source: fedd/abac-src/rtml/src/edu/stanford/rt/datatype/TreeValueSet.java @ 8780cbec

package edu.stanford.rt.datatype;

/**
 * @author Ninghui Li, Sandra Qiu <br>
 * 
    A TreeValueSet object contains a TreeValue and can be 
    used to express the concept such as including all the 
    sub-directories of the current directory by specifying
    whether the current value is included, the children of 
    the current value or the descendant of the current value
    are included.
 */
public class TreeValueSet extends ValueSet
{
        /** tree value */
        private TreeValue value;

        /** is current tree value included?*/
        private boolean currentIncluded;
        /** is the children included?*/
        private boolean childrenIncluded;
        /** is the descendant incuded?  If it is true, then childrenIncluded is also true.*/
        private boolean descendantIncluded;

        /**
         * Constructor of TreeValueSet
         */
        public TreeValueSet(
                TreeType type,
                TreeValue value,
                boolean currentIncluded,
                boolean childrenIncluded,
                boolean descendantIncluded)
        {
                super(type);

                this.value = value;
                this.currentIncluded = currentIncluded;
                this.childrenIncluded = childrenIncluded;
                if (descendantIncluded && !childrenIncluded)
                        throw new IllegalArgumentException("descendantIncluded implicits childrenIncluded.");
                this.descendantIncluded = descendantIncluded;
        }

        /* (non-Javadoc)
         * @see edu.stanford.rt.datatype.ValueSet#toString(String)
         */
        public String toString(String indent)
        {
                String thisIndent = indent + "  ";

                StringBuffer sb = new StringBuffer();
                sb.append(thisIndent).append("TreeValueSet: \n");
                sb.append(thisIndent + "  ").append(
                        getType().toString()).append(
                        "\n");
                sb.append(thisIndent + "  ").append(value.toString()).append(
                        "\n");
                sb
                        .append(thisIndent)
                        .append("currentIncluded=")
                        .append(currentIncluded)
                        .append("  ")
                        .append("childrenIncluded=")
                        .append(childrenIncluded)
                        .append("  ")
                        .append("descendantIncluded=")
                        .append(descendantIncluded)
                        .append("\n");

                return sb.toString();
        }

}