Package Framework

Source Code of Framework.MappedTextData

package Framework;

import DisplayProject.binding.beans.PropertyConnector;

/**
* A mapped TextData is a class that is bound to a property of an object. When this value changes,
* the bound object property will change, and vice versa. THis is implemented as a package visible
* subclass of TextData owning to the cost of having TextData implement finalize, and the number
* of TextDatas that make it onto the finalizer queue that do not need to be there.
* @author Tim
*
*/
class MappedTextData extends TextData {
    /**
     * Stores a property connector
     */
    private transient PropertyConnector propConnector;

    public MappedTextData() {
      super();
  }
   
    public MappedTextData(Object object, String property) {
      super();
      /*
       * Bind using JGoodies
       *
       * result.value is bound to object.property
       *
       */
      PropertyConnector con = new PropertyConnector(this, "value", object, property);
      this.propConnector = con;
  }

    @Override
  protected void finalize() throws Throwable {
    super.finalize();
    if (this.propConnector != null) {
      this.propConnector.release();
    }
  }
}
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