Examples of buri.ddmsence.util.LazyList

buri.ddmsence.util.LazyList
Utility class for a list with dynamically added contents.
LazyList wraps around a standard ArrayList and ensures that any get() activity which returns a null value will return a freshly instantiated item instead.

This class should allow the Component Builder framework to function well within a form-based UI, where child components are added / removed at the web page level.

This class is similar in intent to the Apache commons-collections version, but my implementation differs in the following ways:
- Simplified layers of abstraction.
- Eliminated overhead of Factory boilerplate to instantiate new items. Classes can just be instantiated through the basic no-arg constructor.
- Interim positions are also instantiated when an index beyond the size of the list is requested.
@author Brian Uri! @since 1.9.0

    /**
     * Builder accessor for the processingInfos
     */
    public List<ProcessingInfo.Builder> getProcessingInfos() {
      if (_processingInfos == null)
        _processingInfos = new LazyList(ProcessingInfo.Builder.class);
      return _processingInfos;
    }

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    /**
     * Builder accessor for the streets
     */
    public List<String> getStreets() {
      if (_streets == null)
        _streets = new LazyList(String.class);
      return _streets;
    }

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    /**
     * Builder accessor for the streets
     */
    public void setStreets(List<String> streets) {
      _streets = new LazyList(streets, String.class);
    }

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    /**
     * Builder accessor for the requesterInfos
     */
    public List<RequesterInfo.Builder> getRequesterInfos() {
      if (_requesterInfos == null)
        _requesterInfos = new LazyList(RequesterInfo.Builder.class);
      return _requesterInfos;
    }

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    /**
     * Builder accessor for the addressees
     */
    public List<Addressee.Builder> getAddressees() {
      if (_addressees == null)
        _addressees = new LazyList(Addressee.Builder.class);
      return _addressees;
    }

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    /**
     * Builder accessor for the affiliations
     */
    public List<String> getAffiliations() {
      if (_affiliations == null)
        _affiliations = new LazyList(String.class);
      return _affiliations;
    }

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    /**
     * Builder accessor for the affiliations
     */
    public void setAffiliations(List<String> affiliations) {
      _affiliations = new LazyList(affiliations, String.class);
    }

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    /**
     * Builder accessor for the links
     */
    public List<Link.Builder> getLinks() {
      if (_links == null)
        _links = new LazyList(Link.Builder.class);
      return _links;
    }

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     * @param key the attribute name
     * @return the list of strings mapped to that attribute name
     */
    private List<String> getListAttribute(String key) {
      if (getListAttributes().get(key) == null)
        getListAttributes().put(key, new LazyList(String.class));
      return (getListAttributes().get(key));
    }

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     * 
     * @param key the attribute name
     * @param value the list to save, which will be wrapped in a lazy list
     */
    private void setListAttribute(String key, List<String> value) {
      getListAttributes().put(key, new LazyList(value, String.class));
    }

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