public class DbIndexOutput extends IndexOutput
Modifier and Type | Field and Description |
---|---|
protected Block |
block |
static int |
BLOCK_LEN |
static int |
BLOCK_MASK |
static int |
BLOCK_SHIFT
The size of data blocks, currently 16k (2^14), is determined by this
constant.
|
protected DbDirectory |
directory |
protected File |
file |
protected long |
length |
protected long |
position |
Modifier | Constructor and Description |
---|---|
protected |
DbIndexOutput(DbDirectory directory,
java.lang.String name,
boolean create) |
Modifier and Type | Method and Description |
---|---|
void |
close()
Closes this stream to further operations.
|
void |
flush()
Forces any buffered output to be written.
|
long |
getFilePointer()
Returns the current position in this file, where the next write will
occur.
|
long |
length()
The number of bytes in the file.
|
void |
seek(long pos)
Sets current position in this file, where the next write will occur.
|
void |
writeByte(byte b)
Writes a single byte.
|
void |
writeBytes(byte[] b,
int offset,
int len)
Writes an array of bytes.
|
copyBytes, setLength, writeBytes, writeChars, writeChars, writeInt, writeLong, writeString, writeStringStringMap, writeVInt, writeVLong
public static final int BLOCK_SHIFT
public static final int BLOCK_LEN
public static final int BLOCK_MASK
protected long position
protected long length
protected DbDirectory directory
protected Block block
protected File file
protected DbIndexOutput(DbDirectory directory, java.lang.String name, boolean create) throws java.io.IOException
java.io.IOException
public void close() throws java.io.IOException
IndexOutput
close
in class IndexOutput
java.io.IOException
public void flush() throws java.io.IOException
IndexOutput
flush
in class IndexOutput
java.io.IOException
public void writeByte(byte b) throws java.io.IOException
IndexOutput
writeByte
in class IndexOutput
java.io.IOException
IndexInput.readByte()
public void writeBytes(byte[] b, int offset, int len) throws java.io.IOException
IndexOutput
writeBytes
in class IndexOutput
b
- the bytes to writeoffset
- the offset in the byte arraylen
- the number of bytes to writejava.io.IOException
IndexInput.readBytes(byte[],int,int)
public long length() throws java.io.IOException
IndexOutput
length
in class IndexOutput
java.io.IOException
public void seek(long pos) throws java.io.IOException
IndexOutput
seek
in class IndexOutput
java.io.IOException
IndexOutput.getFilePointer()
public long getFilePointer()
IndexOutput
getFilePointer
in class IndexOutput
IndexOutput.seek(long)
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