public class ParameterExpression extends Object implements Expression
Expressions.parameter(String, Object, Type)
,
Query.setParameter(String, Object, Type)
Modifier and Type | Field and Description |
---|---|
private Object |
defaultValue |
private String |
name |
private Type |
valueType |
Constructor and Description |
---|
ParameterExpression(String name,
Object defaultValue,
Type valueType) |
Modifier and Type | Method and Description |
---|---|
boolean |
equals(Object other)
This expression is equal to another ParameterExpression if their
names expressions are equal.
|
Collection<? extends QueryElement> |
getChildren()
Get the children of this query element or null if it has no children.
|
Object |
getDefaultValue()
Get the default value of the parameter.
|
String |
getName()
Get the name of the parameter.
|
Type |
getValueType()
Get the type of value.
|
int |
hashCode() |
String |
toQl(Query query,
DbControl dc)
Create a query language string of the query element.
|
String |
toString() |
private final String name
private final Object defaultValue
private final Type valueType
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)
public String getName()
public Object getDefaultValue()
public Type getValueType()