63 lines
2.6 KiB
Java
63 lines
2.6 KiB
Java
/*
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* Copyright 2020 Red Hat, Inc. and/or its affiliates
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* and other contributors as indicated by the @author tags.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.keycloak.utils;
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import org.jboss.logging.Logger;
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import org.keycloak.executors.ExecutorsProvider;
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import org.keycloak.models.GroupModel;
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import org.keycloak.models.KeycloakSession;
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import org.keycloak.models.utils.ModelToRepresentation;
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import org.keycloak.representations.idm.GroupRepresentation;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Future;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import java.util.function.Function;
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import java.util.stream.Stream;
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/**
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* Utility class for general helper methods used across the keycloak-services.
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*/
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public class ServicesUtils {
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private static final Logger logger = Logger.getLogger(ServicesUtils.class);
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public static <T, R> Function<? super T,? extends Stream<? extends R>> timeBound(KeycloakSession session,
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long timeout,
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Function<T, ? extends Stream<R>> func) {
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ExecutorService executor = session.getProvider(ExecutorsProvider.class).getExecutor("storage-provider-threads");
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return p -> {
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Callable<? extends Stream<R>> c = () -> func.apply(p);
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Future<? extends Stream<R>> future = executor.submit(c);
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try {
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return future.get(timeout, TimeUnit.MILLISECONDS);
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} catch (InterruptedException | ExecutionException | TimeoutException e) {
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future.cancel(true);
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logger.debug("Function failed to return on time.", e);
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return Stream.empty();
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}
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};
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}
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public static GroupRepresentation groupToBriefRepresentation(GroupModel g) {
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return ModelToRepresentation.toRepresentation(g, false);
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}
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}
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