Package org.aksw.commons.io.hadoop.binseach.bz2

Class BlockSources

java.lang.Object

org.aksw.commons.io.hadoop.binseach.bz2.BlockSources

public class BlockSources
extends Object

Constructor Summary

Constructors

Constructor	Description
BlockSources()

Method Summary

Modifier and Type	Method	Description
static org.aksw.commons.util.ref.Ref<? extends org.aksw.commons.io.block.api.Block>	binarySearch(org.aksw.commons.io.block.api.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	closeWithRethrowAsIOException(AutoCloseable obj)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherBz2(FileChannel fileChannel, int pageSize, boolean closeChannel)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherBz2(Path path)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherBz2(Path path, int pageSize)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherBz2(org.aksw.commons.io.seekable.api.SeekableSource seekableSource)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherText(FileChannel fileChannel, int pageSize, boolean closeChannel)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherText(Path path)
static org.aksw.commons.io.binseach.BinarySearcher	createBinarySearcherText(Path path, int pageSize)

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 org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherBz2(Path path)
                                                                           throws IOException

Throws:

IOException

createBinarySearcherBz2

public static org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherBz2(Path path,
                                                                                  int pageSize)
                                                                           throws IOException

Throws:

IOException

createBinarySearcherBz2

public static org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherBz2(FileChannel fileChannel,
                                                                                  int pageSize,
                                                                                  boolean closeChannel)
                                                                           throws IOException

Throws:

IOException

createBinarySearcherBz2

public static org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherBz2(org.aksw.commons.io.seekable.api.SeekableSource seekableSource)
                                                                           throws IOException

Throws:

IOException

createBinarySearcherText

public static org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherText(Path path)
                                                                            throws IOException

Throws:

IOException

createBinarySearcherText

public static org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherText(Path path,
                                                                                   int pageSize)
                                                                            throws IOException

Throws:

IOException

createBinarySearcherText

public static org.aksw.commons.io.binseach.BinarySearcher createBinarySearcherText(FileChannel fileChannel,
                                                                                   int pageSize,
                                                                                   boolean closeChannel)
                                                                            throws IOException

Throws:

IOException

binarySearch

public static org.aksw.commons.util.ref.Ref<? extends org.aksw.commons.io.block.api.Block> binarySearch(org.aksw.commons.io.block.api.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

closeWithRethrowAsIOException

public static void closeWithRethrowAsIOException(AutoCloseable obj)
                                          throws IOException

Throws:

IOException