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MethodInfo.java
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/**
* Copyright 2012-2020 The Feign Authors
*
* 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 feign;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.concurrent.CompletableFuture;
@Experimental
class MethodInfo {
private final String configKey;
private final Type underlyingReturnType;
private final boolean asyncReturnType;
MethodInfo(String configKey, Type underlyingReturnType, boolean asyncReturnType) {
this.configKey = configKey;
this.underlyingReturnType = underlyingReturnType;
this.asyncReturnType = asyncReturnType;
}
MethodInfo(Class<?> targetType, Method method) {
this.configKey = Feign.configKey(targetType, method);
final Type type = method.getGenericReturnType();
if (method.getReturnType() != CompletableFuture.class) {
this.asyncReturnType = false;
this.underlyingReturnType = type;
} else {
this.asyncReturnType = true;
this.underlyingReturnType = ((ParameterizedType) type).getActualTypeArguments()[0];
}
}
String configKey() {
return configKey;
}
Type underlyingReturnType() {
return underlyingReturnType;
}
boolean isAsyncReturnType() {
return asyncReturnType;
}
}