|
|||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--org.objectweb.medor.filter.lib.BasicUnaryOperator | +--org.objectweb.medor.filter.lib.BasicAggregateOperator | +--org.objectweb.medor.filter.lib.Max
Max aggregate function.
Max applies to :
Field Summary |
Fields inherited from class org.objectweb.medor.filter.lib.BasicAggregateOperator |
distinct |
Fields inherited from class org.objectweb.medor.filter.lib.BasicUnaryOperator |
result, subResult, type |
Fields inherited from interface org.objectweb.medor.filter.api.Operator |
ABS, AND, AVG, BITWIZE, CONCAT, CONDAND, CONDOR, COUNT, DIV, EQUAL, FIRSTLOCATE, GREATER, GREATEREQUAL, IN, INDEXEDLOCATE, LENGTH, LOWER, LOWEREQUAL, MAX, MEMBEROF, MIN, MINUS, MOD, MULT, NAV, NOT, NOTEQUAL, NOTMEMBEROF, OR, PLUS, SQRT, SUBSTRING, SUM, UMINUS |
Constructor Summary | |
Max(Expression e)
|
|
Max(Expression e,
boolean distinct)
|
Method Summary | |
void |
compileExpression()
Checks the semantic integrity of an expression. |
void |
evaluate(ParameterOperand[] pos,
Tuple t)
It evaluates the expression tree and puts the result into the operand result. |
java.lang.String |
getOperatorString()
Returns the String representing the operator in Java |
Methods inherited from class org.objectweb.medor.filter.lib.BasicAggregateOperator |
getDistinct, setDistinct |
Methods inherited from class org.objectweb.medor.filter.lib.BasicUnaryOperator |
clone, getExpression, getExpression, getOperandNumber, getResult, getType, isCompiled, setExpression, setExpression |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.objectweb.medor.filter.api.UnaryOperator |
getExpression, setExpression |
Methods inherited from interface org.objectweb.medor.filter.api.Operator |
getExpression, getOperandNumber, setExpression |
Methods inherited from interface org.objectweb.medor.filter.api.Expression |
getResult, getType, isCompiled |
Methods inherited from interface org.objectweb.medor.api.Cloneable |
clone |
Constructor Detail |
public Max(Expression e)
public Max(Expression e, boolean distinct)
Method Detail |
public java.lang.String getOperatorString()
Operator
public void compileExpression() throws TypingException, MalformedExpressionException
Expression
MalformedExpressionException
- if syntax error
TypingException
- when incompatible types error
occures.public void evaluate(ParameterOperand[] pos, Tuple t) throws MedorException
Expression
evaluate
in interface Expression
evaluate
in class BasicUnaryOperator
pos
- a list of ParameterOperandt
- Tuple
MedorException
- if evaluation error
|
|||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |