Optional (SonarSource :: Cobol :: Javadoc 5.0.0.5433 API)

java.lang.Object
- com.sonar.sslr.api.typed.Optional<T>

public abstract class Optional<T>
extends Object

Loosely modeled after Optional.

Since:: 1.21

Constructor Summary

Constructors
Constructor Description

Optional()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> Optional<T>`	`absent()`
`abstract T`	`get()`
`abstract boolean`	`isPresent()`
`static <T> Optional<T>`	`of(T reference)`
`abstract T`	`or(T defaultValue)`
`abstract T`	`orNull()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Optional
```
public Optional()
```

Method Detail

absent

public static <T> Optional<T> absent()

of

public static <T> Optional<T> of(T reference)

isPresent
```
public abstract boolean isPresent()
```

get
```
public abstract T get()
```

or

public abstract T or(T defaultValue)

orNull

@CheckForNull
public abstract T orNull()