How to use

subKey

method

in

brooklyn.event.basic.MapConfigKey

public static ConfigKey<String> javaSysProp(String propertyName) { return UsesJava.JAVA_SYSPROPS.subKey(propertyName); }

/** replaces the attributes underneath the rootAttribute parameter with the given value;
 * see {@link #addLaunchAttributesMap(EntitySpec, Map)} for richer functionality */
public static void setLaunchAttribute(EntityInternal entity, String rootAttribute, Object value) {
  entity.setConfig(ChefSoloDriver.CHEF_LAUNCH_ATTRIBUTES.subKey(rootAttribute), value);
}

/** replaces the attributes underneath the rootAttribute parameter with the given value;
 * see {@link #addLaunchAttributesMap(EntitySpec, Map)} for richer functionality */
public static void setLaunchAttribute(EntitySpec<?> entity, String rootAttribute, Object value) {
  entity.configure(ChefSoloDriver.CHEF_LAUNCH_ATTRIBUTES.subKey(rootAttribute), value);
}

public ConfigKey<V> subKey(String subName) {
  return subKey(subName, "sub-element of " + getName() + ", named " + subName);
}
// it is not possible to supply default values

public static void addToCookbooksFromGithub(EntitySpec<?> entity, String cookbookName, String cookbookUrl) {
  entity.configure(ChefSoloDriver.CHEF_COOKBOOKS.subKey(cookbookName), cookbookUrl);
}

public static void addToCookbooksFromGithub(EntityInternal entity, String cookbookName, String cookbookUrl) {
  entity.setConfig(ChefSoloDriver.CHEF_COOKBOOKS.subKey(cookbookName), cookbookUrl);
}

@SuppressWarnings({ "rawtypes", "unchecked" })
protected Object applyEntryValueToMap(Entry value, Map target) {
  Object k = value.getKey();
  if (isSubKey(k)) {
    // do nothing
  } else if (k instanceof String) {
    k = subKey((String)k);
  } else {
    log.warn("Unexpected subkey "+k+" being inserted into "+this+"; ignoring");
    k = null;
  }
  if (k!=null)
    return target.put(k, value.getValue());
  else 
    return null;
}