| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.ignite.events; |
| |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.internal.util.typedef.internal.A; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.lang.IgniteUuid; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Base adapter for the events. All events (including user-defined ones) should |
| * extend this adapter as it provides necessary plumbing implementation details. |
| */ |
| public class EventAdapter implements Event { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private final IgniteUuid id = IgniteUuid.randomUuid(); |
| |
| /** */ |
| private final long tstamp = U.currentTimeMillis(); |
| |
| /** */ |
| private ClusterNode node; |
| |
| /** */ |
| private String msg; |
| |
| /** */ |
| private int type; |
| |
| /** */ |
| private long locId = EventLocalOrder.nextOrder(); |
| |
| /** |
| * No-arg constructor. |
| */ |
| public EventAdapter() { |
| // No-op. |
| } |
| |
| /** |
| * Creates event based with given parameters. |
| * |
| * @param msg Optional message. |
| * @param type Event type. |
| */ |
| public EventAdapter(ClusterNode node, String msg, int type) { |
| assert tstamp > 0; |
| |
| A.ensure(type > 0, "Event type ID must be greater than zero."); |
| |
| this.node = node; |
| this.msg = msg; |
| this.type = type; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int compareTo(Event o) { |
| return o == null ? 1 : id.compareTo(o.id()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteUuid id() { |
| return id; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long localOrder() { |
| return locId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object o) { |
| assert id != null; |
| |
| return this == o || o instanceof EventAdapter && id.equals(((Event)o).id()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| assert id != null; |
| |
| return id.hashCode(); |
| } |
| |
| /** |
| * Sets node where even is occurred (i.e. node local to the event). |
| * |
| * @param node Node. |
| */ |
| public void node(ClusterNode node) { |
| this.node = node; |
| } |
| |
| /** |
| * Sets optional event message. |
| * |
| * @param msg Optional event message. |
| */ |
| public void message(@Nullable String msg) { |
| this.msg = msg; |
| } |
| |
| /** |
| * Sets event type. |
| * |
| * @param type Event type. |
| */ |
| public void type(int type) { |
| this.type = type; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public ClusterNode node() { |
| return node; |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public String message() { |
| return msg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int type() { |
| return type; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long timestamp() { |
| return tstamp; |
| } |
| |
| /** |
| * Gets event type name. |
| * |
| * @return Event type name. |
| */ |
| @Override public String name() { |
| return U.gridEventName(type()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String shortDisplay() { |
| return toString(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(EventAdapter.class, this, "name", name()); |
| } |
| } |