List, IngestExternalFileOptions)}
* will fail if the file key range overlaps with existing keys or tombstones in the DB.
*
* @return true if global seq numbers are assured
*/
public boolean allowGlobalSeqNo() {
return allowGlobalSeqNo(nativeHandle_);
}
/**
* If set to false, {@link RocksDB#ingestExternalFile(ColumnFamilyHandle, List, IngestExternalFileOptions)}
* will fail if the file key range overlaps with existing keys or tombstones in the DB.
*
* @param allowGlobalSeqNo true if global seq numbers are required
*/
public void setAllowGlobalSeqNo(final boolean allowGlobalSeqNo) {
setAllowGlobalSeqNo(nativeHandle_, allowGlobalSeqNo);
}
/**
* If set to false and the file key range overlaps with the memtable key range
* (memtable flush required), IngestExternalFile will fail.
*
* @return true if blocking flushes may occur
*/
public boolean allowBlockingFlush() {
return allowBlockingFlush(nativeHandle_);
}
/**
* If set to false and the file key range overlaps with the memtable key range
* (memtable flush required), IngestExternalFile will fail.
*
* @param allowBlockingFlush true if blocking flushes are allowed
*/
public void setAllowBlockingFlush(final boolean allowBlockingFlush) {
setAllowBlockingFlush(nativeHandle_, allowBlockingFlush);
}
private native static long newIngestExternalFileOptions();
private native static long newIngestExternalFileOptions(
final boolean moveFiles, final boolean snapshotConsistency,
final boolean allowGlobalSeqNo, final boolean allowBlockingFlush);
private native boolean moveFiles(final long handle);
private native void setMoveFiles(final long handle, final boolean move_files);
private native boolean snapshotConsistency(final long handle);
private native void setSnapshotConsistency(final long handle,
final boolean snapshotConsistency);
private native boolean allowGlobalSeqNo(final long handle);
private native void setAllowGlobalSeqNo(final long handle,
final boolean allowGloablSeqNo);
private native boolean allowBlockingFlush(final long handle);
private native void setAllowBlockingFlush(final long handle,
final boolean allowBlockingFlush);
@Override protected final native void disposeInternal(final long handle);
}