| /* |
| * 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.internal.processors.cache.binary; |
| |
| import java.util.UUID; |
| import org.apache.ignite.binary.BinaryObjectException; |
| import org.apache.ignite.internal.binary.BinaryMetadata; |
| import org.apache.ignite.internal.managers.discovery.DiscoCache; |
| import org.apache.ignite.internal.managers.discovery.DiscoveryCustomMessage; |
| import org.apache.ignite.internal.managers.discovery.GridDiscoveryManager; |
| import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.lang.IgniteUuid; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * <b>MetadataRemoveProposedMessage</b> and {@link MetadataRemoveAcceptedMessage} messages make a basis for |
| * discovery-based protocol for manage {@link BinaryMetadata metadata} describing objects in binary format |
| * stored in Ignite caches. |
| */ |
| public final class MetadataRemoveProposedMessage implements DiscoveryCustomMessage { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private final IgniteUuid id = IgniteUuid.randomUuid(); |
| |
| /** Node UUID which initiated metadata update. */ |
| private final UUID origNodeId; |
| |
| /** Metadata type id. */ |
| private final int typeId; |
| |
| /** Message acceptance status. */ |
| private ProposalStatus status = ProposalStatus.SUCCESSFUL; |
| |
| /** Message received on coordinator. */ |
| private boolean onCoordinator = true; |
| |
| /** */ |
| private BinaryObjectException err; |
| |
| /** |
| * @param typeId Binary type ID. |
| * @param origNodeId ID of node requested update. |
| */ |
| public MetadataRemoveProposedMessage(int typeId, UUID origNodeId) { |
| assert origNodeId != null; |
| |
| this.origNodeId = origNodeId; |
| |
| this.typeId = typeId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteUuid id() { |
| return id; |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public DiscoveryCustomMessage ackMessage() { |
| return (status == ProposalStatus.SUCCESSFUL) ? new MetadataRemoveAcceptedMessage(typeId) : null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isMutable() { |
| return true; |
| } |
| |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public DiscoCache createDiscoCache(GridDiscoveryManager mgr, |
| AffinityTopologyVersion topVer, DiscoCache discoCache) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * @param err Error caused this update to be rejected. |
| */ |
| void markRejected(BinaryObjectException err) { |
| status = ProposalStatus.REJECTED; |
| this.err = err; |
| } |
| |
| /** */ |
| boolean rejected() { |
| return status == ProposalStatus.REJECTED; |
| } |
| |
| /** */ |
| BinaryObjectException rejectionError() { |
| return err; |
| } |
| |
| /** */ |
| UUID origNodeId() { |
| return origNodeId; |
| } |
| |
| /** */ |
| public int typeId() { |
| return typeId; |
| } |
| |
| /** */ |
| public boolean isOnCoordinator() { |
| return onCoordinator; |
| } |
| |
| /** */ |
| public void setOnCoordinator(boolean onCoordinator) { |
| this.onCoordinator = onCoordinator; |
| } |
| |
| /** Message acceptance status. */ |
| private enum ProposalStatus { |
| /** */ |
| SUCCESSFUL, |
| |
| /** */ |
| REJECTED |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(MetadataRemoveProposedMessage.class, this); |
| } |
| } |