org.apache.activemq.artemis.core.server.cluster.impl.MessageLoadBalancingType

Here are the examples of the java api class org.apache.activemq.artemis.core.server.cluster.impl.MessageLoadBalancingType taken from open source projects.

1. FileConfigurationParser#parseClusterConnectionConfiguration()

Project: activemq-artemis
File: FileConfigurationParser.java
private void parseClusterConnectionConfiguration(final Element e, final Configuration mainConfig) throws Exception {
    String name = e.getAttribute("name");
    String address = getString(e, "address", null, Validators.NOT_NULL_OR_EMPTY);
    String connectorName = getString(e, "connector-ref", null, Validators.NOT_NULL_OR_EMPTY);
    boolean duplicateDetection = getBoolean(e, "use-duplicate-detection", ActiveMQDefaultConfiguration.isDefaultClusterDuplicateDetection());
    MessageLoadBalancingType messageLoadBalancingType;
    if (parameterExists(e, "forward-when-no-consumers")) {
        boolean forwardWhenNoConsumers = getBoolean(e, "forward-when-no-consumers", ActiveMQDefaultConfiguration.isDefaultClusterForwardWhenNoConsumers());
        if (forwardWhenNoConsumers) {
            messageLoadBalancingType = MessageLoadBalancingType.STRICT;
        } else {
            messageLoadBalancingType = MessageLoadBalancingType.ON_DEMAND;
        }
    } else {
        messageLoadBalancingType = Enum.valueOf(MessageLoadBalancingType.class, getString(e, "message-load-balancing", ActiveMQDefaultConfiguration.getDefaultClusterMessageLoadBalancingType(), Validators.MESSAGE_LOAD_BALANCING_TYPE));
    }
    int maxHops = getInteger(e, "max-hops", ActiveMQDefaultConfiguration.getDefaultClusterMaxHops(), Validators.GE_ZERO);
    long clientFailureCheckPeriod = getLong(e, "check-period", ActiveMQDefaultConfiguration.getDefaultClusterFailureCheckPeriod(), Validators.GT_ZERO);
    long connectionTTL = getLong(e, "connection-ttl", ActiveMQDefaultConfiguration.getDefaultClusterConnectionTtl(), Validators.GT_ZERO);
    long retryInterval = getLong(e, "retry-interval", ActiveMQDefaultConfiguration.getDefaultClusterRetryInterval(), Validators.GT_ZERO);
    long callTimeout = getLong(e, "call-timeout", ActiveMQClient.DEFAULT_CALL_TIMEOUT, Validators.GT_ZERO);
    long callFailoverTimeout = getLong(e, "call-failover-timeout", ActiveMQClient.DEFAULT_CALL_FAILOVER_TIMEOUT, Validators.MINUS_ONE_OR_GT_ZERO);
    double retryIntervalMultiplier = getDouble(e, "retry-interval-multiplier", ActiveMQDefaultConfiguration.getDefaultClusterRetryIntervalMultiplier(), Validators.GT_ZERO);
    int minLargeMessageSize = getInteger(e, "min-large-message-size", ActiveMQClient.DEFAULT_MIN_LARGE_MESSAGE_SIZE, Validators.GT_ZERO);
    long maxRetryInterval = getLong(e, "max-retry-interval", ActiveMQDefaultConfiguration.getDefaultClusterMaxRetryInterval(), Validators.GT_ZERO);
    int initialConnectAttempts = getInteger(e, "initial-connect-attempts", ActiveMQDefaultConfiguration.getDefaultClusterInitialConnectAttempts(), Validators.MINUS_ONE_OR_GE_ZERO);
    int reconnectAttempts = getInteger(e, "reconnect-attempts", ActiveMQDefaultConfiguration.getDefaultClusterReconnectAttempts(), Validators.MINUS_ONE_OR_GE_ZERO);
    int confirmationWindowSize = getInteger(e, "confirmation-window-size", ActiveMQDefaultConfiguration.getDefaultClusterConfirmationWindowSize(), Validators.GT_ZERO);
    int producerWindowSize = getInteger(e, "producer-window-size", ActiveMQDefaultConfiguration.getDefaultBridgeProducerWindowSize(), Validators.MINUS_ONE_OR_GT_ZERO);
    long clusterNotificationInterval = getLong(e, "notification-interval", ActiveMQDefaultConfiguration.getDefaultClusterNotificationInterval(), Validators.GT_ZERO);
    int clusterNotificationAttempts = getInteger(e, "notification-attempts", ActiveMQDefaultConfiguration.getDefaultClusterNotificationAttempts(), Validators.GT_ZERO);
    String scaleDownConnector = e.getAttribute("scale-down-connector");
    String discoveryGroupName = null;
    List<String> staticConnectorNames = new ArrayList<>();
    boolean allowDirectConnectionsOnly = false;
    NodeList children = e.getChildNodes();
    for (int j = 0; j < children.getLength(); j++) {
        Node child = children.item(j);
        if (child.getNodeName().equals("discovery-group-ref")) {
            discoveryGroupName = child.getAttributes().getNamedItem("discovery-group-name").getNodeValue();
        } else if (child.getNodeName().equals("static-connectors")) {
            Node attr = child.getAttributes().getNamedItem("allow-direct-connections-only");
            if (attr != null) {
                allowDirectConnectionsOnly = "true".equalsIgnoreCase(attr.getNodeValue()) || allowDirectConnectionsOnly;
            }
            getStaticConnectors(staticConnectorNames, child);
        }
    }
    ClusterConnectionConfiguration config = new ClusterConnectionConfiguration().setName(name).setAddress(address).setConnectorName(connectorName).setMinLargeMessageSize(minLargeMessageSize).setClientFailureCheckPeriod(clientFailureCheckPeriod).setConnectionTTL(connectionTTL).setRetryInterval(retryInterval).setRetryIntervalMultiplier(retryIntervalMultiplier).setMaxRetryInterval(maxRetryInterval).setInitialConnectAttempts(initialConnectAttempts).setReconnectAttempts(reconnectAttempts).setCallTimeout(callTimeout).setCallFailoverTimeout(callFailoverTimeout).setDuplicateDetection(duplicateDetection).setMessageLoadBalancingType(messageLoadBalancingType).setMaxHops(maxHops).setConfirmationWindowSize(confirmationWindowSize).setProducerindowSize(producerWindowSize).setAllowDirectConnectionsOnly(allowDirectConnectionsOnly).setClusterNotificationInterval(clusterNotificationInterval).setClusterNotificationAttempts(clusterNotificationAttempts);
    if (discoveryGroupName == null) {
        config.setStaticConnectors(staticConnectorNames);
    } else {
        config.setDiscoveryGroupName(discoveryGroupName);
    }
    mainConfig.getClusterConfigurations().add(config);
}