public class SubqueryExpression extends java.lang.Object implements Expression
Expressions.any(Query)
,
Expressions.all(Query)
Modifier and Type | Field and Description |
---|---|
private java.lang.String |
operator |
private Query |
subquery |
Constructor and Description |
---|
SubqueryExpression(java.lang.String operator,
Query subquery) |
Modifier and Type | Method and Description |
---|---|
boolean |
equals(java.lang.Object other)
This expression is equal to another SubqueryExpression if they
use the same operator and reference the same subquery instance.
|
java.util.Collection<? extends QueryElement> |
getChildren()
Get the children of this query element or null if it has no children.
|
int |
hashCode() |
java.lang.String |
toQl(Query query,
DbControl dc)
Create a query language string of the query element.
|
java.lang.String |
toString() |
private final java.lang.String operator
private final Query subquery
SubqueryExpression(java.lang.String operator, Query subquery)
public java.lang.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 java.util.Collection<? extends QueryElement> getChildren()
QueryElement
AddExpression
has two children, the expression
beeing added.getChildren
in interface QueryElement
public java.lang.String toString()
toString
in class java.lang.Object
public boolean equals(java.lang.Object other)
equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object