Class CSValueDB

java.lang.Object

CSValueDB

public class CSValueDB
extends java.lang.Object

This is a container class which holds a database contained in a .csv file. This class uses classes CSValueRecord and FieldValue. The database is basically an array of CSValueRecords, and each record of which is basically an array of FieldValues.

Constructor Summary

Constructors

Constructor and Description
CSValueDB(CSValueRecord[] ra, char[] ta, java.lang.String[] fna) Instantiate a database.
CSValueDB(java.lang.String fileName) Load the database from a file.

Method Summary

Modifier and Type	Method and Description
void	dumpCSV(java.lang.String csvFile) Write the database to a file in .csv format.
java.lang.String[]	getFieldNames() Get the field names of the records.
char[]	getFieldTypes() Get the field types of the records.
int	getNumFields() Get the number of fields per record.
int	getNumRecords() Get the number of records in the database.
CSValueRecord[]	getRecords() Get the records of the database.
java.lang.String	toString() Return a String representing the database.

Methods inherited from class java.lang.Object

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

Constructor Detail

CSValueDB

public CSValueDB(java.lang.String fileName)

Load the database from a file.

Parameters:

fileName - The .csv file containing the database.

CSValueDB

public CSValueDB(CSValueRecord[] ra,
                 char[] ta,
                 java.lang.String[] fna)

Instantiate a database.

Parameters:

ra - The array of records.

ta - The array of types. Type i is int, type d is double, and type s is String.

fna - The array of field names.

Method Detail

getNumRecords

public int getNumRecords()

Get the number of records in the database.

Returns:

The number of records in the database.

getNumFields

public int getNumFields()

Get the number of fields per record.

Returns:

The number of fields per record.

getFieldNames

public java.lang.String[] getFieldNames()

Get the field names of the records.

Returns:

The field names of the records.

getFieldTypes

public char[] getFieldTypes()

Get the field types of the records. Type i is int, type d is double, and type s is String.

Returns:

The field types of the records.

getRecords

public CSValueRecord[] getRecords()

Get the records of the database.

Returns:

The records of the database.

toString

public java.lang.String toString()

Return a String representing the database.

Overrides:

toString in class java.lang.Object

Returns:

A String representing the database.

dumpCSV

public void dumpCSV(java.lang.String csvFile)

Write the database to a file in .csv format.

Parameters:

csvFile - The file name to write to.