Class DynamicRestriction

java.lang.Object
net.sf.basedb.core.DynamicRestriction
All Implemented Interfaces:
QueryElement, Restriction

class DynamicRestriction
extends Object
implements Restriction
Creates a restriction that compares a dynamic column with a constant value: tableAlias.column = value or queryRootAlias.column = value
Version:
2.0
Author:
Nicklas
Last modified
$Date: 2012-09-14 09:28:35 +0200 (fr, 14 sep 2012) $
  • Field Details

  • Constructor Details

    • DynamicRestriction

      DynamicRestriction​(VirtualColumn column, int value)
      Create a new restriction for column in the root entity of the query: queryRootAlias.column = value.
      Parameters:
      column - The column to use in the restriction
      value - The value to look for
    • DynamicRestriction

      DynamicRestriction​(VirtualTable table, VirtualColumn column, int value)
      Create a new restriction for column in a joined table: tableAlias.column = value. It is assumed that the table specified has been joined in the query.
      Parameters:
      table - The table the column is located in
      column - The column to use in the restriction
      value - The value to look for
      See Also:
      DynamicJoin
  • 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 restriction is equal to another DynamicRestriction if their table, column and values are equal.
      Overrides:
      equals in class Object
    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object