ca.uhn.fhir.rest.annotation.Operation Maven / Gradle / Ivy
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* #%L
* HAPI FHIR - Core Library
* %%
* Copyright (C) 2014 - 2024 Smile CDR, 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
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*/
package ca.uhn.fhir.rest.annotation;
import ca.uhn.fhir.model.valueset.BundleTypeEnum;
import org.hl7.fhir.instance.model.api.IBaseResource;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* RESTful method annotation used for a method which provides FHIR "operations".
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(value = ElementType.METHOD)
public @interface Operation {
/**
* This constant is a special return value for {@link #name()}. If this name is
* used, the given operation method will match all operation calls. This is
* generally not desirable, but can be useful if you have a server that should
* dynamically match any FHIR operations that are requested.
*/
String NAME_MATCH_ALL = "*";
/**
* The name of the operation, e.g. "$everything"
*
*
* This may be specified with or without a leading
* '$'. (If the leading '$' is omitted, it will be added internally by the API).
*
*/
String name();
/**
* This value may be populated with the resource type that the operation applies to. If set to
* {@link IBaseResource} (which is the default) than the operation applies to the server and not to a specific
* resource type.
*
* This attribute should not be used a resource provider implementing
* IResourceProvider since the type can be inferred from the
* resource provider type.
*
* @see #typeName() may also be used to specify a value as a String
*/
Class type() default IBaseResource.class;
/**
* This value may be populated with the resource type that the operation applies to. If set to
* {@link IBaseResource} (which is the default) than the operation applies to the server and not to a specific
* resource type.
*
* This attribute should not be used a resource provider implementing
* IResourceProvider since the type can be inferred from the
* resource provider type.
*
* @see #type() may also be used to specify a value for this setting as a class type
*/
String typeName() default "";
/**
* If a given operation method is idempotent
* (meaning roughly that it does not modify any data or state on the server)
* then this flag should be set to true (default is false).
*
* One the server, setting this to true means that the
* server will allow the operation to be invoked using an HTTP GET
* (on top of the standard HTTP POST)
*
*/
boolean idempotent() default false;
/**
* To support cancelling of a job,
* this flag should be set to true (default is false).
*
* The server, when setting this to true,
* will allow the operation to be invoked using an HTTP DELETE
* (on top of the standard HTTP POST)
*
*/
boolean deleteEnabled() default false;
/**
* This parameter may be used to specify the parts which will be found in the
* response to this operation.
*/
OperationParam[] returnParameters() default {};
/**
* If this operation returns a bundle, this parameter can be used to specify the
* bundle type to set in the bundle.
*/
BundleTypeEnum bundleType() default BundleTypeEnum.COLLECTION;
/**
* If this is set to true (default is false and this is almost
* always the right choice), the framework will not attempt to generate a response to
* this method.
*
* This is useful if you want to include an {@link jakarta.servlet.http.HttpServletResponse}
* in your method parameters and create a response yourself directly from your
* @Operation method.
*
*
* Note that this will mean that interceptor methods will not get fired for the
* response, so there are security implications to using this flag.
*
*/
boolean manualResponse() default false;
/**
* If this is set to true (default is false and this is almost
* always the right choice), the framework will not attempt to parse the request body,
* but will instead delegate it to the @Operation method.
*
* This is useful if you want to include an {@link jakarta.servlet.http.HttpServletRequest}
* in your method parameters and parse the request yourself.
*
*/
boolean manualRequest() default false;
/**
* If this is set to true, this method will be a global operation
* meaning that it applies to all resource types. Operations with this flag set should be
* placed in Plain Providers (i.e. they don't need to be placed in a resource-type-specific
* IResourceProvider instance) and should have a parameter annotated with
* {@link IdParam}.
*/
boolean global() default false;
/**
* The canonical URL of the operation, e.g. "http://hl7.org/fhir/us/davinci-hrex/OperationDefinition/member-match|1.0.0"
*
*
* This may be specified with or without a version. e.g. @Operation(name = "$everything", canonicalUrl = "http://hl7.org/fhir/OperationDefinition/Patient-everything")
* or @Operation(name = "$member-match", canonicalUrl = "http://hl7.org/fhir/us/davinci-hrex/OperationDefinition/member-match|1.0.0")
*
*/
String canonicalUrl() default "";
}