Interface BlockSource

All Known Subinterfaces:

PageManager

All Known Implementing Classes:

BlockSourceFromPageManager, PageManagerForByteBuffer, PageManagerForFileChannel, PageManagerOverDataStreamSource, PageManagerWrapper

public interface BlockSource

Method Summary

Modifier and Type	Method	Description
Ref<? extends Block>	contentAtOrAfter(long pos, boolean inclusive)
Ref<? extends Block>	contentAtOrBefore(long pos, boolean inclusive)
long	getSizeOfBlock(long pos)
boolean	hasBlockAfter(long pos)
boolean	hasBlockBefore(long pos)
long	size()	Return the number of valid positions within blocks can be searched

Method Details

contentAtOrBefore

Ref<? extends Block> contentAtOrBefore(long pos,
 boolean inclusive)
                                throws IOException

Throws:

IOException

contentAtOrAfter

Ref<? extends Block> contentAtOrAfter(long pos,
 boolean inclusive)
                               throws IOException

Throws:

IOException

hasBlockAfter

boolean hasBlockAfter(long pos)
               throws IOException

Throws:

IOException

hasBlockBefore

boolean hasBlockBefore(long pos)
                throws IOException

Throws:

IOException

getSizeOfBlock

long getSizeOfBlock(long pos)
             throws IOException

Throws:

IOException

size

long size()
   throws IOException

Return the number of valid positions within blocks can be searched

Returns:

Throws:

IOException