/**
* 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.jooby.internal;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.inject.Inject;
import com.google.inject.Provider;
import org.jooby.spi.Server;
import java.util.concurrent.Executor;
import static java.util.Objects.requireNonNull;
public class ServerExecutorProvider implements Provider<Executor>
{
private Executor executor;
@Inject
public ServerExecutorProvider(final ServerHolder serverHolder) {
requireNonNull(serverHolder, "Server holder is required.");
executor = (serverHolder.server != null) ?
serverHolder.server.executor().orElse(MoreExecutors.directExecutor()) :
MoreExecutors.directExecutor();
}
@Override
public Executor get() {
return executor;
}
static class ServerHolder {
@Inject(optional = true) Server server = null;
}
}