oracle.webcenter.portal.persistence.query

Class AbstractQuerySupport<T extends PortalEntity>

java.lang.Object

oracle.webcenter.portal.persistence.query.AbstractQuerySupport<T>

Type Parameters:

T - the return type of the query

All Implemented Interfaces:

AbstractQuery<T>

Direct Known Subclasses:

Subquery

public abstract class AbstractQuerySupport<T extends PortalEntity>
extends java.lang.Object
implements AbstractQuery<T>

Abstract base class that can be extended to simplify the implementation of a query.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractQuerySupport(java.lang.Class<T> returnType, java.lang.Class<? extends T>[] from)

Method Summary

Modifier and Type	Method and Description
protected java.lang.Class<? extends T>[]	getFrom() Gets the list of types for the from clause
java.lang.Class<T>	getReturnType() Gets the return type of the query
protected Expression	getWhere() Gets the expression for the where clause
protected void	setFrom(java.lang.Class<? extends T>[] types) Sets the list of types for the from clause
protected void	setWhere(Expression restriction) Sets the where clause
Expression	toExpression() Converts the query into an expression
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractQuerySupport

protected AbstractQuerySupport(java.lang.Class<T> returnType,
                               java.lang.Class<? extends T>[] from)

Parameters:

returnType - the return type

from - the from clause

Method Detail

getReturnType

public java.lang.Class<T> getReturnType()

Description copied from interface: AbstractQuery

Gets the return type of the query

Specified by:

getReturnType in interface AbstractQuery<T extends PortalEntity>

Returns:

the return type

toExpression

public Expression toExpression()

Description copied from interface: AbstractQuery

Converts the query into an expression

Specified by:

toExpression in interface AbstractQuery<T extends PortalEntity>

Returns:

the expression

getFrom

protected java.lang.Class<? extends T>[] getFrom()

Gets the list of types for the from clause

Returns:

the list of types

setFrom

protected void setFrom(java.lang.Class<? extends T>[] types)

Sets the list of types for the from clause

Parameters:

types - the list of types

getWhere

protected Expression getWhere()

Gets the expression for the where clause

Returns:

the expression for the where clause

setWhere

protected void setWhere(Expression restriction)

Sets the where clause

Parameters:

restriction - the expression to restrict the query

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object