bbd.jportal2

Class Key

java.lang.Object

bbd.jportal2.Key

All Implemented Interfaces:

Serializable

public class Key
extends Object
implements Serializable

Keys and Indexes used for the database (if its not primary or unique then it is an index)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
Vector<String>	fields List of fields used in the index or key
boolean	isPrimary Indicates the primary key
boolean	isUnique Indicates the index is unique (not defined if primary key)
String	name Name of index or key
Vector<String>	options

Constructor Summary

Constructors

Constructor and Description
Key() Contructs with default values

Method Summary

Modifier and Type	Method and Description
boolean	hasField(String s) Checks if field is already used
void	reader(DataInputStream ids)
void	writer(DataOutputStream ods)

Methods inherited from class java.lang.Object

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

Field Detail

name

public String name

Name of index or key

fields

public Vector<String> fields

List of fields used in the index or key

options

public Vector<String> options

isPrimary

public boolean isPrimary

Indicates the primary key

isUnique

public boolean isUnique

Indicates the index is unique (not defined if primary key)

Constructor Detail

Key

public Key()

Contructs with default values

Method Detail

reader

public void reader(DataInputStream ids)
            throws IOException

Throws:

IOException

writer

public void writer(DataOutputStream ods)
            throws IOException

Throws:

IOException

hasField

public boolean hasField(String s)

Checks if field is already used