Package net.sf.basedb.core.query
Class AddExpression
- java.lang.Object
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- net.sf.basedb.core.query.AddExpression
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- All Implemented Interfaces:
Expression
,QueryElement
public class AddExpression extends Object implements Expression
Add two expressions: e1 + e2.- Version:
- 2.0
- Author:
- Nicklas
- See Also:
Expressions.add(Expression, Expression)
- Last modified
- $Date: 2012-09-14 09:28:35 +0200 (fr, 14 sep 2012) $
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Field Summary
Fields Modifier and Type Field Description private Expression
e1
private Expression
e2
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Constructor Summary
Constructors Constructor Description AddExpression(Expression e1, Expression e2)
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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 AddExpression if their child expressions are equal (ignoring the order).Collection<? extends QueryElement>
getChildren()
Get the children of this query element or null if it has no children.int
hashCode()
String
toQl(Query query, DbControl dc)
Create a query language string of the query element.String
toString()
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Field Detail
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e1
private final Expression e1
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e2
private final Expression e2
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Constructor Detail
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AddExpression
AddExpression(Expression e1, Expression e2)
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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:
- The expressions to add
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equals
public boolean equals(Object other)
This expression is equal to another AddExpression if their child expressions are equal (ignoring the order).
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