org.iq80.leveldb

Class ReadOptions

java.lang.Object

org.iq80.leveldb.ReadOptions

public class ReadOptions
extends Object

Options that control read operations

Constructor Summary

Constructors

Constructor and Description
ReadOptions()

Method Summary

Modifier and Type	Method and Description
boolean	fillCache()
ReadOptions	fillCache(boolean fillCache) Should the data read for this iteration be cached in memory? Callers may wish to set this field to false for bulk scans.
Snapshot	snapshot()
ReadOptions	snapshot(Snapshot snapshot) If "snapshot" is non-null, read as of the supplied snapshot (which must belong to the DB that is being read and which must not have been closed).
boolean	verifyChecksums()
ReadOptions	verifyChecksums(boolean verifyChecksums) If true, all data read from underlying storage will be verified against corresponding checksums.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReadOptions

public ReadOptions()

Method Detail

snapshot

public Snapshot snapshot()

snapshot

public ReadOptions snapshot(Snapshot snapshot)

If "snapshot" is non-null, read as of the supplied snapshot (which must belong to the DB that is being read and which must not have been closed). If "snapshot" is null, use an implicit snapshot of the state at the beginning of this read operation.

fillCache

public boolean fillCache()

fillCache

public ReadOptions fillCache(boolean fillCache)

Should the data read for this iteration be cached in memory? Callers may wish to set this field to false for bulk scans.

verifyChecksums

public boolean verifyChecksums()

verifyChecksums

public ReadOptions verifyChecksums(boolean verifyChecksums)

If true, all data read from underlying storage will be verified against corresponding checksums.