/*
* Copyright 2008-present MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mongodb.internal.event;
import com.mongodb.diagnostics.logging.Logger;
import com.mongodb.diagnostics.logging.Loggers;
import com.mongodb.event.CommandFailedEvent;
import com.mongodb.event.CommandListener;
import com.mongodb.event.CommandStartedEvent;
import com.mongodb.event.CommandSucceededEvent;
import java.util.ArrayList;
import java.util.List;
import static com.mongodb.assertions.Assertions.isTrue;
import static java.lang.String.format;
final class CommandListenerMulticaster implements CommandListener {
private static final Logger LOGGER = Loggers.getLogger("protocol.event");
private final List<CommandListener> commandListeners;
CommandListenerMulticaster(final List<CommandListener> commandListeners) {
isTrue("All CommandListener instances are non-null", !commandListeners.contains(null));
this.commandListeners = new ArrayList<CommandListener>(commandListeners);
}
@Override
public void commandStarted(final CommandStartedEvent event) {
for (CommandListener cur : commandListeners) {
try {
cur.commandStarted(event);
} catch (Exception e) {
if (LOGGER.isWarnEnabled()) {
LOGGER.warn(format("Exception thrown raising command started event to listener %s", cur), e);
}
}
}
}
@Override
public void commandSucceeded(final CommandSucceededEvent event) {
for (CommandListener cur : commandListeners) {
try {
cur.commandSucceeded(event);
} catch (Exception e) {
if (LOGGER.isWarnEnabled()) {
LOGGER.warn(format("Exception thrown raising command succeeded event to listener %s", cur), e);
}
}
}
}
@Override
public void commandFailed(final CommandFailedEvent event) {
for (CommandListener cur : commandListeners) {
try {
cur.commandFailed(event);
} catch (Exception e) {
if (LOGGER.isWarnEnabled()) {
LOGGER.warn(format("Exception thrown raising command failed event to listener %s", cur), e);
}
}
}
}
}