IOpenable class

Interface for components that require explicit opening and closing.

For components that perform opening on demand consider using ICloseable interface instead.

See IOpenable See Opener

Example

class MyPersistence implements IOpenable {
    dynamic _client;
    ...
    bool isOpen() {
        return _client != null;
    }

    Future open(String correlationId) {
        if (isOpen()) {
            return Future(Duration(), (){

             })
        }
        ...
    }

    Future close(String correlationId) async {
        if (_client != null) {
            result = await _client.close();
            _client = null;
           Future(Duration(), (){ return result})
        }
    }

    ...
}
Implemented types

Constructors

IOpenable()

Properties

hashCode → int
The hash code for this object. [...]
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

isOpen() → bool
Checks if the component is opened. [...]
open(String correlationId) → Future
Opens the component. [...]
close(String correlationId) → Future
Closes component and frees used resources. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() → String
Returns a string representation of this object.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator. [...]
inherited