/*
 * Copyright 2014 the original author or 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 org.gradle.model.internal.core;

import com.google.common.base.Optional;
import org.gradle.api.Nullable;
import org.gradle.model.internal.core.rule.describe.ModelRuleDescriptor;
import org.gradle.model.internal.type.ModelType;

import java.util.List;

public interface ModelAdapter {

    @Nullable
    <T> ModelView<? extends T> asReadOnly(ModelType<T> type, MutableModelNode node, @Nullable ModelRuleDescriptor ruleDescriptor);

    @Nullable
    <T> ModelView<? extends T> asWritable(ModelType<T> type, MutableModelNode node, ModelRuleDescriptor ruleDescriptor, List<ModelView<?>> implicitDependencies);

    @Override
        // must implement logical equality
    boolean equals(Object other);

    Optional<String> getValueDescription(MutableModelNode modelNodeInternal);
}
