Package com.apama.event.parser
Class IntegerFieldType
- java.lang.Object
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- com.apama.event.parser.FieldType<java.lang.Long>
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- com.apama.event.parser.IntegerFieldType
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public class IntegerFieldType extends FieldType<java.lang.Long>
Represents the Apamainteger
type, for which values are specified asLong
objects.This class cannot be instantiated explicitly, but should be referenced using
FieldTypes.INTEGER
.
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Field Summary
Fields Modifier and Type Field Description static IntegerFieldType
TYPE
Singleton instance of this type.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
assertAssignable(java.lang.Object c, java.lang.String fieldName)
This method is intended for internal use only and may be removed at any time - do not use.java.lang.Long
defaultValue()
Get the default value for Integer field type.java.lang.Long
parse(java.lang.String value)
Convert a value of this type from the format used in Apama event strings, into a Long object.
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Field Detail
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TYPE
public static final IntegerFieldType TYPE
Singleton instance of this type.
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Method Detail
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assertAssignable
public void assertAssignable(java.lang.Object c, java.lang.String fieldName)
Description copied from class:FieldType
This method is intended for internal use only and may be removed at any time - do not use.- Specified by:
assertAssignable
in classFieldType<java.lang.Long>
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parse
public java.lang.Long parse(java.lang.String value) throws ParserRuntimeException
Convert a value of this type from the format used in Apama event strings, into a Long object.- Overrides:
parse
in classFieldType<java.lang.Long>
- Parameters:
value
- the value to parse.- Returns:
- an object specifying the value of the string that was parsed.
- Throws:
ParserRuntimeException
- If the specified value string cannot be parsed.
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defaultValue
public java.lang.Long defaultValue()
Get the default value for Integer field type.- Specified by:
defaultValue
in classFieldType<java.lang.Long>
- Returns:
- 0
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