android/src/com/android/tools/idea/sdk/remote/internal/packages/IMinToolsDependency.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.tools.idea.sdk.remote.internal.packages;

import com.android.sdklib.repository.FullRevision;
import com.android.tools.idea.sdk.remote.internal.sources.SdkRepoConstants;

/**
 * Interface used to decorate a {@link com.android.tools.idea.sdk.remote.internal.packages.Package} that has a dependency
 * on a minimal tools revision, e.g. which XML has a <code>&lt;min-tools-rev&gt;</code> element.
 * <p/>
 * A package that has this dependency can only be installed if the requested tools revision
 * is present or installed at the same time.
 */
public interface IMinToolsDependency {

  /**
   * The value of {@link #getMinToolsRevision()} when the
   * {@link SdkRepoConstants#NODE_MIN_TOOLS_REV} was not specified in the XML source.
   */
  FullRevision MIN_TOOLS_REV_NOT_SPECIFIED = new FullRevision(FullRevision.MISSING_MAJOR_REV);

  /**
   * The minimal revision of the tools package required by this extra package if > 0,
   * or {@link #MIN_TOOLS_REV_NOT_SPECIFIED} if there is no such requirement.
   */
  FullRevision getMinToolsRevision();
}