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RouteSource.java
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package act.route;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* Licensed 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.
* #L%
*/
import org.osgl.util.E;
/**
* Enumerate the source where the route mapping come from.
* <p>
* There are three possible route mapping source:
* </p>
* <ul>
* <li>
* route table - the route mapping defined in a route file
* </li>
* <li>
* action annotation - the route mapping defined by action handler method
* along with action annotation
* </li>
* <li>
* app config - route mapping configured by code by calling
* {@link act.app.conf.AppConfigurator.RouteBuilder} APIs
* </li>
* </ul>
*/
public enum RouteSource {
BUILD_IN("Built in service") {
@Override
Router.ConflictResolver onConflict(RouteSource existingRoute) {
return Router.ConflictResolver.EXIT;
}
},
/**
* The route mapping from route table file
*/
ROUTE_TABLE("Route table") {
@Override
Router.ConflictResolver onConflict(RouteSource existingRoute) {
switch (existingRoute) {
case APP_CONFIG:
case BUILD_IN:
return Router.ConflictResolver.EXIT;
case ACTION_ANNOTATION:
return Router.ConflictResolver.OVERWRITE;
default:
return Router.ConflictResolver.OVERWRITE_WARN;
}
}
},
/**
* The route mapping come from action annotation
*/
ACTION_ANNOTATION("Action annotation") {
@Override
Router.ConflictResolver onConflict(RouteSource existingRoute) {
switch (existingRoute) {
case ACTION_ANNOTATION:
case BUILD_IN:
return Router.ConflictResolver.EXIT;
case ROUTE_TABLE:
case APP_CONFIG:
return Router.ConflictResolver.SKIP;
default:
return Router.ConflictResolver.OVERWRITE_WARN;
}
}
},
/**
* The route mapping from programed configuration
*/
APP_CONFIG("App configured") {
@Override
Router.ConflictResolver onConflict(RouteSource existingRoute) {
switch (existingRoute) {
case BUILD_IN:
case APP_CONFIG:
return Router.ConflictResolver.EXIT;
default:
return Router.ConflictResolver.OVERWRITE_WARN;
}
}
},
/**
* The route mapping com from admin console instruction
*/
ADMIN_OVERWRITE("Admin overwrite") {
@Override
Router.ConflictResolver onConflict(RouteSource existingRoute) {
return Router.ConflictResolver.OVERWRITE_WARN;
}
},
/**
* The route mapping com from admin console add instruction
*/
ADMIN_ADD("Admin added") {
@Override
Router.ConflictResolver onConflict(RouteSource existingRoute) {
return Router.ConflictResolver.EXIT;
}
},
;
private String desc;
RouteSource(String desc) {
this.desc = desc;
}
public String getDescription() {
return desc;
}
abstract Router.ConflictResolver onConflict(RouteSource existingRoute);
}