/*
* 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.brooklyn.rest.domain;
import static com.google.common.base.Preconditions.checkNotNull;
import java.io.Serializable;
import java.net.URI;
import java.util.Map;
import org.codehaus.jackson.annotate.JsonProperty;
import com.google.common.collect.ImmutableMap;
public class ApplicationSummary implements HasId, Serializable {
private static final long serialVersionUID = -247411021540729088L;
private final static Map<Status, Status> validTransitions =
ImmutableMap.<Status, Status>builder()
.put(Status.UNKNOWN, Status.ACCEPTED)
.put(Status.ACCEPTED, Status.STARTING)
.put(Status.STARTING, Status.RUNNING)
.put(Status.RUNNING, Status.STOPPING)
.put(Status.STOPPING, Status.STOPPED)
.put(Status.STOPPED, Status.STARTING)
.build();
private final String id;
private final ApplicationSpec spec;
private final Status status;
private final Map<String, URI> links;
public ApplicationSummary(
@JsonProperty("id") String id,
@JsonProperty("spec") ApplicationSpec spec,
@JsonProperty("status") Status status,
@JsonProperty("links") Map<String, URI> links
) {
this.id = id;
this.spec = checkNotNull(spec, "spec");
this.status = checkNotNull(status, "status");
this.links = (links == null) ? ImmutableMap.<String, URI>of() : ImmutableMap.copyOf(links);
}
@Override
public String getId() {
return id;
}
public ApplicationSpec getSpec() {
return spec;
}
public Status getStatus() {
return status;
}
public Map<String, URI> getLinks() {
return links;
}
public ApplicationSummary transitionTo(Status newStatus) {
if (newStatus == Status.ERROR || validTransitions.get(status) == newStatus) {
return new ApplicationSummary(id, spec, newStatus, links);
}
throw new IllegalStateException("Invalid transition from '" +
status + "' to '" + newStatus + "'");
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ApplicationSummary that = (ApplicationSummary) o;
if (spec != null ? !spec.equals(that.spec) : that.spec != null)
return false;
if (status != that.status) return false;
return true;
}
@Override
public int hashCode() {
int result = spec != null ? spec.hashCode() : 0;
result = 31 * result + (status != null ? status.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "Application{" +
"id=" + id +
", spec=" + spec +
", status=" + status +
'}';
}
}