org.apache.openjpa.jdbc.sql

Class SelectImpl.Selects

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList

org.apache.openjpa.jdbc.sql.SelectImpl.Selects

All Implemented Interfaces:

Iterable, Collection, List

Enclosing class:

SelectImpl

protected static class SelectImpl.Selects
extends AbstractList

Helper class to track selected columns, with fast contains method. Acts as a list of select ids, with additional methods to manipulate the alias of each selected id.

Field Summary

Fields

Modifier and Type	Field and Description
protected Map	_aliases
protected DBDictionary	_dict
protected List	_idents
protected List	_ids
protected Map	_selectAs

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Selects()

Method Summary

Modifier and Type	Method and Description
void	addAll(SelectImpl.Selects sels) Add all aliases from another instance.
void	clear()
void	clearPlaceholders() Clear all placeholders and select AS clauses.
boolean	contains(Object id)
Object	get(int i)
Object	getAlias(Object id) Returns the alias of a given id.
List	getAliases(boolean ident, boolean inner) A list representation of the aliases, in select order, with AS aliases present.
int	indexOfAlias(Object alias) Return the index of the given alias.
void	insertAlias(int idx, Object id, Object alias) Insert an alias before the given index, using negative indexes to count backwards.
void	setAlias(int idx, Object alias) Set an alias for a given index.
int	setAlias(Object id, Object alias, boolean ident) Set an alias for a given id.
void	setSelectAs(Object id, String as) Set that a given id's alias has an AS value.
int	size()

Methods inherited from class java.util.AbstractList

add, add, addAll, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.List

addAll, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

_ids

protected List _ids

_idents

protected List _idents

_aliases

protected Map _aliases

_selectAs

protected Map _selectAs

_dict

protected DBDictionary _dict

Constructor Detail

Selects

protected Selects()

Method Detail

addAll

public void addAll(SelectImpl.Selects sels)

Add all aliases from another instance.

getAlias

public Object getAlias(Object id)

Returns the alias of a given id.

setAlias

public int setAlias(Object id,
                    Object alias,
                    boolean ident)

Set an alias for a given id.

setAlias

public void setAlias(int idx,
                     Object alias)

Set an alias for a given index.

insertAlias

public void insertAlias(int idx,
                        Object id,
                        Object alias)

Insert an alias before the given index, using negative indexes to count backwards.

indexOfAlias

public int indexOfAlias(Object alias)

Return the index of the given alias.

getAliases

public List getAliases(boolean ident,
                       boolean inner)

A list representation of the aliases, in select order, with AS aliases present.

setSelectAs

public void setSelectAs(Object id,
                        String as)

Set that a given id's alias has an AS value.

clearPlaceholders

public void clearPlaceholders()

Clear all placeholders and select AS clauses.

contains

public boolean contains(Object id)

Specified by:

contains in interface Collection

Specified by:

contains in interface List

Overrides:

contains in class AbstractCollection

get

public Object get(int i)

Specified by:

get in interface List

Specified by:

get in class AbstractList

size

public int size()

Specified by:

size in interface Collection

Specified by:

size in interface List

Specified by:

size in class AbstractCollection

clear

public void clear()

Specified by:

clear in interface Collection

Specified by:

clear in interface List

Overrides:

clear in class AbstractList