public abstract class IndexOutput
extends java.lang.Object
Directory
,
IndexInput
Constructor and Description |
---|
IndexOutput() |
Modifier and Type | Method and Description |
---|---|
abstract void |
close()
Closes this stream to further operations.
|
void |
copyBytes(IndexInput input,
long numBytes)
Copy numBytes bytes from input to ourself.
|
abstract void |
flush()
Forces any buffered output to be written.
|
abstract long |
getFilePointer()
Returns the current position in this file, where the next write will
occur.
|
abstract long |
length()
The number of bytes in the file.
|
abstract void |
seek(long pos)
Sets current position in this file, where the next write will occur.
|
void |
setLength(long length)
Set the file length.
|
abstract void |
writeByte(byte b)
Writes a single byte.
|
void |
writeBytes(byte[] b,
int length)
Writes an array of bytes.
|
abstract void |
writeBytes(byte[] b,
int offset,
int length)
Writes an array of bytes.
|
void |
writeChars(char[] s,
int start,
int length)
Deprecated.
-- please pre-convert to utf8 bytes instead or use
writeString(java.lang.String) |
void |
writeChars(java.lang.String s,
int start,
int length)
Deprecated.
-- please pre-convert to utf8 bytes
instead or use
writeString(java.lang.String) |
void |
writeInt(int i)
Writes an int as four bytes.
|
void |
writeLong(long i)
Writes a long as eight bytes.
|
void |
writeString(java.lang.String s)
Writes a string.
|
void |
writeVInt(int i)
Writes an int in a variable-length format.
|
void |
writeVLong(long i)
Writes an long in a variable-length format.
|
public abstract void writeByte(byte b) throws java.io.IOException
java.io.IOException
IndexInput.readByte()
public void writeBytes(byte[] b, int length) throws java.io.IOException
b
- the bytes to writelength
- the number of bytes to writejava.io.IOException
IndexInput.readBytes(byte[],int,int)
public abstract void writeBytes(byte[] b, int offset, int length) throws java.io.IOException
b
- the bytes to writeoffset
- the offset in the byte arraylength
- the number of bytes to writejava.io.IOException
IndexInput.readBytes(byte[],int,int)
public void writeInt(int i) throws java.io.IOException
java.io.IOException
IndexInput.readInt()
public void writeVInt(int i) throws java.io.IOException
java.io.IOException
IndexInput.readVInt()
public void writeLong(long i) throws java.io.IOException
java.io.IOException
IndexInput.readLong()
public void writeVLong(long i) throws java.io.IOException
java.io.IOException
IndexInput.readVLong()
public void writeString(java.lang.String s) throws java.io.IOException
java.io.IOException
IndexInput.readString()
public void writeChars(java.lang.String s, int start, int length) throws java.io.IOException
writeString(java.lang.String)
s
- the source of the charactersstart
- the first character in the sequencelength
- the number of characters in the sequencejava.io.IOException
public void writeChars(char[] s, int start, int length) throws java.io.IOException
writeString(java.lang.String)
s
- the source of the charactersstart
- the first character in the sequencelength
- the number of characters in the sequencejava.io.IOException
public void copyBytes(IndexInput input, long numBytes) throws java.io.IOException
java.io.IOException
public abstract void flush() throws java.io.IOException
java.io.IOException
public abstract void close() throws java.io.IOException
java.io.IOException
public abstract long getFilePointer()
seek(long)
public abstract void seek(long pos) throws java.io.IOException
java.io.IOException
getFilePointer()
public abstract long length() throws java.io.IOException
java.io.IOException
public void setLength(long length) throws java.io.IOException
length
- file lengthjava.io.IOException
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