Package adql.query.operand.function
Class MathFunction
- java.lang.Object
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- adql.query.operand.function.ADQLFunction
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- adql.query.operand.function.MathFunction
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- All Implemented Interfaces:
ADQLObject
,ADQLOperand
public class MathFunction extends ADQLFunction
It represents any basic mathematical function.- Version:
- 1.4 (06/2015)
- Author:
- Grégory Mantelet (CDS;ARI)
- See Also:
MathFunctionType
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Nested Class Summary
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Nested classes/interfaces inherited from class adql.query.operand.function.ADQLFunction
ADQLFunction.ParameterIterator
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Constructor Summary
Constructors Constructor Description MathFunction(MathFunction toCopy)
Builds a mathematical function by copying the given one.MathFunction(MathFunctionType t)
Creates a mathematical function without parameter.MathFunction(MathFunctionType t, ADQLOperand parameter)
Creates a mathematical function with only one parameter.MathFunction(MathFunctionType t, ADQLOperand parameter1, ADQLOperand parameter2)
Creates a mathematical function with two parameters.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ADQLObject
getCopy()
Gets a (deep) copy of this ADQL object.java.lang.String
getName()
Gets the name of this object in ADQL.int
getNbParameters()
Gets the number of parameters this function has.ADQLOperand
getParameter(int index)
Gets the index-th parameter.ADQLOperand[]
getParameters()
Gets the list of all parameters of this function.MathFunctionType
getType()
Gets the type of the function (ABS, COS, SIN, ...).boolean
isGeometry()
Tell whether this operand is a geometrical region or not.boolean
isNumeric()
Tell whether this operand is numeric or not.boolean
isString()
Tell whether this operand is a string or not.ADQLOperand
setParameter(int index, ADQLOperand replacer)
Replaces the index-th parameter by the given one.-
Methods inherited from class adql.query.operand.function.ADQLFunction
adqlIterator, getPosition, paramIterator, setPosition, toADQL
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Constructor Detail
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MathFunction
public MathFunction(MathFunctionType t) throws java.lang.Exception
Creates a mathematical function without parameter.- Parameters:
t
- The type of the function.- Throws:
java.lang.Exception
- If the given function parameters are incorrect.- See Also:
MathFunction(MathFunctionType, ADQLOperand, ADQLOperand)
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MathFunction
public MathFunction(MathFunctionType t, ADQLOperand parameter) throws java.lang.Exception
Creates a mathematical function with only one parameter.- Parameters:
t
- The type of the function.parameter
- Its only parameter.- Throws:
java.lang.Exception
- If the given function parameters are incorrect.- See Also:
MathFunction(MathFunctionType, ADQLOperand, ADQLOperand)
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MathFunction
public MathFunction(MathFunctionType t, ADQLOperand parameter1, ADQLOperand parameter2) throws java.lang.Exception
Creates a mathematical function with two parameters.- Parameters:
t
- The type of the function.parameter1
- Its first parameter.parameter2
- Its second parameter.- Throws:
java.lang.Exception
- If the given function parameters are incorrect.
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MathFunction
public MathFunction(MathFunction toCopy) throws java.lang.Exception
Builds a mathematical function by copying the given one.- Parameters:
toCopy
- The mathematical function to copy.- Throws:
java.lang.Exception
- If there is an error during the copy.
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Method Detail
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getType
public final MathFunctionType getType()
Gets the type of the function (ABS, COS, SIN, ...).- Returns:
- Its type.
- See Also:
MathFunctionType
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getCopy
public ADQLObject getCopy() throws java.lang.Exception
Description copied from interface:ADQLObject
Gets a (deep) copy of this ADQL object.- Returns:
- The copy of this ADQL object.
- Throws:
java.lang.Exception
- If there is any error during the copy.
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getName
public java.lang.String getName()
Description copied from interface:ADQLObject
Gets the name of this object in ADQL.- Returns:
- The name of this ADQL object.
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isNumeric
public final boolean isNumeric()
Description copied from interface:ADQLOperand
Tell whether this operand is numeric or not.- Returns:
- true if this operand is numeric, false otherwise.
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isString
public final boolean isString()
Description copied from interface:ADQLOperand
Tell whether this operand is a string or not.- Returns:
- true if this operand is a string, false otherwise.
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isGeometry
public final boolean isGeometry()
Description copied from interface:ADQLOperand
Tell whether this operand is a geometrical region or not.- Returns:
- true if this operand is a geometry, false otherwise.
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getParameters
public ADQLOperand[] getParameters()
Description copied from class:ADQLFunction
Gets the list of all parameters of this function.- Specified by:
getParameters
in classADQLFunction
- Returns:
- Its parameters list.
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getNbParameters
public int getNbParameters()
Description copied from class:ADQLFunction
Gets the number of parameters this function has.- Specified by:
getNbParameters
in classADQLFunction
- Returns:
- Number of parameters.
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getParameter
public ADQLOperand getParameter(int index) throws java.lang.ArrayIndexOutOfBoundsException
Description copied from class:ADQLFunction
Gets the index-th parameter.- Specified by:
getParameter
in classADQLFunction
- Parameters:
index
- Parameter number.- Returns:
- The corresponding parameter.
- Throws:
java.lang.ArrayIndexOutOfBoundsException
- If the index is incorrect (index < 0 || index >= getNbParameters()).
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setParameter
public ADQLOperand setParameter(int index, ADQLOperand replacer) throws java.lang.ArrayIndexOutOfBoundsException, java.lang.NullPointerException, java.lang.Exception
Description copied from class:ADQLFunction
Replaces the index-th parameter by the given one.- Specified by:
setParameter
in classADQLFunction
- Parameters:
index
- Index of the parameter to replace.replacer
- The replacer.- Returns:
- The replaced parameter.
- Throws:
java.lang.ArrayIndexOutOfBoundsException
- If the index is incorrect (index < 0 || index >= getNbParameters()).java.lang.NullPointerException
- If a required parameter must be replaced by a NULL object.java.lang.Exception
- If another error occurs.
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