org.gradle.model.internal.manage.schema.extract.SpecializedMapNodeInitializer Maven / Gradle / Ivy

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/*
 * Copyright 2015 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.manage.schema.extract;

import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.Multimap;
import org.gradle.api.Action;
import org.gradle.internal.BiAction;
import org.gradle.model.internal.core.ChildNodeInitializerStrategy;
import org.gradle.model.internal.core.ChildNodeInitializerStrategyAccessor;
import org.gradle.model.internal.core.ChildNodeInitializerStrategyAccessors;
import org.gradle.model.internal.core.DirectNodeInputUsingModelAction;
import org.gradle.model.internal.core.DirectNodeNoInputsModelAction;
import org.gradle.model.internal.core.ModelAction;
import org.gradle.model.internal.core.ModelActionRole;
import org.gradle.model.internal.core.ModelMapModelProjection;
import org.gradle.model.internal.core.ModelReference;
import org.gradle.model.internal.core.MutableModelNode;
import org.gradle.model.internal.core.NodeBackedModelMap;
import org.gradle.model.internal.core.NodeInitializer;
import org.gradle.model.internal.core.NodeInitializerRegistry;
import org.gradle.model.internal.core.SpecializedModelMapProjection;
import org.gradle.model.internal.core.rule.describe.ModelRuleDescriptor;
import org.gradle.model.internal.manage.schema.SpecializedMapSchema;
import org.gradle.model.internal.type.ModelType;

public class SpecializedMapNodeInitializer implements NodeInitializer {
    private final SpecializedMapSchema schema;

    public SpecializedMapNodeInitializer(SpecializedMapSchema schema) {
        this.schema = schema;
    }

    @Override
    public Multimap getActions(ModelReference subject, ModelRuleDescriptor descriptor) {
        return getActions(subject, descriptor, schema);
    }

    public static  Multimap getActions(ModelReference subject, ModelRuleDescriptor descriptor, final SpecializedMapSchema schema) {
        return ImmutableSetMultimap.builder()
            .put(ModelActionRole.Discover, DirectNodeNoInputsModelAction.of(subject, descriptor,
                new Action() {
                    @Override
                    public void execute(MutableModelNode modelNode) {
                        ChildNodeInitializerStrategyAccessor strategyAccessor = ChildNodeInitializerStrategyAccessors.fromPrivateData();
                        Class implementationType = schema.getImplementationType().asSubclass(schema.getType().getConcreteClass());
                        modelNode.addProjection(new SpecializedModelMapProjection(schema.getType(), schema.getElementType(), implementationType, strategyAccessor));
                        modelNode.addProjection(ModelMapModelProjection.managed(schema.getType(), schema.getElementType(), strategyAccessor));
                    }
                }
            ))
            .put(ModelActionRole.Create, DirectNodeInputUsingModelAction.of(subject, descriptor,
                ModelReference.of(NodeInitializerRegistry.class),
                new BiAction() {
                    @Override
                    public void execute(MutableModelNode modelNode, NodeInitializerRegistry nodeInitializerRegistry) {
                        ChildNodeInitializerStrategy childFactory = NodeBackedModelMap.createUsingRegistry(nodeInitializerRegistry);
                        modelNode.setPrivateData(ModelType.of(ChildNodeInitializerStrategy.class), childFactory);
                    }
                }
            ))
            .build();
    }
}