ORG.oclc.z39
Class byAttributes

java.lang.Object
  |
  +--ORG.oclc.z39.byAttributes

public class byAttributes

extends Object

Object to maintain the per-database results for a Z39.50 scan.

Constructor Summary

byAttributes(Attribute[] a, String d, int n)
Build a list of attributes for a term with database and posting information.

byAttributes(DataDir byAttribute)
Build a list of attributes for a term with database and posting information from a TermInfo DataDir.

Method Summary

void	addOccurrences(String dbName, int postings) Adds a new database name and postings count to this attribute combination.
boolean	attributesMatch(Attribute[] a) Compare the input Attribute object to this object.
static DataDir	buildDir(Attribute[] attributes, Vector databaseNames, Vector num) Build a DataDir from an Attribute object array.
static DataDir	buildDir(byAttributes b) Build a DataDir from a byAttributes Object.
String[]	databaseNames() Get an array representation of all the database names in the scan.
void	mergeDbOccurrences(String newName) Merges multiple database names and counts into a single database name and count.
Integer[]	nums() Get an array representation of all the postings counts in the scan.
void	setDatabaseName(String name, int whichName) Set the databaseName in an attribute.
String	toString() Generate a String representation of this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

byAttributes

public byAttributes(Attribute[] a,
                    String d,
                    int n)

Build a list of attributes for a term with database and posting information.

byAttributes

public byAttributes(DataDir byAttribute)
             throws Diagnostic1

Build a list of attributes for a term with database and posting information from a TermInfo DataDir.

Throws:

Diagnostic1 - when the input record is not formatted according to the standard

Method Detail

databaseNames

public String[] databaseNames()

Get an array representation of all the database names in the scan.

Returns:

String[]

nums

public Integer[] nums()

Get an array representation of all the postings counts in the scan.

Returns:

Integer[]

setDatabaseName

public void setDatabaseName(String name,
                            int whichName)

Set the databaseName in an attribute.

Parameters:

name - is the string to set the entry to

whichName - denotes the position in the databaseNames vector

mergeDbOccurrences

public void mergeDbOccurrences(String newName)

Merges multiple database names and counts into a single database name and count.

Parameters:

newName - name of the new merged database

attributesMatch

public boolean attributesMatch(Attribute[] a)

Compare the input Attribute object to this object.

Parameters:

a - the input Attribute

Returns:

true if the attributes specified by 'a' match this list of attributes

addOccurrences

public void addOccurrences(String dbName,
                           int postings)

Adds a new database name and postings count to this attribute combination.

buildDir

public static DataDir buildDir(Attribute[] attributes,
                               Vector databaseNames,
                               Vector num)

Build a DataDir from an Attribute object array.

Parameters:

attributes - attribute combination

databaseNames - list of databases with results

num - list of counts to go with database names

Returns:

a byAttributes DataDir built from the parameters

buildDir

public static DataDir buildDir(byAttributes b)

Build a DataDir from a byAttributes Object.

Returns:

a byAttributes DataDir built from the byAttributes object

toString

public String toString()

Generate a String representation of this object.

Returns:

String

Overrides:

toString in class Object