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java.lang.Objectorg.apache.lucene.store.OutputStream
public abstract class OutputStream
Abstract class for output to a file in a Directory. A random-access output stream. Used for all Lucene index output operations.
Directory
,
InputStream
Constructor Summary | |
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OutputStream()
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Method Summary | |
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void |
close()
Closes this stream to further operations. |
protected void |
flush()
Forces any buffered output to be written. |
protected abstract void |
flushBuffer(byte[] b,
int len)
Expert: implements buffer write. |
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. |
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 length)
Writes an array of bytes. |
void |
writeChars(java.lang.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(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. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public OutputStream()
Method Detail |
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public final void writeByte(byte b) throws java.io.IOException
java.io.IOException
InputStream.readByte()
public final void writeBytes(byte[] b, int length) throws java.io.IOException
b
- the bytes to writelength
- the number of bytes to write
java.io.IOException
InputStream.readBytes(byte[],int,int)
public final void writeInt(int i) throws java.io.IOException
java.io.IOException
InputStream.readInt()
public final void writeVInt(int i) throws java.io.IOException
java.io.IOException
InputStream.readVInt()
public final void writeLong(long i) throws java.io.IOException
java.io.IOException
InputStream.readLong()
public final void writeVLong(long i) throws java.io.IOException
java.io.IOException
InputStream.readVLong()
public final void writeString(java.lang.String s) throws java.io.IOException
java.io.IOException
InputStream.readString()
public final void writeChars(java.lang.String s, int start, int length) throws java.io.IOException
s
- the source of the charactersstart
- the first character in the sequencelength
- the number of characters in the sequence
java.io.IOException
InputStream.readChars(char[],int,int)
protected final void flush() throws java.io.IOException
java.io.IOException
protected abstract void flushBuffer(byte[] b, int len) throws java.io.IOException
b
- the bytes to writelen
- the number of bytes to write
java.io.IOException
public void close() throws java.io.IOException
java.io.IOException
public final long getFilePointer() throws java.io.IOException
java.io.IOException
seek(long)
public void seek(long pos) throws java.io.IOException
java.io.IOException
getFilePointer()
public abstract long length() throws java.io.IOException
java.io.IOException
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