/*
* 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.camp.spi;
import org.apache.brooklyn.camp.spi.collection.BasicResourceLookup;
import org.apache.brooklyn.camp.spi.collection.ResourceLookup;
import org.apache.brooklyn.camp.spi.collection.ResourceLookup.EmptyResourceLookup;
import org.apache.brooklyn.camp.spi.instantiate.AssemblyTemplateInstantiator;
import com.google.common.base.Preconditions;
/** Holds the metadata (name, description, etc) for an AssemblyTemplate
* as well as fields pointing to behaviour (eg list of ACT's).
* <p>
* See {@link AbstractResource} for more general information.
*/
public class AssemblyTemplate extends AbstractResource {
public static final String CAMP_TYPE = "AssemblyTemplate";
static { assert CAMP_TYPE.equals(AssemblyTemplate.class.getSimpleName()); }
Class<? extends AssemblyTemplateInstantiator> instantiator;
ResourceLookup<ApplicationComponentTemplate> applicationComponentTemplates;
ResourceLookup<PlatformComponentTemplate> platformComponentTemplates;
// TODO
// "parameterDefinitionUri": URI,
// "pdpUri" : URI ?
/** Use {@link #builder()} to create */
protected AssemblyTemplate() {}
public Class<? extends AssemblyTemplateInstantiator> getInstantiator() {
return instantiator;
}
public ResourceLookup<ApplicationComponentTemplate> getApplicationComponentTemplates() {
return applicationComponentTemplates != null ? applicationComponentTemplates : new EmptyResourceLookup<ApplicationComponentTemplate>();
}
public ResourceLookup<PlatformComponentTemplate> getPlatformComponentTemplates() {
return platformComponentTemplates != null ? platformComponentTemplates : new EmptyResourceLookup<PlatformComponentTemplate>();
}
private void setInstantiator(Class<? extends AssemblyTemplateInstantiator> instantiator) {
this.instantiator = instantiator;
}
private void setApplicationComponentTemplates(ResourceLookup<ApplicationComponentTemplate> applicationComponentTemplates) {
this.applicationComponentTemplates = applicationComponentTemplates;
}
private void setPlatformComponentTemplates(ResourceLookup<PlatformComponentTemplate> platformComponentTemplates) {
this.platformComponentTemplates = platformComponentTemplates;
}
// builder
public static Builder<? extends AssemblyTemplate> builder() {
return new AssemblyTemplate().new Builder<AssemblyTemplate>(CAMP_TYPE);
}
public class Builder<T extends AssemblyTemplate> extends AbstractResource.Builder<T,Builder<T>> {
protected Builder(String type) { super(type); }
public Builder<T> instantiator(Class<? extends AssemblyTemplateInstantiator> x) { AssemblyTemplate.this.setInstantiator(x); return thisBuilder(); }
public Builder<T> applicationComponentTemplates(ResourceLookup<ApplicationComponentTemplate> x) { AssemblyTemplate.this.setApplicationComponentTemplates(x); return thisBuilder(); }
public Builder<T> platformComponentTemplates(ResourceLookup<PlatformComponentTemplate> x) { AssemblyTemplate.this.setPlatformComponentTemplates(x); return thisBuilder(); }
/** allows callers to see the partially formed instance when needed, for example to query instantiators;
* could be replaced by specific methods as and when that is preferred */
@SuppressWarnings("unchecked")
public T peek() { return (T) AssemblyTemplate.this; }
public synchronized Builder<T> add(ApplicationComponentTemplate x) {
if (AssemblyTemplate.this.applicationComponentTemplates==null) {
AssemblyTemplate.this.applicationComponentTemplates = new BasicResourceLookup<ApplicationComponentTemplate>();
}
if (!(AssemblyTemplate.this.applicationComponentTemplates instanceof BasicResourceLookup)) {
throw new IllegalStateException("Cannot add to resource lookup "+AssemblyTemplate.this.applicationComponentTemplates);
}
((BasicResourceLookup<ApplicationComponentTemplate>)AssemblyTemplate.this.applicationComponentTemplates).add(x);
return thisBuilder();
}
public synchronized Builder<T> add(PlatformComponentTemplate x) {
if (AssemblyTemplate.this.platformComponentTemplates==null) {
AssemblyTemplate.this.platformComponentTemplates = new BasicResourceLookup<PlatformComponentTemplate>();
}
if (!(AssemblyTemplate.this.platformComponentTemplates instanceof BasicResourceLookup)) {
throw new IllegalStateException("Cannot add to resource lookup "+AssemblyTemplate.this.platformComponentTemplates);
}
((BasicResourceLookup<PlatformComponentTemplate>)AssemblyTemplate.this.platformComponentTemplates).add(x);
return thisBuilder();
}
@Override
public synchronized T build() {
Preconditions.checkNotNull(AssemblyTemplate.this.instantiator);
return super.build();
}
}
}