Method setCluster

java/org/apache/catalina/core/ContainerBase.java:352–392

(Cluster cluster)

    @Override
    public void setCluster(Cluster cluster) {

        Cluster oldCluster;
        Lock writeLock = clusterLock.writeLock();
        writeLock.lock();
        try {
            // Change components if necessary
            oldCluster = this.cluster;
            if (oldCluster == cluster) {
                return;
            }
            this.cluster = cluster;
            // Start the new component if necessary
            if (cluster != null) {
                cluster.setContainer(this);
            }
        } finally {
            writeLock.unlock();
        }

        // Stop the old component if necessary
        if (getState().isAvailable() && (oldCluster instanceof Lifecycle)) {
            try {
                ((Lifecycle) oldCluster).stop();
            } catch (LifecycleException e) {
                log.error(sm.getString("containerBase.cluster.stop"), e);
            }
        }

        if (getState().isAvailable() && (cluster instanceof Lifecycle)) {
            try {
                ((Lifecycle) cluster).start();
            } catch (LifecycleException e) {
                log.error(sm.getString("containerBase.cluster.start"), e);
            }
        }

        // Report this property change to interested listeners
        support.firePropertyChange("cluster", oldCluster, cluster);
    }


    @Override