| package org.apache.felix.dm.lambda.callbacks; |
| |
| import java.util.Objects; |
| |
| import org.apache.felix.dm.Component; |
| |
| /** |
| * Represents a swap callback(Service, Service, Component) on an Object instance. |
| * |
| * <p> The type of the service passed in argument to the callback is defined by the "S" generic parameter. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| @FunctionalInterface |
| public interface InstanceCbServiceServiceComponent<S> extends SerializableLambda { |
| /** |
| * Handles the given arguments. |
| * @param c the component |
| * @param old the old service |
| * @param replace the new service |
| */ |
| void accept(S old, S replace, Component c); |
| |
| default InstanceCbServiceServiceComponent<S> andThen(InstanceCbServiceServiceComponent<S> after) { |
| Objects.requireNonNull(after); |
| return (S old, S replace, Component c) -> { |
| accept(old, replace, c); |
| after.accept(old, replace, c); |
| }; |
| } |
| } |