org.apache.lucene.store
public abstract class IndexOutput extends Object
Directory
,
IndexInput
Constructor and Description |
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IndexOutput() |
Modifier and Type | Method and Description |
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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.
|
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)
Writes a sequence of UTF-8 encoded characters from a char[].
|
void |
writeChars(String s,
int start,
int length)
Writes a sequence of UTF-8 encoded characters from a string.
|
void |
writeInt(int i)
Writes an int as four bytes.
|
void |
writeLong(long i)
Writes a long as eight bytes.
|
void |
writeString(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 IOException
IOException
IndexInput.readByte()
public void writeBytes(byte[] b, int length) throws IOException
b
- the bytes to writelength
- the number of bytes to writeIOException
IndexInput.readBytes(byte[],int,int)
public abstract void writeBytes(byte[] b, int offset, int length) throws IOException
b
- the bytes to writeoffset
- the offset in the byte arraylength
- the number of bytes to writeIOException
IndexInput.readBytes(byte[],int,int)
public void writeInt(int i) throws IOException
IOException
IndexInput.readInt()
public void writeVInt(int i) throws IOException
IOException
IndexInput.readVInt()
public void writeLong(long i) throws IOException
IOException
IndexInput.readLong()
public void writeVLong(long i) throws IOException
IOException
IndexInput.readVLong()
public void writeString(String s) throws IOException
IOException
IndexInput.readString()
public void writeChars(String s, int start, int length) throws IOException
s
- the source of the charactersstart
- the first character in the sequencelength
- the number of characters in the sequenceIOException
IndexInput.readChars(char[],int,int)
public void writeChars(char[] s, int start, int length) throws IOException
s
- the source of the charactersstart
- the first character in the sequencelength
- the number of characters in the sequenceIOException
IndexInput.readChars(char[],int,int)
public void copyBytes(IndexInput input, long numBytes) throws IOException
IOException
public abstract void flush() throws IOException
IOException
public abstract void close() throws IOException
IOException
public abstract long getFilePointer()
seek(long)
public abstract void seek(long pos) throws IOException
IOException
getFilePointer()
public abstract long length() throws IOException
IOException
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