| 1 | package org.jtoolkit.essence.concurrency.impl; |
| 2 | |
| 3 | import org.jtoolkit.essence.concurrency.CallbackEx; |
| 4 | import org.jtoolkit.essence.concurrency.Callback; |
| 5 | import org.jetbrains.annotations.NotNull; |
| 6 | import org.apache.commons.logging.Log; |
| 7 | import org.apache.commons.logging.LogFactory; |
| 8 | |
| 9 | public class CallbackWrapper<T> implements CallbackEx<T> { |
| 10 | private static final Log LOG = LogFactory.getLog(CallbackWrapper.class); |
| 11 | |
| 12 | private final Callback<T> callback; |
| 13 | |
| 14 | public CallbackWrapper(@NotNull Callback<T> callback) { |
| 15 | this.callback = callback; |
| 16 | } |
| 17 | |
| 18 | @NotNull public Callback<T> getCallback() { |
| 19 | return callback; |
| 20 | } |
| 21 | |
| 22 | public void onException(@NotNull Throwable t) throws IllegalStateException { |
| 23 | if (callback instanceof CallbackEx) |
| 24 | ((CallbackEx)callback).onException(t); |
| 25 | LOG.warn("Unhandle Exception in onException", t); |
| 26 | } |
| 27 | |
| 28 | public void onCallback(@NotNull T value) throws Exception { |
| 29 | callback.onCallback(value); |
| 30 | } |
| 31 | |
| 32 | public int hashCode() { |
| 33 | return ~callback.hashCode(); |
| 34 | } |
| 35 | |
| 36 | public boolean equals(Object obj) { |
| 37 | if (this == obj) return true; |
| 38 | if (obj == null) return false; |
| 39 | if (obj.getClass() != getClass()) return false; |
| 40 | CallbackWrapper cw = (CallbackWrapper) obj; |
| 41 | return callback.equals(cw.callback); |
| 42 | } |
| 43 | |
| 44 | public String toString() { |
| 45 | return getClass() + " "+callback; |
| 46 | } |
| 47 | } |