| package org.apache.logging.log4j.message; |
| |
| /** |
| * An operation that accepts two input arguments and returns no result. |
| * |
| * <p> |
| * The third parameter lets callers pass in a stateful object to be modified with the key-value pairs, |
| * so the ParameterConsumer implementation itself can be stateless and potentially reusable. |
| * </p> |
| * |
| * @param <S> state data |
| * @see ReusableMessage |
| * @since 2.11 |
| */ |
| public interface ParameterConsumer<S> { |
| |
| /** |
| * Performs an operation given the specified arguments. |
| * |
| * @param parameter the parameter |
| * @param parameterIndex Index of the parameter |
| * @param state The state data. |
| */ |
| void accept(Object parameter, int parameterIndex, S state); |
| |
| } |