/*
 * Copyright 2010-2013 Ning, Inc.
 * Copyright 2016 Groupon, Inc
 * Copyright 2016 The Billing Project, LLC
 *
 * The Billing Project 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.killbill.billing.notification.plugin.api;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

public class SubscriptionMetadata {

    public enum ActionType {
        EFFECTIVE,
        REQUESTED
    };

    private final ActionType actionType;

    @JsonCreator
    public SubscriptionMetadata(@JsonProperty("actionType") final ActionType actionType) {
        this.actionType = actionType;
    }

    public ActionType getActionType() {
        return actionType;
    }
}

@@ -1020,16 +1020,60 @@
 ionType;
+%0A    private final String bundleExternalKey;
 %0A%0A    @J
@@ -1174,122 +1174,357 @@
 Type
-) %7B%0A        this.actionType = actionType;%0A    %7D%0A%0A    public ActionType getActionType() %7B%0A        return actionType
+,%0A                                @JsonProperty(%22bundleExternalKey%22) final String bundleExternalKey) %7B%0A        this.actionType = actionType;%0A        this.bundleExternalKey = bundleExternalKey;%0A    %7D%0A%0A    public ActionType getActionType() %7B%0A        return actionType;%0A    %7D%0A%0A    public String getBundleExternalKey() %7B%0A        return bundleExternalKey
 ;%0A  

Add bundleExternalKey in Subscription event metadata field. See killbill/killbill#679