Package net.sf.basedb.core.query
Class ConditionalQueryElement
- java.lang.Object
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- net.sf.basedb.core.query.ConditionalQueryElement
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- All Implemented Interfaces:
Expression
,QueryElement
,Restriction
public class ConditionalQueryElement extends Object implements Restriction, Expression
- Since:
- 3.7
- Author:
- Nicklas
- See Also:
Restrictions.conditionalRestriction(Filter, Restriction, Restriction, boolean)
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Field Summary
Fields Modifier and Type Field Description private Filter<Query>
filter
private QueryElement
ifFalse
private QueryElement
ifTrue
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Constructor Summary
Constructors Constructor Description ConditionalQueryElement(Filter<Query> filter, QueryElement ifTrue, QueryElement ifFalse)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object other)
This query element is equal to another ConditionalQueryElement if their filter and child elements are equal.Collection<? extends QueryElement>
getChildren()
Get the children of this query element or null if it has no children.int
hashCode()
String
toQl(Query query, DbControl dc)
Create a query language string of the query element.String
toString()
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Field Detail
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ifTrue
private final QueryElement ifTrue
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ifFalse
private final QueryElement ifFalse
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Constructor Detail
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ConditionalQueryElement
ConditionalQueryElement(Filter<Query> filter, QueryElement ifTrue, QueryElement ifFalse)
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Method Detail
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toQl
public String toQl(Query query, DbControl dc) throws BaseException
Description copied from interface:QueryElement
Create a query language string of the query element. Use theQuery.getQueryType()
method to find out which query language is wanted in case the element requires different syntax for different languages.- Specified by:
toQl
in interfaceQueryElement
- Parameters:
query
- The query that is about to be executeddc
- TheDbControl
object used to execute the query- Throws:
BaseException
- If there is any other error
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getChildren
public Collection<? extends QueryElement> getChildren()
Description copied from interface:QueryElement
Get the children of this query element or null if it has no children. For example theAddExpression
has two children, the expression beeing added.- Specified by:
getChildren
in interfaceQueryElement
- Returns:
- The expression
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equals
public boolean equals(Object other)
This query element is equal to another ConditionalQueryElement if their filter and child elements are equal.
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