/*
 * Copyright 2013 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.api.internal.tasks.compile.incremental.deps;

import java.util.Set;

public class DependencyToAll implements DependentsSet {
    public static final DependencyToAll INSTANCE = new DependencyToAll();

    private final String reason;

    public DependencyToAll(String reason) {
        this.reason = reason;
    }

    public DependencyToAll() {
        this(null);
    }

    @Override
    public Set<String> getDependentClasses() {
        throw new UnsupportedOperationException("This instance of dependents set does not have dependent classes information.");
    }

    @Override
    public boolean isDependencyToAll() {
        return true;
    }

    @Override
    public String getDescription() {
        return reason;
    }
}
