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/*
* Copyright 2000-2014 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.psi.search.searches;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.util.Computable;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiFunctionalExpression;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.PsiModifier;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.PsiSearchHelper;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.util.EmptyQuery;
import com.intellij.util.Query;
import com.intellij.util.QueryExecutor;
import org.jetbrains.annotations.NotNull;
public class FunctionalExpressionSearch extends ExtensibleQueryFactory<PsiFunctionalExpression, FunctionalExpressionSearch.SearchParameters> {
public static ExtensionPointName<QueryExecutor> EP_NAME = ExtensionPointName.create("com.intellij.functionalInterfaceSearch");
public static final FunctionalExpressionSearch INSTANCE = new FunctionalExpressionSearch();
public static class SearchParameters {
private final PsiClass myElementToSearch;
private final SearchScope myScope;
public SearchParameters(@NotNull PsiClass aClass, @NotNull SearchScope scope) {
myElementToSearch = aClass;
myScope = scope;
}
public PsiClass getElementToSearch() {
return myElementToSearch;
}
@NotNull
public SearchScope getEffectiveSearchScope () {
SearchScope accessScope = PsiSearchHelper.SERVICE.getInstance(myElementToSearch.getProject()).getUseScope(myElementToSearch);
return myScope.intersectWith(accessScope);
}
}
public static Query<PsiFunctionalExpression> search(@NotNull final PsiClass aClass, @NotNull SearchScope scope) {
return INSTANCE.createUniqueResultsQuery(new SearchParameters(aClass, scope));
}
public static Query<PsiFunctionalExpression> search(@NotNull final PsiMethod psiMethod) {
return search(psiMethod, GlobalSearchScope.allScope(PsiUtilCore.getProjectInReadAction(psiMethod)));
}
public static Query<PsiFunctionalExpression> search(@NotNull final PsiMethod psiMethod, @NotNull final SearchScope scope) {
return ApplicationManager.getApplication().runReadAction(new Computable<Query<PsiFunctionalExpression>>() {
@Override
public Query<PsiFunctionalExpression> compute() {
if (!psiMethod.hasModifierProperty(PsiModifier.STATIC) && !psiMethod.hasModifierProperty(PsiModifier.DEFAULT)) {
return INSTANCE.createUniqueResultsQuery(new SearchParameters(psiMethod.getContainingClass(), scope));
}
return EmptyQuery.getEmptyQuery();
}
});
}
public static Query<PsiFunctionalExpression> search(@NotNull final PsiClass aClass) {
return search(aClass, GlobalSearchScope.allScope(PsiUtilCore.getProjectInReadAction(aClass)));
}
}
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