ModuleList is already part of Initialization

This commit is contained in:
Xavier Léauté 2015-07-01 11:37:28 -07:00
parent 2c463ae435
commit 9789417612
1 changed files with 0 additions and 92 deletions

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@ -1,92 +0,0 @@
/*
* Druid - a distributed column store.
* Copyright 2012 - 2015 Metamarkets Group Inc.
*
* 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.
*/
package io.druid.guice;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.Lists;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.Module;
import com.metamx.common.ISE;
import io.druid.guice.annotations.Json;
import io.druid.guice.annotations.Smile;
import io.druid.initialization.DruidModule;
import java.util.Collections;
import java.util.List;
/**
*/
public class ModuleList
{
private final Injector baseInjector;
private final ObjectMapper jsonMapper;
private final ObjectMapper smileMapper;
private final List<Module> modules;
public ModuleList(Injector baseInjector)
{
this.baseInjector = baseInjector;
this.jsonMapper = baseInjector.getInstance(Key.get(ObjectMapper.class, Json.class));
this.smileMapper = baseInjector.getInstance(Key.get(ObjectMapper.class, Smile.class));
this.modules = Lists.newArrayList();
}
public List<Module> getModules()
{
return Collections.unmodifiableList(modules);
}
public void addModule(Object input)
{
if (input instanceof DruidModule) {
baseInjector.injectMembers(input);
modules.add(registerJacksonModules(((DruidModule) input)));
} else if (input instanceof Module) {
baseInjector.injectMembers(input);
modules.add((Module) input);
} else if (input instanceof Class) {
if (DruidModule.class.isAssignableFrom((Class) input)) {
modules.add(registerJacksonModules(baseInjector.getInstance((Class<? extends DruidModule>) input)));
} else if (Module.class.isAssignableFrom((Class) input)) {
modules.add(baseInjector.getInstance((Class<? extends Module>) input));
return;
} else {
throw new ISE("Class[%s] does not implement %s", input.getClass(), Module.class);
}
} else {
throw new ISE("Unknown module type[%s]", input.getClass());
}
}
public void addModules(Object... object)
{
for (Object o : object) {
addModule(o);
}
}
private DruidModule registerJacksonModules(DruidModule module)
{
for (com.fasterxml.jackson.databind.Module jacksonModule : module.getJacksonModules()) {
jsonMapper.registerModule(jacksonModule);
smileMapper.registerModule(jacksonModule);
}
return module;
}
}