public class HqlExpression extends Object implements Expression, Restriction
Modifier and Type | Field and Description |
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private String |
expression
The restriction or expression as a string.
|
private String |
prefix
Prefix used to indentify where to put
the root alias.
|
Constructor and Description |
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HqlExpression(String expression,
String prefix) |
Modifier and Type | Method and Description |
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boolean |
equals(Object other)
This expression is equal to another HqlExpression if their
child expressions 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()
Returns the expression field.
|
private final String expression
private final String prefix
public Collection<? extends QueryElement> getChildren()
QueryElement
AddExpression
has two children, the expression
beeing added.getChildren
in interface QueryElement
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 boolean equals(Object other)