Package adql.query.operand
Class Concatenation
- java.lang.Object
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- adql.query.ADQLList<ADQLOperand>
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- adql.query.operand.Concatenation
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- All Implemented Interfaces:
ADQLObject
,ADQLOperand
,java.lang.Iterable<ADQLOperand>
public final class Concatenation extends ADQLList<ADQLOperand> implements ADQLOperand
Represents a concatenation in ADQL (ex: "_s_ra" || ':' || "_s_dec").- Version:
- 1.4 (09/2017)
- Author:
- Grégory Mantelet (CDS;ARI)
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Nested Class Summary
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Nested classes/interfaces inherited from class adql.query.ADQLList
ADQLList.ADQLListIterator
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Constructor Summary
Constructors Constructor Description Concatenation()
Builds an empty concatenation.Concatenation(Concatenation toCopy)
Builds a copy of the givenConcatenation
.
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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[]
getPossibleSeparators()
Gets the list of all possible separators for thisADQLList
.java.lang.String
getSeparator(int index)
Gets the separator between the list items index-1 and index.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.java.lang.String
toADQL()
Gets the ADQL expression of this object.-
Methods inherited from class adql.query.ADQLList
add, add, adqlIterator, clear, get, getName, getPosition, isEmpty, iterator, remove, set, setPosition, size
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface adql.query.ADQLObject
adqlIterator, getName, getPosition
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Constructor Detail
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Concatenation
public Concatenation()
Builds an empty concatenation. To add operands, use the "add" functions.
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Concatenation
public Concatenation(Concatenation toCopy) throws java.lang.Exception
Builds a copy of the givenConcatenation
.- Parameters:
toCopy
- TheConcatenation
to copy.- Throws:
java.lang.Exception
- If there is an error during the copy.
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Method Detail
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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.- Specified by:
getCopy
in interfaceADQLObject
- Specified by:
getCopy
in classADQLList<ADQLOperand>
- Returns:
- The copy of this ADQL object.
- Throws:
java.lang.Exception
- If there is any error during the copy.
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getPossibleSeparators
public java.lang.String[] getPossibleSeparators()
Description copied from class:ADQLList
Gets the list of all possible separators for thisADQLList
.- Specified by:
getPossibleSeparators
in classADQLList<ADQLOperand>
- Returns:
- Possible separators.
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getSeparator
public java.lang.String getSeparator(int index) throws java.lang.ArrayIndexOutOfBoundsException
Description copied from class:ADQLList
Gets the separator between the list items index-1 and index.- Specified by:
getSeparator
in classADQLList<ADQLOperand>
- Parameters:
index
- Index of the right list item.- Returns:
- The corresponding separator.
- Throws:
java.lang.ArrayIndexOutOfBoundsException
- If the index is less or equal than 0, or is greater or equal thansize()
.
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isNumeric
public final boolean isNumeric()
Description copied from interface:ADQLOperand
Tell whether this operand is numeric or not.- Specified by:
isNumeric
in interfaceADQLOperand
- 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.- Specified by:
isString
in interfaceADQLOperand
- 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.- Specified by:
isGeometry
in interfaceADQLOperand
- Returns:
- true if this operand is a geometry, false otherwise.
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toADQL
public java.lang.String toADQL()
Description copied from interface:ADQLObject
Gets the ADQL expression of this object.- Specified by:
toADQL
in interfaceADQLObject
- Overrides:
toADQL
in classADQLList<ADQLOperand>
- Returns:
- The corresponding ADQL expression.
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