com.squareup.wire.schema.EnclosingType.java Source code

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Here is the source code for com.squareup.wire.schema.EnclosingType.java

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/*
 * Copyright (C) 2016 Square, 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
 * limitations under the License.
 */
package com.squareup.wire.schema;

import com.google.common.collect.ImmutableList;

/** An empty type which only holds nested types. */
public final class EnclosingType extends Type {
    private final Location location;
    private final ProtoType type;
    private final String documentation;
    private final ImmutableList<Type> nestedTypes;

    EnclosingType(Location location, ProtoType type, String documentation, ImmutableList<Type> nestedTypes) {
        this.location = location;
        this.type = type;
        this.documentation = documentation;
        this.nestedTypes = nestedTypes;
    }

    @Override
    public Location location() {
        return location;
    }

    @Override
    public ProtoType type() {
        return type;
    }

    @Override
    public String documentation() {
        return documentation;
    }

    @Override
    public Options options() {
        throw new UnsupportedOperationException();
    }

    @Override
    public ImmutableList<Type> nestedTypes() {
        return nestedTypes;
    }

    @Override
    void link(Linker linker) {
        for (Type nestedType : nestedTypes) {
            nestedType.link(linker);
        }
    }

    @Override
    void linkOptions(Linker linker) {
        for (Type nestedType : nestedTypes) {
            nestedType.linkOptions(linker);
        }
    }

    @Override
    void validate(Linker linker) {
        for (Type nestedType : nestedTypes) {
            nestedType.validate(linker);
        }
    }

    @Override
    Type retainAll(Schema schema, MarkSet markSet) {
        ImmutableList.Builder<Type> retainedNestedTypesBuilder = ImmutableList.builder();
        for (Type nestedType : nestedTypes) {
            Type retainedNestedType = nestedType.retainAll(schema, markSet);
            if (retainedNestedType != null) {
                retainedNestedTypesBuilder.add(retainedNestedType);
            }
        }

        ImmutableList<Type> retainedNestedTypes = retainedNestedTypesBuilder.build();
        if (retainedNestedTypes.isEmpty()) {
            return null;
        }
        return new EnclosingType(location, type, documentation, retainedNestedTypes);
    }
}