TestCompilerRefFunctionalExpressionSearchAction.java

/*
 * Copyright 2000-2016 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.
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package com.intellij.compiler.backwardRefs.view;

import com.intellij.compiler.backwardRefs.CompilerReferenceServiceImpl;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.psi.LambdaUtil;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiNamedElement;
import com.intellij.psi.search.GlobalSearchScope;
import org.jetbrains.annotations.NotNull;

public class TestCompilerRefFunctionalExpressionSearchAction extends TestCompilerHierarchyBaseAction {

  public TestCompilerRefFunctionalExpressionSearchAction() {
    super("Compiler Reference Functional Expression Search");
  }

  @Override
  protected CompilerReferenceHierarchyTestInfo getHierarchy(@NotNull PsiElement element,
                                                            @NotNull CompilerReferenceServiceImpl refService,
                                                            @NotNull GlobalSearchScope scope) {
    return refService.getTestFunExpressions((PsiNamedElement)element, scope, StdFileTypes.JAVA);
  }

  @Override
  protected boolean canBeAppliedFor(@NotNull PsiElement element) {
    return element instanceof PsiClass && LambdaUtil.isFunctionalClass((PsiClass)element);
  }
}