RequestTracingServiceConfiguration.java

/*
 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 Copyright (c) 2016 Payara Foundation. All rights reserved.
 The contents of this file are subject to the terms of the Common Development
 and Distribution License("CDDL") (collectively, the "License").  You
 may not use this file except in compliance with the License.  You can
 obtain a copy of the License at
 https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 or packager/legal/LICENSE.txt.  See the License for the specific
 language governing permissions and limitations under the License.
 When distributing the software, include this License Header Notice in each
 file and include the License file at packager/legal/LICENSE.txt.
 */
package fish.payara.nucleus.requesttracing.configuration;

import fish.payara.nucleus.notification.configuration.Notifier;
import org.glassfish.api.admin.config.ConfigExtension;
import org.jvnet.hk2.config.*;

import java.beans.PropertyVetoException;
import java.util.List;
import javax.validation.constraints.Min;

/**
 * @author mertcaliskan
 *
 * Main configuration class that defines whole configuration for request tracing services.
 */
@Configured
public interface RequestTracingServiceConfiguration extends ConfigBeanProxy, ConfigExtension {

    @Attribute(defaultValue = "false", dataType = Boolean.class)
    String getEnabled();
    void enabled(String value) throws PropertyVetoException;

    @Attribute(defaultValue = "30", dataType = Long.class)
    @Min(value = 0)
    String getThresholdValue();
    void setThresholdValue(String value) throws PropertyVetoException;

    @Attribute(defaultValue = "SECONDS")
    String getThresholdUnit();
    void setThresholdUnit(String value) throws PropertyVetoException;

    @Element("*")
    List<Notifier> getNotifierList();

    @DuckTyped
    <T extends Notifier> T getNotifierByType(Class type);

    class Duck {
        public static <T extends Notifier> T getNotifierByType(RequestTracingServiceConfiguration config, Class<T> type) {
            for (Notifier notifier : config.getNotifierList()) {
                try {
                    return type.cast(notifier);
                } catch (Exception e) {
                    // ignore, not the right type.
                }
            }
            return null;
        }
    }
}