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

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

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/*
 * Copyright (C) 2015 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;
import com.squareup.wire.schema.internal.parser.OneOfElement;

public final class OneOf {
    private final String name;
    private final String documentation;
    private final ImmutableList<Field> fields;

    private OneOf(String name, String documentation, ImmutableList<Field> fields) {
        this.name = name;
        this.documentation = documentation;
        this.fields = fields;
    }

    public String name() {
        return name;
    }

    public String documentation() {
        return documentation;
    }

    public ImmutableList<Field> fields() {
        return fields;
    }

    void link(Linker linker) {
        for (Field field : fields) {
            field.link(linker);
        }
    }

    void linkOptions(Linker linker) {
        for (Field field : fields) {
            field.linkOptions(linker);
        }
    }

    OneOf retainAll(Schema schema, MarkSet markSet, ProtoType enclosingType) {
        ImmutableList<Field> retainedFields = Field.retainAll(schema, markSet, enclosingType, fields);
        if (retainedFields.isEmpty())
            return null;
        return new OneOf(name, documentation, retainedFields);
    }

    static ImmutableList<OneOf> fromElements(String packageName, ImmutableList<OneOfElement> elements,
            boolean extension) {
        ImmutableList.Builder<OneOf> oneOfs = ImmutableList.builder();
        for (OneOfElement oneOf : elements) {
            if (!oneOf.groups().isEmpty()) {
                throw new IllegalStateException("'group' is not supported");
            }
            oneOfs.add(new OneOf(oneOf.name(), oneOf.documentation(),
                    Field.fromElements(packageName, oneOf.fields(), extension)));
        }
        return oneOfs.build();
    }

    static ImmutableList<OneOfElement> toElements(ImmutableList<OneOf> oneOfs) {
        ImmutableList.Builder<OneOfElement> elements = new ImmutableList.Builder<>();
        for (OneOf oneOf : oneOfs) {
            elements.add(OneOfElement.builder().documentation(oneOf.documentation).name(oneOf.name)
                    .fields(Field.toElements(oneOf.fields)).build());
        }
        return elements.build();
    }
}