Top Description Fields Constructors Methods

org.eclipse.persistence.internal.expressions

public Class TableAliasLookup

Class Inheritance

extends Object
implements Serializable

java.lang.Object
org.eclipse.persistence.internal.expressions.TableAliasLookup

All Implemented Interfaces

java.io.Serializable

Imports

java.io.*, java.util.Map, org.eclipse.persistence.internal.helper.*

INTERNAL: Represents the aliased tables an ObjectExpression will be translated to, along with any of its derived TableExpressions. For bug 2778339 / CR 2456, this Lookup also represents identity. Two expressions with the same Lookup will be translated to the same table(s).

Field Summary

Modifier and Type	Field and Description
protected boolean	haveBeenAddedToStatement
protected DatabaseTable[]	keys
protected int	lastUsed
protected DatabaseTable[]	values

Constructor Summary

Access	Constructor and Description
public	TableAliasLookup() TableAliasLookup constructor comment.
public	TableAliasLookup(int initialSize) TableAliasLookup constructor comment.

Method Summary

Modifier and Type	Method and Description
public void	addToMap(Map<DatabaseTable, DatabaseTable> map)
public DatabaseTable	get(DatabaseTable key)
private void	grow()
public boolean	haveBeenAddedToStatement() INTERNAL: Answers if the aliases have already been added to a statement.
public boolean	isEmpty() isEmpty method comment.
public DatabaseTable	keyAtValue(DatabaseTable value)
public DatabaseTable[]	keys()
private int	lookupIndexOf(DatabaseTable table)
private int	lookupValueIndexOf(DatabaseTable table)
public DatabaseTable	put(DatabaseTable key, DatabaseTable value) put method comment.
public void	setHaveBeenAddedToStatement(boolean value) INTERNAL: Called when aliases are added to a statement.
public int	size() size method comment.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
public DatabaseTable[]	values()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

haveBeenAddedToStatement	back to summary
protected boolean haveBeenAddedToStatement

keys	back to summary
protected DatabaseTable[] keys

lastUsed	back to summary
protected int lastUsed

values	back to summary
protected DatabaseTable[] values

Constructor Detail

TableAliasLookup	back to summary
public TableAliasLookup() TableAliasLookup constructor comment.

TableAliasLookup	back to summary
public TableAliasLookup(int initialSize) TableAliasLookup constructor comment.

Method Detail

addToMap	back to summary
public void addToMap(Map<DatabaseTable, DatabaseTable> map)

get	back to summary
public DatabaseTable get(DatabaseTable key)

grow	back to summary
private void grow()

haveBeenAddedToStatement	back to summary
public boolean haveBeenAddedToStatement() INTERNAL: Answers if the aliases have already been added to a statement. This insures that a subselect will not re-add aliases already in a parent FROM clause. For CR#4223

isEmpty	back to summary
public boolean isEmpty() isEmpty method comment.

keyAtValue	back to summary
public DatabaseTable keyAtValue(DatabaseTable value)

keys	back to summary
public DatabaseTable[] keys()

lookupIndexOf	back to summary
private int lookupIndexOf(DatabaseTable table)

lookupValueIndexOf	back to summary
private int lookupValueIndexOf(DatabaseTable table)

put	back to summary
public DatabaseTable put(DatabaseTable key, DatabaseTable value) put method comment.

setHaveBeenAddedToStatement	back to summary
public void setHaveBeenAddedToStatement(boolean value) INTERNAL: Called when aliases are added to a statement. This insures that a subselect will not re-add aliases already in a parent FROM clause. For CR#4223

size	back to summary
public int size() size method comment.

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations

@Override

values	back to summary
public DatabaseTable[] values()