public class CaseExpression extends Object implements Expression
CASE WHEN r1 THEN e1 WHEN r2 THEN e2 ... ELSE elseExpression END
Expressions.caseWhen(Expression, WhenStatement[])
Modifier and Type | Field and Description |
---|---|
private Expression |
elseExpression |
private int |
hashCode |
private WhenStatement[] |
whenStatements |
Constructor and Description |
---|
CaseExpression(Expression elseExpression,
WhenStatement... whenStatements) |
Modifier and Type | Method and Description |
---|---|
boolean |
equals(Object other)
This expression is equal to another CaseExpression if both
contains the same when statements (disregarding order) and
else expression.
|
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() |
private final Expression elseExpression
private final WhenStatement[] whenStatements
private int hashCode
CaseExpression(Expression elseExpression, WhenStatement... whenStatements)
public String toQl(Query query, DbControl dc) throws BaseException
QueryElement
Query.getQueryType()
method to find out which query language is wanted
in case the element requires different syntax for different languages.toQl
in interface QueryElement
query
- The query that is about to be executeddc
- The DbControl
object used to execute the queryBaseException
- If there is any other errorpublic Collection<? extends QueryElement> getChildren()
QueryElement
AddExpression
has two children, the expression
beeing added.getChildren
in interface QueryElement
public boolean equals(Object other)