platform/usageView/src/com/intellij/usages/Usage.java

/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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.intellij.usages;

import com.intellij.openapi.fileEditor.FileEditorLocation;
import com.intellij.pom.Navigatable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * @author max
 */
public interface Usage extends Navigatable {
  Usage[] EMPTY_ARRAY = new Usage[0];

  @NotNull
  UsagePresentation getPresentation();
  boolean isValid();
  boolean isReadOnly();

  @Nullable
  FileEditorLocation getLocation();

  void selectInEditor();
  void highlightInEditor();
}