surefire-providers/surefire-junit47/src/main/java/org/apache/maven/surefire/junitcore/pc/NullBalancer.java

package org.apache.maven.surefire.junitcore.pc;

/*
 * 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.
 */

/**
 * This balancer implements {@link Balancer} and does not do anything -no blocking operation.
 *
 * @author Tibor Digana (tibor17)
 * @see Balancer
 * @since 2.16
 */
final class NullBalancer
    implements Balancer
{
    @Override
    public boolean acquirePermit()
    {
        return true;
    }

    @Override
    public void releasePermit()
    {
    }

    @Override
    public void releaseAllPermits()
    {
    }
}