| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.slicehost.predicates; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import javax.annotation.Resource; |
| 24 | import javax.inject.Singleton; |
| 25 | |
| 26 | import org.jclouds.logging.Logger; |
| 27 | import org.jclouds.slicehost.SlicehostClient; |
| 28 | import org.jclouds.slicehost.domain.Slice; |
| 29 | |
| 30 | import com.google.common.base.Predicate; |
| 31 | import com.google.inject.Inject; |
| 32 | |
| 33 | /** |
| 34 | * |
| 35 | * |
| 36 | * @author Adrian Cole |
| 37 | */ |
| 38 | @Singleton |
| 39 | public class SliceActive implements Predicate<Slice> { |
| 40 | |
| 41 | private final SlicehostClient client; |
| 42 | |
| 43 | @Resource |
| 44 | protected Logger logger = Logger.NULL; |
| 45 | |
| 46 | @Inject |
| 47 | public SliceActive(SlicehostClient client) { |
| 48 | this.client = client; |
| 49 | } |
| 50 | |
| 51 | public boolean apply(Slice slice) { |
| 52 | logger.trace("looking for state on slice %s", checkNotNull(slice, "slice")); |
| 53 | slice = refresh(slice); |
| 54 | if (slice == null) |
| 55 | return false; |
| 56 | logger.trace("%s: looking for slice state %s: currently: %s", slice.getId(), Slice.Status.ACTIVE, slice |
| 57 | .getStatus()); |
| 58 | return slice.getStatus() == Slice.Status.ACTIVE; |
| 59 | } |
| 60 | |
| 61 | private Slice refresh(Slice slice) { |
| 62 | return client.getSlice(slice.getId()); |
| 63 | } |
| 64 | } |