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Class calypso.util.CacheInputStream
java.lang.Object | +----java.io.InputStream | +----calypso.util.CacheInputStream
This is the private class that is used for reading data out of the file underlying a CacheOutputStream. This is used only when a file is being used for cacheing, not when the memory buffer is being used. Mainly this just passes the various InputStream methods along to the underlying file stream; but it adds one other thing, which is that as soon as the underlying file stream hits eof, the underlying file is deleted (by calling CacheOutputStream.discardBuffer().)
class CacheInputStream
extends java.io.InputStream
{
// Fields 2
protected InputStream stream;
protected CacheOutputStream stream_cache;
// Constructors 1
CacheInputStream(CacheOutputStream, InputStream);
// Methods 11
public int available() throws IOException;
public void close() throws IOException;
protected synchronized void discardBackingStore();
protected void finalize();
public void mark(int);
public boolean markSupported();
public int read() throws IOException;
public int read(byte[]) throws IOException;
public int read(byte[], int, int) throws IOException;
public void reset() throws IOException;
public long skip(long) throws IOException;
}
Fields
• stream_cache
protected CacheOutputStream stream_cache
• stream
protected InputStream stream
Constructors
• CacheInputStream
CacheInputStream(CacheOutputStream sc, InputStream s)
Methods
• available
public int available() throws IOException
- Overrides:
- available in class InputStream
• close
public void close() throws IOException
- Overrides:
- close in class InputStream
• mark
public void mark(int i)
- Overrides:
- mark in class InputStream
• markSupported
public boolean markSupported()
- Overrides:
- markSupported in class InputStream
• read
public int read() throws IOException
- Overrides:
- read in class InputStream
• read
public int read(byte[] b) throws IOException
- Overrides:
- read in class InputStream
• read
public int read(byte[] b,
int start,
int length) throws IOException
- Overrides:
- read in class InputStream
• reset
public void reset() throws IOException
- Overrides:
- reset in class InputStream
• skip
public long skip(long i) throws IOException
- Overrides:
- skip in class InputStream
• discardBackingStore
protected synchronized void discardBackingStore()
• finalize
protected void finalize()
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