Package net.sf.basedb.core.query

Class HqlEntityParameterExpression

java.lang.Object
net.sf.basedb.core.query.HqlEntityParameterExpression
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) $

  • Field Details

    • name

      private final String name

    • itemType

      private final Item itemType

  • Constructor Details

    • HqlEntityParameterExpression

      public HqlEntityParameterExpression​(String name, Item itemType)

  • Method Details

    • 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 the Query.getQueryType() method to find out which query language is wanted in case the element requires different syntax for different languages.
      Specified by:
      toQl in interface QueryElement
      Parameters:
      query - The query that is about to be executed
      dc - The DbControl object used to execute the query
      Throws:
      BaseException - If there is any other error

    • 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 the AddExpression has two children, the expression beeing added.
      Specified by:
      getChildren in interface QueryElement
      Returns:
      Always null

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • equals

      public boolean equals​(Object other)
      This expression is equal to another HqlEntityParameterExpression if their names are equal.
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • getName

      public String getName()
      Get the name of the parameter.

    • getItemType

      public Item getItemType()
      Get the type of entites that are accepted by the parameter.