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Interface Alternatives<T extends GoloElement<?>>

All Known Implementing Classes:

CaseStatement, MatchExpression

public interface Alternatives<T extends GoloElement<?>>

Alternative nodes, such as `match` or `case`.

This interface is mainly a fluent builder for a WhenClause container.

Method Summary

Modifier and Type	Method and Description
java.util.List<WhenClause<T>>	getClauses()
T	getOtherwise()
Alternatives<T>	otherwise(java.lang.Object action) Defines the default alternative clause.
Alternatives<T>	then(java.lang.Object action) Defines the action of the previous clause.
Alternatives<T>	when(java.lang.Object cond) Defines a new alternative clause.

Method Detail

when

Alternatives<T> when(java.lang.Object cond)

Defines a new alternative clause.

This is a builder method.

Parameters:

cond - an expression node defining the clause.

then

Alternatives<T> then(java.lang.Object action)

Defines the action of the previous clause.

This is a builder method.

It must be called after a call to when. For instance

  alternative.when(condition).then(action);
 

Parameters:

action - the action to execute in this clause. Its type depends on the kind of alternative (i.e. the WhenClause constructed)

otherwise

Alternatives<T> otherwise(java.lang.Object action)

Defines the default alternative clause.

This is a builder method.

Parameters:

action - the action to execute in this clause. Its type depends on the kind of alternative (i.e. the WhenClause constructed)

getClauses

java.util.List<WhenClause<T>> getClauses()

getOtherwise

T getOtherwise()