/*
* 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.jclouds.googlecomputeengine.predicates;
import com.google.common.base.Predicate;
import com.google.common.base.Supplier;
import com.google.inject.Inject;
import org.jclouds.googlecomputeengine.GoogleComputeEngineApi;
import org.jclouds.googlecomputeengine.config.UserProject;
import org.jclouds.googlecomputeengine.domain.Operation;
import java.util.concurrent.atomic.AtomicReference;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Tests that an Operation is done, returning the completed Operation when it is.
*
* @author David Alves
*/
public class OperationDonePredicate implements Predicate<AtomicReference<Operation>> {
private final GoogleComputeEngineApi api;
private final Supplier<String> project;
@Inject
OperationDonePredicate(GoogleComputeEngineApi api, @UserProject Supplier<String> project) {
this.api = api;
this.project = project;
}
@Override
public boolean apply(AtomicReference<Operation> input) {
checkNotNull(input, "input");
Operation current = api.getOperationApiForProject(project.get()).get(input.get().getName());
switch (current.getStatus()) {
case DONE:
input.set(current);
return true;
case PENDING:
case RUNNING:
default:
return false;
}
}
}