OperationMode enum

Determines the retry behavior an invocation in case of a (potentially) recoverable error.

Inheritance

Constructors

OperationMode()
const

Values

normal → const OperationMode

Ordinary operations have Normal mode. These operations modify object state; invoking such an operation twice in a row has different semantics than invoking it once. The Ice run time guarantees that it will not violate at-most-once semantics for Normal operations.

nonmutating → const OperationMode

Operations that use the Slice nonmutating keyword must not modify object state. For C++, nonmutating operations generate const member functions in the skeleton. In addition, the Ice run time will attempt to transparently recover from certain run-time errors by re-issuing a failed request and propagate the failure to the application only if the second attempt fails.

Nonmutating is deprecated; Use the idempotent keyword instead. For C++, to retain the mapping of nonmutating operations to C++ const member functions, use the \["cpp:const"] metadata directive.

idempotent → const OperationMode

Operations that use the Slice idempotent keyword can modify object state, but invoking an operation twice in a row must result in the same object state as invoking it once. For example, x = 1 is an idempotent statement, whereas x += 1 is not. For idempotent operations, the Ice run-time uses the same retry behavior as for nonmutating operations in case of a potentially recoverable error.

Properties

hashCode → int
The hash code for this object.
no setterinherited
index → int
A numeric identifier for the enumerated value.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Constants

values → const List<OperationMode>
A constant List of the values in this enum, in order of their declaration.