nifi-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From olegz <...@git.apache.org>
Subject [GitHub] nifi pull request: NIFI-1678
Date Sun, 17 Apr 2016 23:43:58 GMT
Github user olegz commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/323#discussion_r59995615
  
    --- Diff: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-cluster/src/main/java/org/apache/nifi/cluster/manager/impl/WebClusterManagerCoordinator.java
---
    @@ -0,0 +1,164 @@
    +/*
    + * 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.nifi.cluster.manager.impl;
    +
    +import java.util.HashSet;
    +import java.util.Set;
    +
    +import org.apache.nifi.cluster.coordination.ClusterCoordinator;
    +import org.apache.nifi.cluster.coordination.node.DisconnectionCode;
    +import org.apache.nifi.cluster.coordination.node.NodeConnectionState;
    +import org.apache.nifi.cluster.coordination.node.NodeConnectionStatus;
    +import org.apache.nifi.cluster.node.Node;
    +import org.apache.nifi.cluster.node.Node.Status;
    +import org.apache.nifi.cluster.protocol.ConnectionRequest;
    +import org.apache.nifi.cluster.protocol.NodeIdentifier;
    +import org.apache.nifi.reporting.Severity;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +public class WebClusterManagerCoordinator implements ClusterCoordinator {
    +    private static final Logger logger = LoggerFactory.getLogger(WebClusterManagerCoordinator.class);
    +
    +    private final WebClusterManager clusterManager;
    +
    +    public WebClusterManagerCoordinator(final WebClusterManager clusterManager) {
    +        this.clusterManager = clusterManager;
    +    }
    +
    +    @Override
    +    public void requestNodeConnect(final NodeIdentifier nodeId) {
    +        final Node node = clusterManager.getRawNode(nodeId.getId());
    +
    +        if (node == null) {
    +            final ConnectionRequest connectionRequest = new ConnectionRequest(nodeId);
    +            clusterManager.requestConnection(connectionRequest);
    +        } else {
    +            node.setStatus(Status.DISCONNECTED);
    +            clusterManager.requestReconnection(nodeId.getId(), "Anonymous");
    +        }
    +    }
    +
    +    @Override
    +    public void finishNodeConnection(final NodeIdentifier nodeId) {
    +        final Node node = clusterManager.getRawNode(nodeId.getId());
    +        if (node == null) {
    +            logger.error("Attempting to Finish Node Connection but could not find Node
with Identifier {}", nodeId);
    +            return;
    +        }
    +
    +        node.setStatus(Status.CONNECTED);
    +    }
    +
    +    @Override
    +    public void requestNodeDisconnect(final NodeIdentifier nodeId, final DisconnectionCode
disconnectionCode, final String explanation) {
    +        try {
    +            clusterManager.requestDisconnection(nodeId, false, explanation);
    +
    +            if (disconnectionCode == DisconnectionCode.LACK_OF_HEARTBEAT) {
    +                final Node node = clusterManager.getRawNode(nodeId.getId());
    +                if (node != null) {
    +                    node.setHeartbeatDisconnection();
    +                }
    +            }
    +        } catch (final Exception e) {
    +            logger.error("Failed to request node {} disconnect from cluster due to {}",
nodeId, e);
    +            logger.error("", e);
    --- End diff --
    
    Come to think of it, why are we logging it twice?


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message