Data Types & Predefined Operations

Data Types

The dvare framework has all common data types. Following is the table giving details about all the data types available in the dvare framework.

Sr.No	Name	Description	Literal Syntax
1	StringType	A sequence of Chars.	'dvare framework'
2	IntegerType	32 bit signed value.	10
3	FloatType	32 bit IEEE 754 single-precision float.	10.10
4	BooleanType	Either the literal "true" or the literal "false".	true or false
5	RegexType	Java Regular Expressions for String comparison.	{regex}
6	DateType	Java Time LocalDate.(dd-MM-yyyy) or (yyyy-MM-dd)	30-12-2011 or 2011-12-30
7	DateTimeType	Java Time LocalDateTime. (dd-MM-yyyy-HH:mm:ss)	30-12-2011-13:55:40
8	PairType	org.apache.commons.lang3.tuple.Pair	toPair(KeyLiteral,ValueLiteral)
9	NullType	Empty Value.	null or NULL
10	StringListType	Java List of String values.	['dvare' , 'framework']
11	IntegerListType	Java List of Integer values.	[10, 20]
12	FloatListType	Java List of Float values.	[10.10 , 20.00]
13	BooleanListType	Java List of Boolean values.	[true , false]

Predefined Operations

The dare framework defines a number of operations on the data types. Following is the table giving details of the predefined operations on the data types.

Sr.No	Name	Predefined Operations	Note
1	StringType	length(), toInteger(), toDate(), append(X), append(X),prepend(X), contains(X), startsWith(X), endsWith(X), substring(Q, P)	X = String Literal, Q = Integer Literal [start from 1] , P = Integer Literal
2	IntegerType	toString()
3	FloatType	toString(), toInteger()
4	BooleanType	toString()
6	DateType	toString(), getYears(), addDays(P), addMonths(P), addYears(P), setDay(P), setMonth(P), setYear(P)	P = Integer Literal
6	DateTimeType	toString()
7	PairType	getKey(), getValue()