org.iq80.leveldb.impl

Class DbImpl

java.lang.Object

org.iq80.leveldb.impl.DbImpl

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<Map.Entry<byte[],byte[]>>, DB

public class DbImpl
extends Object
implements DB

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DbImpl.BackgroundProcessingException
static class	DbImpl.DatabaseShutdownException
class	DbImpl.RecordBytesListener

Constructor Summary

Constructors

Constructor and Description
DbImpl(Options rawOptions, String dbname, Env env)

Method Summary

Modifier and Type	Method and Description
void	close()
void	compactRange(byte[] begin, byte[] end)
WriteBatch	createWriteBatch()
void	delete(byte[] key)
Snapshot	delete(byte[] key, WriteOptions options)
static boolean	destroyDB(File dbname, Env env)
byte[]	get(byte[] key)
byte[]	get(byte[] key, ReadOptions options)
long[]	getApproximateSizes(Range... ranges)
long	getApproximateSizes(Range range)
long	getMaxNextLevelOverlappingBytes()
String	getProperty(String name)
Snapshot	getSnapshot()
DBIteratorAdapter	iterator()
DBIteratorAdapter	iterator(ReadOptions options)
void	put(byte[] key, byte[] value)
Snapshot	put(byte[] key, byte[] value, WriteOptions options)
void	resumeCompactions()
void	suspendCompactions()
String	toString()
void	write(WriteBatch updates)
Snapshot	write(WriteBatch updates, WriteOptions options)
Snapshot	writeInternal(WriteBatchImpl myBatch, WriteOptions options)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

DbImpl

public DbImpl(Options rawOptions,
              String dbname,
              Env env)
       throws IOException

Throws:

IOException

Method Detail

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

getProperty

public String getProperty(String name)

Specified by:

getProperty in interface DB

get

public byte[] get(byte[] key)
           throws DBException

Specified by:

get in interface DB

Throws:

DBException

get

public byte[] get(byte[] key,
                  ReadOptions options)
           throws DBException

Specified by:

get in interface DB

Throws:

DBException

put

public void put(byte[] key,
                byte[] value)
         throws DBException

Specified by:

put in interface DB

Throws:

DBException

put

public Snapshot put(byte[] key,
                    byte[] value,
                    WriteOptions options)
             throws DBException

Specified by:

put in interface DB

Throws:

DBException

delete

public void delete(byte[] key)
            throws DBException

Specified by:

delete in interface DB

Throws:

DBException

delete

public Snapshot delete(byte[] key,
                       WriteOptions options)
                throws DBException

Specified by:

delete in interface DB

Throws:

DBException

write

public void write(WriteBatch updates)
           throws DBException

Specified by:

write in interface DB

Throws:

DBException

write

public Snapshot write(WriteBatch updates,
                      WriteOptions options)
               throws DBException

Specified by:

write in interface DB

Throws:

DBException

writeInternal

public Snapshot writeInternal(WriteBatchImpl myBatch,
                              WriteOptions options)
                       throws DBException

Throws:

DBException

createWriteBatch

public WriteBatch createWriteBatch()

Specified by:

createWriteBatch in interface DB

iterator

public DBIteratorAdapter iterator()

Specified by:

iterator in interface Iterable<Map.Entry<byte[],byte[]>>

Specified by:

iterator in interface DB

iterator

public DBIteratorAdapter iterator(ReadOptions options)

Specified by:

iterator in interface DB

getSnapshot

public Snapshot getSnapshot()

Specified by:

getSnapshot in interface DB

getApproximateSizes

public long[] getApproximateSizes(Range... ranges)

Specified by:

getApproximateSizes in interface DB

getApproximateSizes

public long getApproximateSizes(Range range)

getMaxNextLevelOverlappingBytes

public long getMaxNextLevelOverlappingBytes()

suspendCompactions

public void suspendCompactions()
                        throws InterruptedException

Specified by:

suspendCompactions in interface DB

Throws:

InterruptedException

resumeCompactions

public void resumeCompactions()

Specified by:

resumeCompactions in interface DB

compactRange

public void compactRange(byte[] begin,
                         byte[] end)
                  throws DBException

Specified by:

compactRange in interface DB

Throws:

DBException

destroyDB

public static boolean destroyDB(File dbname,
                                Env env)
                         throws IOException

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object