org.aksw.jena_sparql_api.io.binseach

Class BlockSources

java.lang.Object

org.aksw.jena_sparql_api.io.binseach.BlockSources

public class BlockSources
extends Object

Constructor Summary

Constructors

Constructor and Description
BlockSources()

Method Summary

Modifier and Type	Method and Description
static Reference<Block>	binarySearch(BlockSource blockSource, long min, long max, byte delimiter, byte[] prefix) Binary search over blocks Only examines the first record in the block to decide whether to look into the next or the previous one
static void	closeWithIOException(AutoCloseable obj)
static BinarySearcher	createBinarySearcherBz2(FileChannel fileChannel, boolean closeChannel)
static BinarySearcher	createBinarySearcherBz2(Path path)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BlockSources

public BlockSources()

Method Detail

createBinarySearcherBz2

public static BinarySearcher createBinarySearcherBz2(Path path)
                                              throws IOException

Throws:

IOException

createBinarySearcherBz2

public static BinarySearcher createBinarySearcherBz2(FileChannel fileChannel,
                                                     boolean closeChannel)
                                              throws IOException

Throws:

IOException

binarySearch

public static Reference<Block> binarySearch(BlockSource blockSource,
                                            long min,
                                            long max,
                                            byte delimiter,
                                            byte[] prefix)
                                     throws IOException

Binary search over blocks Only examines the first record in the block to decide whether to look into the next or the previous one

Parameters:

blockSource -

min -

max - (exclusive)

delimiter -

prefix -

Returns:

A reference to a block that may contain the key or null if no candidate block was found

Throws:

Exception

IOException

closeWithIOException

public static void closeWithIOException(AutoCloseable obj)
                                 throws IOException

Throws:

IOException