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/*
* 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.psi.search.searches;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.PsiReference;
import com.intellij.psi.search.*;
import com.intellij.util.*;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author max
*/
public class MethodReferencesSearch extends ExtensibleQueryFactory<PsiReference, MethodReferencesSearch.SearchParameters> {
public static ExtensionPointName<QueryExecutor> EP_NAME = ExtensionPointName.create("com.intellij.methodReferencesSearch");
public static final MethodReferencesSearch INSTANCE = new MethodReferencesSearch();
public static class SearchParameters {
private final PsiMethod myMethod;
private final SearchScope myScope;
private final boolean myStrictSignatureSearch;
private final SearchRequestCollector myOptimizer;
private final boolean isSharedOptimizer;
public SearchParameters(@NotNull PsiMethod method, @NotNull SearchScope scope, boolean strictSignatureSearch, @Nullable SearchRequestCollector optimizer) {
myMethod = method;
myScope = scope;
myStrictSignatureSearch = strictSignatureSearch;
isSharedOptimizer = optimizer != null;
myOptimizer = optimizer != null ? optimizer : new SearchRequestCollector(new SearchSession());
}
public SearchParameters(@NotNull PsiMethod method, @NotNull SearchScope scope, final boolean strict) {
this(method, scope, strict, null);
}
@NotNull
public PsiMethod getMethod() {
return myMethod;
}
public boolean isStrictSignatureSearch() {
return myStrictSignatureSearch;
}
public SearchRequestCollector getOptimizer() {
return myOptimizer;
}
@NotNull
public SearchScope getScope() {
return myScope;
}
}
private MethodReferencesSearch() {}
public static Query<PsiReference> search(@NotNull PsiMethod method, SearchScope scope, final boolean strictSignatureSearch) {
return search(new SearchParameters(method, scope, strictSignatureSearch));
}
public static void searchOptimized(final PsiMethod method, SearchScope scope, final boolean strictSignatureSearch,
@NotNull SearchRequestCollector collector, final Processor<PsiReference> processor) {
searchOptimized(method, scope, strictSignatureSearch, collector, false, new PairProcessor<PsiReference, SearchRequestCollector>() {
@Override
public boolean process(PsiReference psiReference, SearchRequestCollector collector) {
return processor.process(psiReference);
}
});
}
public static void searchOptimized(final PsiMethod method, SearchScope scope, final boolean strictSignatureSearch, SearchRequestCollector collector, final boolean inReadAction, PairProcessor<PsiReference, SearchRequestCollector> processor) {
final SearchRequestCollector nested = new SearchRequestCollector(collector.getSearchSession());
collector.searchQuery(new QuerySearchRequest(search(new SearchParameters(method, scope, strictSignatureSearch, nested)), nested,
inReadAction, processor));
}
public static Query<PsiReference> search(final SearchParameters parameters) {
final Query<PsiReference> result = INSTANCE.createQuery(parameters);
if (parameters.isSharedOptimizer) {
return uniqueResults(result);
}
final SearchRequestCollector requests = parameters.getOptimizer();
return uniqueResults(new MergeQuery<PsiReference>(result, new SearchRequestQuery(parameters.getMethod().getProject(), requests)));
}
public static Query<PsiReference> search(final PsiMethod method, final boolean strictSignatureSearch) {
return search(method, GlobalSearchScope.allScope(method.getProject()), strictSignatureSearch);
}
public static Query<PsiReference> search(final PsiMethod method) {
return search(method, true);
}
private static UniqueResultsQuery<PsiReference, ReferenceDescriptor> uniqueResults(@NotNull Query<PsiReference> composite) {
return new UniqueResultsQuery<PsiReference, ReferenceDescriptor>(composite, ContainerUtil.<ReferenceDescriptor>canonicalStrategy(), ReferenceDescriptor.MAPPER);
}
}
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