Class CompositeExpression

java.lang.Object

com.github.zafarkhaja.semver.expr.CompositeExpression

All Implemented Interfaces:

Expression

public class CompositeExpression
extends Object
implements Expression

This class implements internal DSL for the SemVer Expressions using fluent interface.

Since:

0.9.0

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CompositeExpression.Helper	A class with static helper methods.

Field Summary

Fields

Modifier and Type	Field	Description
private Expression	exprTree	The underlying expression tree.

Constructor Summary

Constructors

Constructor	Description
CompositeExpression(Expression expr)	Constructs a CompositeExpression with an underlying Expression.

Method Summary

Modifier and Type	Method	Description
CompositeExpression	and(Expression expr)	Adds another Expression to CompositeExpression using And logical expression.
boolean	interpret(Version version)	Interprets the expression.
boolean	interpret(String version)	Interprets the expression.
CompositeExpression	or(Expression expr)	Adds another Expression to CompositeExpression using Or logical expression.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

exprTree

private Expression exprTree

The underlying expression tree.

Constructor Details

CompositeExpression

public CompositeExpression(Expression expr)

Constructs a CompositeExpression with an underlying Expression.

Parameters:

expr - the underlying expression

Method Details

and

public CompositeExpression and(Expression expr)

Adds another Expression to CompositeExpression using And logical expression.

Parameters:

expr - an expression to add

Returns:

this CompositeExpression

or

public CompositeExpression or(Expression expr)

Adds another Expression to CompositeExpression using Or logical expression.

Parameters:

expr - an expression to add

Returns:

this CompositeExpression

interpret

public boolean interpret(String version)

Interprets the expression.

Parameters:

version - a Version string to interpret against

Returns:

the result of the expression interpretation

Throws:

IllegalArgumentException - if the input string is NULL or empty

ParseException - when invalid version string is provided

UnexpectedCharacterException - is a special case of ParseException

interpret

public boolean interpret(Version version)

Interprets the expression.

Specified by:

interpret in interface Expression

Parameters:

version - the version to interpret against

Returns:

the result of the expression interpretation