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The Adobe Experience Manager SDK

There is a newer version: 2024.11.18751.20241128T090041Z-241100

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.sling.models.annotations;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Mark a class as adaptable via Sling Models.
 */
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Model {

    /**
     * @return List of classes from which can be adapted.
     */
    public Class[] adaptables();

    /**
     * @return List of classes to which can be adapted. If missing, the class that is annotated is used.
     *   If classes are given, they have to be either the annotated class itself, or interfaces or super classes of the class.
     *   The annotated class itself is always implicitly added to the adapters and does not need to be listed explicitly here.
     */
    public Class[] adapters() default {};

    /**
     * @return Default injection strategy (optional or required)
     */
    public DefaultInjectionStrategy defaultInjectionStrategy() default DefaultInjectionStrategy.REQUIRED;

    /**
     * @return Condition that is displayed in the felix console adapter plugin
     */
    public String condition() default "";

    /**
     *
     * @return {@link ValidationStrategy#DISABLED} in case the model should not be validated through Sling Validation (default),
     *  {@link ValidationStrategy#REQUIRED} in case the model should be validated and if no appropriate Sling Validation Model exists it is considered invalid or
     *  {@link ValidationStrategy#OPTIONAL} in case the model should be validated only in case an appropriate Sling Validation Model is found.
     * @see Sling Validation
     */
    public ValidationStrategy validation() default ValidationStrategy.DISABLED;

    /**
     *
     * @return the associated resource type for this model class
     */
    public String[] resourceType() default {};

    /**
     *
     * @return whether or not the model should be cached for the lifecycle of the adaptable
     */
    public boolean cache() default false;
}