public class EntryNamRandomAccess extends EmblCDROMRandomAccess
EntryNamRandomAccess
objects provide random access to
records within the "entrynam.idx" file of an EMBL CD-ROM format
binary index. Records are retrieved by their sequence ID.raIndexFile, recBytes, recParser
Constructor and Description |
---|
EntryNamRandomAccess(java.io.File indexFile,
int headerLength,
int recordLength,
long recordCount) |
Modifier and Type | Method and Description |
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protected java.lang.String |
getRecordKey(java.lang.Object[] record)
getRecordKey returns the field from the record on
which the records were sorted in the index. |
protected java.lang.Object[] |
readRecord()
readRecord creates an array of Objects from the
raw byte array of a single record. |
close, findRecord, getFile
public EntryNamRandomAccess(java.io.File indexFile, int headerLength, int recordLength, long recordCount) throws java.io.FileNotFoundException
java.io.FileNotFoundException
protected java.lang.Object[] readRecord() throws java.io.IOException
readRecord
creates an array of Objects from the
raw byte array of a single record. For this file type the array
contains String seqID, Long rPosition, Long sPosition,
Integer fileNumber
. See EMBOSS documentation for a full
description.readRecord
in class EmblCDROMRandomAccess
Object []
array.java.io.IOException
- if an error occurs.protected java.lang.String getRecordKey(java.lang.Object[] record)
getRecordKey
returns the field from the record on
which the records were sorted in the index. (i.e. sequence ID
or accession number).getRecordKey
in class EmblCDROMRandomAccess
String
.