<commit_before>/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.jackrabbit.core.query.lucene;

import EDU.oswego.cs.dl.util.concurrent.PooledExecutor;
import EDU.oswego.cs.dl.util.concurrent.FutureResult;
import EDU.oswego.cs.dl.util.concurrent.Callable;

import java.lang.reflect.InvocationTargetException;

/**
 * <code>DynamicPooledExecutor</code> implements an executor, which dynamically
 * adjusts its maximum number of threads according to the number of available
 * processors returned by {@link Runtime#availableProcessors()}.
 */
public class DynamicPooledExecutor {

    /**
     * The underlying pooled executor.
     */
    private final PooledExecutor executor;

    /**
     * Timestamp when the pool size was last checked.
     */
    private volatile long lastCheck;

    /**
     * The number of processors.
     */
    private volatile int numProcessors;

    /**
     * Creates a new DynamicPooledExecutor.
     */
    public DynamicPooledExecutor() {
        executor = new PooledExecutor();
        executor.setKeepAliveTime(500);
        executor.waitWhenBlocked();
        adjustPoolSize();
    }

    /**
     * Executes the given command. This method will block if all threads in the
     * pool are busy and return only when the command has been accepted. Care
     * must be taken, that no deadlock occurs when multiple commands are
     * scheduled for execution. In general commands should not depend on the
     * execution of other commands!
     *
     * @param command the command to execute.
     */
    public void execute(Runnable command) {
        adjustPoolSize();<commit_msg>JCR-1846: Jackrabbit thread contention issue due to fat lock<commit_after>/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.jackrabbit.core.query.lucene;

import EDU.oswego.cs.dl.util.concurrent.PooledExecutor;
import EDU.oswego.cs.dl.util.concurrent.FutureResult;
import EDU.oswego.cs.dl.util.concurrent.Callable;

import java.lang.reflect.InvocationTargetException;

/**
 * <code>DynamicPooledExecutor</code> implements an executor, which dynamically
 * adjusts its maximum number of threads according to the number of available
 * processors returned by {@link Runtime#availableProcessors()}.
 */
public class DynamicPooledExecutor {

    /**
     * The underlying pooled executor.
     */
    private final PooledExecutor executor;

    /**
     * Timestamp when the pool size was last checked.
     */
    private volatile long lastCheck;

    /**
     * The number of processors.
     */
    private volatile int numProcessors;

    /**
     * Creates a new DynamicPooledExecutor.
     */
    public DynamicPooledExecutor() {
        executor = new PooledExecutor();
        executor.setKeepAliveTime(500);
        adjustPoolSize();
    }

    /**
     * Executes the given command. This method will block if all threads in the
     * pool are busy and return only when the command has been accepted. Care
     * must be taken, that no deadlock occurs when multiple commands are
     * scheduled for execution. In general commands should not depend on the
     * execution of other commands!
     *
     * @param command the command to execute.
     */
    public void execute(Runnable command) {
        adjustPoolSize();
{'fraction_non_alphanumeric': 0.07350177490081436, 'fraction_numerical': 0.003758613489246189, 'mean_word_length': 3.269162210338681, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6992584', 'n_tokens_mistral': 1235, 'n_tokens_neox': 1194, 'n_words': 510}