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A graphical DDD Context Map generator on the basis of Graphviz

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/*
 * Copyright © 2015 Stefan Niederhauser ([email protected])
 *
 * 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 guru.nidi.graphviz.model;

import guru.nidi.graphviz.attribute.Attributes;
import guru.nidi.graphviz.attribute.For;

import javax.annotation.Nullable;

import static guru.nidi.graphviz.attribute.Attributes.attr;
import static guru.nidi.graphviz.attribute.Attributes.attrs;

public interface MutableAttributed extends Attributes {
    default T add(String name, @Nullable Object value) {
        return add(attr(name, value));
    }

    default T add(Attributes attr1, Attributes attr2) {
        return add(attrs(attr1, attr2));
    }

    default T add(Attributes attr1, Attributes attr2, Attributes attr3) {
        return add(attrs(attr1, attr2, attr3));
    }

    default T add(Attributes attr1, Attributes attr2,
                  Attributes attr3, Attributes attr4) {
        return add(attrs(attr1, attr2, attr3, attr4));
    }

    //cannot use @SafeVarargs here, that's why we have the specializations for 2..4 attrs
    default T add(Attributes... attributes) {
        return add(attrs(attributes));
    }

    T add(Attributes attributes);
}