htsjdk.samtools.reference

Class ReferenceSequenceFileWalker

java.lang.Object

htsjdk.samtools.reference.ReferenceSequenceFileWalker

All Implemented Interfaces:

java.io.Closeable

public class ReferenceSequenceFileWalker
extends java.lang.Object
implements java.io.Closeable

Manages a ReferenceSequenceFile. Loads the requested sequence, ensuring that access is in order, and confirming that sequence name and index agree.

Constructor Summary

Constructors

Constructor and Description
ReferenceSequenceFileWalker(java.io.File file)
ReferenceSequenceFileWalker(ReferenceSequenceFile referenceSequenceFile)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
ReferenceSequence	get(int sequenceIndex) Get reference sequence without validating name or length.
ReferenceSequence	get(int sequenceIndex, java.lang.String sequenceName, int length) Ensure that the requested sequence is loaded.
SAMSequenceDictionary	getSequenceDictionary()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReferenceSequenceFileWalker

public ReferenceSequenceFileWalker(ReferenceSequenceFile referenceSequenceFile)

ReferenceSequenceFileWalker

public ReferenceSequenceFileWalker(java.io.File file)

Method Detail

get

public ReferenceSequence get(int sequenceIndex,
                    java.lang.String sequenceName,
                    int length)

Ensure that the requested sequence is loaded. Throws an exception if out-of-order request is made, or if there is a mismatch between the requested name and the name found in the ReferenceSequenceFile

get

public ReferenceSequence get(int sequenceIndex)

Get reference sequence without validating name or length. This is OK if the entire sequence dictionary was validated before reading sequences.

getSequenceDictionary

public SAMSequenceDictionary getSequenceDictionary()

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException