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java.lang.Object org.apache.lucene.store.DataOutput org.apache.lucene.store.IndexOutput org.apache.lucene.store.RAMOutputStream
public class RAMOutputStream
A memory-resident IndexOutput
implementation.
Constructor Summary | |
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RAMOutputStream()
Construct an empty output buffer. |
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RAMOutputStream(RAMFile f)
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Method Summary | |
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void |
close()
Closes this stream to further operations. |
void |
copyBytes(DataInput input,
long numBytes)
Copy numBytes bytes from input to ourself. |
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 |
reset()
Resets this to an empty file. |
void |
seek(long pos)
Sets current position in this file, where the next write will occur. |
long |
sizeInBytes()
Returns byte usage of all buffers. |
void |
writeByte(byte b)
Writes a single byte. |
void |
writeBytes(byte[] b,
int offset,
int len)
Writes an array of bytes. |
void |
writeTo(IndexOutput out)
Copy the current contents of this buffer to the named output. |
Methods inherited from class org.apache.lucene.store.IndexOutput |
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setLength |
Methods inherited from class org.apache.lucene.store.DataOutput |
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writeBytes, writeChars, writeChars, writeInt, writeLong, writeString, writeStringStringMap, writeVInt, writeVLong |
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 RAMOutputStream()
public RAMOutputStream(RAMFile f)
Method Detail |
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public void writeTo(IndexOutput out) throws IOException
IOException
public void reset()
public void close() throws IOException
IndexOutput
close
in interface Closeable
close
in class IndexOutput
IOException
public void seek(long pos) throws IOException
IndexOutput
seek
in class IndexOutput
IOException
IndexOutput.getFilePointer()
public long length()
IndexOutput
length
in class IndexOutput
public void writeByte(byte b) throws IOException
DataOutput
writeByte
in class DataOutput
IOException
DataInput.readByte()
public void writeBytes(byte[] b, int offset, int len) throws IOException
DataOutput
writeBytes
in class DataOutput
b
- the bytes to writeoffset
- the offset in the byte arraylen
- the number of bytes to write
IOException
DataInput.readBytes(byte[],int,int)
public void flush() throws IOException
IndexOutput
flush
in class IndexOutput
IOException
public long getFilePointer()
IndexOutput
getFilePointer
in class IndexOutput
IndexOutput.seek(long)
public long sizeInBytes()
public void copyBytes(DataInput input, long numBytes) throws IOException
DataOutput
copyBytes
in class DataOutput
IOException
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