Package net.sf.basedb.core.query
Class HqlEntityParameterExpression
- java.lang.Object
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- net.sf.basedb.core.query.HqlEntityParameterExpression
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- All Implemented Interfaces:
Expression
,QueryElement
public class HqlEntityParameterExpression extends Object implements Expression
Entity parameter expression. Accepts BasicItem or BasicData objects as parameter values.- Version:
- 2.17
- Author:
- Nicklas
- See Also:
Hql.entityParameter(String, net.sf.basedb.core.Item)
,HqlQuery.setEntityParameter(String, net.sf.basedb.core.BasicItem)
- Last modified
- $Date: 2012-09-14 09:28:35 +0200 (fr, 14 sep 2012) $
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Constructor Summary
Constructors Constructor Description HqlEntityParameterExpression(String name, Item itemType)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object other)
This expression is equal to another HqlEntityParameterExpression if their names are equal.Collection<? extends QueryElement>
getChildren()
Get the children of this query element or null if it has no children.Item
getItemType()
Get the type of entites that are accepted by the parameter.String
getName()
Get the name of the parameter.int
hashCode()
String
toQl(Query query, DbControl dc)
Create a query language string of the query element.String
toString()
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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:
- Always null
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equals
public boolean equals(Object other)
This expression is equal to another HqlEntityParameterExpression if their names are equal.
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getName
public String getName()
Get the name of the parameter.
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getItemType
public Item getItemType()
Get the type of entites that are accepted by the parameter.
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