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java.lang.Objectcom.imagero.uio.buffer.AbstractBufferManager
com.imagero.uio.buffer.RAFBufferManager
| Field Summary | |
protected java.io.RandomAccessFile |
raf
|
| Fields inherited from class com.imagero.uio.buffer.AbstractBufferManager |
defaultBufferSize |
| Fields inherited from interface com.imagero.uio.buffer.BufferManager |
empty |
| Constructor Summary | |
RAFBufferManager(java.io.RandomAccessFile raf)
|
|
RAFBufferManager(java.io.RandomAccessFile raf,
long offset)
|
|
RAFBufferManager(java.io.RandomAccessFile raf,
long offset,
long length)
create MutableBuffer for RandomAccessRO (with standard Buffer length of 50k) |
|
RAFBufferManager(java.io.RandomAccessFile raf,
long offset,
long length,
int dsLength)
create MutableBuffer for RandomAccessRO |
|
| Method Summary | |
void |
clear()
clear all buffered data without closing |
void |
close()
Allows to free all possibly used resources |
protected Buffer |
createBuffer(java.io.RandomAccessFile raf,
long offset,
int dsLength)
|
byte[] |
getData(int i)
get data (as byte array) from i'th Buffer |
protected byte[] |
getDataImpl(int i)
read i'th Buffer |
int |
getDataLength(int i)
get length of i'th Buffer |
long |
getDataStart(int i)
get start of i'th Buffer in byte I assume here that length of each Buffer (except last one) equals to dsLength |
int |
getIndex(long pos)
get index of Buffer which contains pos |
long |
getLength()
get length of data |
| Methods inherited from class com.imagero.uio.buffer.AbstractBufferManager |
clear, clearImpl, createAccessManager, flush, getCount, getDefaultBufferSize, getEnd, getMaxCache, getStart, setDefaultBufferSize, setDirty, setDirty, setMaxCache |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
protected java.io.RandomAccessFile raf
| Constructor Detail |
public RAFBufferManager(java.io.RandomAccessFile raf)
throws java.io.IOException
public RAFBufferManager(java.io.RandomAccessFile raf,
long offset)
throws java.io.IOException
public RAFBufferManager(java.io.RandomAccessFile raf,
long offset,
long length)
RABufferRO
public RAFBufferManager(java.io.RandomAccessFile raf,
long offset,
long length,
int dsLength)
dsLength - standard length of one data block of BufferRABufferRO| Method Detail |
protected Buffer createBuffer(java.io.RandomAccessFile raf,
long offset,
int dsLength)
public byte[] getData(int i)
throws java.io.IOException
i - Buffer index
java.io.IOException - if i'th Buffer not exists and couldn't be read
protected byte[] getDataImpl(int i)
throws java.io.IOException
i - Buffer index
java.io.IOExceptionpublic int getDataLength(int i)
i - Buffer index
public int getIndex(long pos)
pos
pos -
public long getLength()
public long getDataStart(int i)
dsLength
i -
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n-1 |
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| dataStart(n) = | Σ | getDataLength(i) |
|
i=0 |
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public void close()
BufferManager
public void clear()
BufferManager
clear in interface BufferManagerclear in class AbstractBufferManager
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