Package net.sf.basedb.core.query
Class EqRestriction
java.lang.Object
net.sf.basedb.core.query.EqRestriction
- All Implemented Interfaces:
QueryElement
,Restriction
Compare if two expressions are equal: e1 == e2, or
e1 IS NULL
- Version:
- 2.0
- Author:
- Samuel, Nicklas
- See Also:
- Last modified
- $Date: 2012-09-14 09:28:35 +0200 (fr, 14 sep 2012) $
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Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionboolean
This restriction is equal to another EqRestriction if their child restrictions are equal (ignoring the order).Collection<? extends QueryElement>
Get the children of this query element or null if it has no children.int
hashCode()
Create a query language string of the query element.toString()
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Field Details
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e1
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e2
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Constructor Details
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EqRestriction
EqRestriction(Expression e1, Expression e2)
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Method Details
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toQl
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
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:
- The expressions to test
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toString
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equals
This restriction is equal to another EqRestriction if their child restrictions are equal (ignoring the order). -
hashCode
public int hashCode()
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