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JavaFunctionalExpressionSearcher: in small scopes, don't bother with method stub index

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non-call usages are included, don't search for them again
This commit is contained in:
peter
2015-07-30 08:37:16 +02:00
parent facc905e38
commit 9ec258fb42
1 changed files with 34 additions and 29 deletions
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java/java-indexing-impl/src/com/intellij/psi/impl/search/JavaFunctionalExpressionSearcher.java
+34 -29
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@@ -110,46 +110,51 @@ public class JavaFunctionalExpressionSearcher implements QueryExecutor<PsiFuncti
LOG.assertTrue(functionalInterfaceMethod != null);
final int expectedFunExprParamsCount = functionalInterfaceMethod.getParameterTypes().length;
final LinkedHashSet<VirtualFile> filesToProcess = ContainerUtil.newLinkedHashSet();
//collect all files with '::' and '->' in useScope
Set<VirtualFile> candidateFiles = getFilesWithFunctionalExpressionsScope(project, useScope);
if (candidateFiles.size() < 5) {
return searchInFiles(aClass, consumer, candidateFiles, expectedFunExprParamsCount);
}
final GlobalSearchScope filesScope = GlobalSearchScope.filesScope(project, candidateFiles);
if (candidateFiles.size() < 5) {
filesToProcess.addAll(candidateFiles);
} else {
//collect all methods with parameter of functional interface or free type parameter type
final Collection<PsiMethod> methodCandidates = getCandidateMethodsWithSuitableParams(aClass, project, useScope);
//collect all methods with parameter of functional interface or free type parameter type
final Collection<PsiMethod> methodCandidates = getCandidateMethodsWithSuitableParams(aClass, project, useScope);
final FileBasedIndex fileBasedIndex = FileBasedIndex.getInstance();
final LinkedHashSet<VirtualFile> filesToProcess = new LinkedHashSet<VirtualFile>();
final FileBasedIndex fileBasedIndex = FileBasedIndex.getInstance();
//find all usages of method candidates in files with functional expressions
for (final PsiMethod psiMethod : methodCandidates) {
ApplicationManager.getApplication().runReadAction(new Runnable() {
public void run() {
if (!psiMethod.isValid()) return;
final int parametersCount = psiMethod.getParameterList().getParametersCount();
final boolean varArgs = psiMethod.isVarArgs();
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
final GlobalSearchScope methodUseScope = modulesScope.intersectWith(convertToGlobalScope(project, psiMethod.getUseScope()));
fileBasedIndex.processValues(JavaFunctionalExpressionIndex.JAVA_FUNCTIONAL_EXPRESSION_INDEX_ID, psiMethod.getName(), null,
//functional expressions checker: number and type of parameters at call site should correspond to
//candidate method currently check
new SuitableFilesProcessor(filesToProcess,
expectedFunExprParamsCount,
parametersCount,
varArgs,
parameters),
useScope.intersectWith(methodUseScope));
}
});
}
//find all usages of method candidates in files with functional expressions
for (final PsiMethod psiMethod : methodCandidates) {
ApplicationManager.getApplication().runReadAction(new Runnable() {
public void run() {
if (!psiMethod.isValid()) return;
final int parametersCount = psiMethod.getParameterList().getParametersCount();
final boolean varArgs = psiMethod.isVarArgs();
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
final GlobalSearchScope methodUseScope = modulesScope.intersectWith(convertToGlobalScope(project, psiMethod.getUseScope()));
fileBasedIndex.processValues(JavaFunctionalExpressionIndex.JAVA_FUNCTIONAL_EXPRESSION_INDEX_ID, psiMethod.getName(), null,
//functional expressions checker: number and type of parameters at call site should correspond to
//candidate method currently check
new SuitableFilesProcessor(filesToProcess,
expectedFunExprParamsCount,
parametersCount,
varArgs,
parameters),
useScope.intersectWith(methodUseScope));
}
});
}
//search for functional expressions in non-call contexts
collectFilesWithTypeOccurrencesAndFieldAssignments(aClass, filesScope, filesToProcess);
return searchInFiles(aClass, consumer, filesToProcess, expectedFunExprParamsCount);
}
private static boolean searchInFiles(final PsiClass aClass,
final Processor<PsiFunctionalExpression> consumer,
Set<VirtualFile> filesToProcess, final int expectedFunExprParamsCount) {
LOG.info("#usage files: " + filesToProcess.size());
return ContainerUtil.process(filesToProcess, new ReadActionProcessor<VirtualFile>() {
@Override