Java tutorial
/* * 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.event; import com.mongodb.connection.ConnectionId; import static com.mongodb.assertions.Assertions.notNull; /** * An event for checking our a connection from the pool. * * @since 3.5 */ public final class ConnectionCheckedOutEvent { private final ConnectionId connectionId; /** * Construct an instance * * @param connectionId the connectionId */ public ConnectionCheckedOutEvent(final ConnectionId connectionId) { this.connectionId = notNull("connectionId", connectionId); } /** * Gets the connection id * * @return the connection id */ public ConnectionId getConnectionId() { return connectionId; } @Override public String toString() { return "ConnectionCheckedOutEvent{" + "connectionId=" + connectionId + '}'; } }