com.goldencode.p2j.persist.orm.schema.element

Class Element

java.lang.Object

com.goldencode.p2j.persist.orm.schema.element.Element

Direct Known Subclasses:

Attribute, Index, Sequence, Table

public abstract class Element
extends java.lang.Object

Abstract database element representation. Tables, Attributes and Indexes all extend this class.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	comment Comment for the element.
private java.lang.String	name Most basic property of any element - it's name.
private Table	table Parent of the element.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Element(java.lang.String name, java.lang.String comment) Default constructor.
protected	Element(java.lang.String name, Table table, java.lang.String comment) Default constructor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o) Equals override uses name as a basic identifier.
java.lang.String	getComment() Getter for comment.
java.lang.String	getName() Getter for name
Table	getTable() Getter for table.
int	hashCode() Hashcode override uses name as a basic identifier.

Methods inherited from class java.lang.Object

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

Field Detail

table

private final Table table

Parent of the element. Table for indexes and columns, null for tables.

name

private final java.lang.String name

Most basic property of any element - it's name.

comment

private final java.lang.String comment

Comment for the element.

Constructor Detail

Element

protected Element(java.lang.String name,
                  java.lang.String comment)

Default constructor.

Parameters:

name - Most basic property of any element - it's name

comment - Comment for the element

Element

protected Element(java.lang.String name,
                  Table table,
                  java.lang.String comment)

Default constructor.

Parameters:

name - Most basic property of any element - it's name

table - Table containing the element (parent)

comment - Comment for the element

Method Detail

getTable

public Table getTable()

Getter for table.

Returns:

Parent of the element. Table for indexes and columns, null for tables.

getName

public java.lang.String getName()

Getter for name

Returns:

Most basic property of any element - its name.

getComment

public java.lang.String getComment()

Getter for comment.

Returns:

Comment for the column

equals

public boolean equals(java.lang.Object o)

Equals override uses name as a basic identifier. This makes it easy to compare different elements in collections.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Hashcode override uses name as a basic identifier. This makes it easy to compare different elements in collections.

Overrides:

hashCode in class java.lang.Object