Package adql.query.operand
Class StringConstant
java.lang.Object
adql.query.operand.StringConstant
- All Implemented Interfaces:
ADQLObject
,ADQLOperand
A string constant.
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Field Summary
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionGets an iterator on the intern ADQL objects.getCopy()
Gets a (deep) copy of this ADQL object.final LanguageFeature
Get the description of this ADQL's Language Feature.getName()
Gets the name of this object in ADQL.final TextPosition
Gets the position of this object/token in the ADQL query.final String
getValue()
final boolean
Tell whether this operand is a geometrical region or not.final boolean
Tell whether this operand is numeric or not.final boolean
isString()
Tell whether this operand is a string or not.final void
setPosition
(TextPosition position) Sets the position at which thisStringConstant
has been found in the original ADQL query string.final void
toADQL()
Gets the ADQL expression of this object.
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Field Details
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FEATURE
Description of this ADQL Feature.- Since:
- 2.0
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Constructor Details
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StringConstant
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StringConstant
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Method Details
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getFeatureDescription
Description copied from interface:ADQLObject
Get the description of this ADQL's Language Feature.Note: Getting this description is generally only useful when discovery optional features so that determining if they are allowed to be used in ADQL queries.
- Specified by:
getFeatureDescription
in interfaceADQLObject
- Returns:
- Description of this ADQL object as an ADQL's feature.
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getValue
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setValue
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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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getPosition
Description copied from interface:ADQLObject
Gets the position of this object/token in the ADQL query.By default, no position should be set.
- Specified by:
getPosition
in interfaceADQLObject
- Returns:
- Position of this ADQL item in the ADQL query, or NULL if not written originally in the query (for example, if added afterwards).
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setPosition
Sets the position at which thisStringConstant
has been found in the original ADQL query string.- Parameters:
position
- Position of thisStringConstant
.- Since:
- 1.4
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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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getCopy
Description copied from interface:ADQLObject
Gets a (deep) copy of this ADQL object.- Specified by:
getCopy
in interfaceADQLObject
- Returns:
- The copy of this ADQL object.
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getName
Description copied from interface:ADQLObject
Gets the name of this object in ADQL.- Specified by:
getName
in interfaceADQLObject
- Returns:
- The name of this ADQL object.
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adqlIterator
Description copied from interface:ADQLObject
Gets an iterator on the intern ADQL objects.Note: The returned iterator is particularly used by a
ISearchHandler
extension to browse a whole ADQL tree.- Specified by:
adqlIterator
in interfaceADQLObject
- Returns:
- An ADQL objects iterator.
- See Also:
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toADQL
Description copied from interface:ADQLObject
Gets the ADQL expression of this object.- Specified by:
toADQL
in interfaceADQLObject
- Returns:
- The corresponding ADQL expression.
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