/*
* 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.core.sensor;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.mgmt.ManagementContext;
import org.apache.brooklyn.config.ConfigKey;
import org.apache.brooklyn.core.entity.EntityInternal;
import org.apache.brooklyn.core.mgmt.internal.ManagementContextInternal;
import org.apache.brooklyn.util.core.text.TemplateProcessor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.ImmutableMap;
/**
* A {@link ConfigKey} which takes a freemarker-templated string,
* and whose value is converted to a sensor by processing the template
* with access to config and methods on the entity where it is set.
*/
public class TemplatedStringAttributeSensorAndConfigKey extends BasicAttributeSensorAndConfigKey<String> {
private static final long serialVersionUID = 4680651022807491321L;
public static final Logger LOG = LoggerFactory.getLogger(TemplatedStringAttributeSensorAndConfigKey.class);
public TemplatedStringAttributeSensorAndConfigKey(String name) {
this(name, name, null);
}
public TemplatedStringAttributeSensorAndConfigKey(String name, String description) {
this(name, description, null);
}
public TemplatedStringAttributeSensorAndConfigKey(String name, String description, String defaultValue) {
super(String.class, name, description, defaultValue);
}
public TemplatedStringAttributeSensorAndConfigKey(TemplatedStringAttributeSensorAndConfigKey orig, String defaultValue) {
super(orig, defaultValue);
}
@Override
protected String convertConfigToSensor(String value, Entity entity) {
if (value == null) return null;
return TemplateProcessor.processTemplateContents(value, (EntityInternal)entity, ImmutableMap.<String,Object>of());
}
@Override
protected String convertConfigToSensor(String value, ManagementContext managementContext) {
if (value == null) return null;
return TemplateProcessor.processTemplateContents(value, (ManagementContextInternal)managementContext, ImmutableMap.<String,Object>of());
}
}