Occurrence.java

package lse;

/**
 * This class encapsulates an occurrences of a keyword in a document. It stores the
 * document name, and the frequency of occurrence in that document. Occurrences are
 * associated with keywords in an index hash table.
 * 
 * @author RU-NB-CS112
 *
 */
public class Occurrence {
	
	/**
	 * Document in which a keyword occurs.
	 */
	String document;
	
	/**
	 * The frequency (number of times) the keyword occurs in the above document.
	 */
	int frequency;
	
	/**
	 * Initializes this occurrence with the given document,frequency pair.
	 * 
	 * @param doc Document name
	 * @param freq Frequency
	 */
	public Occurrence(String doc, int freq) {
		document = doc;
		frequency = freq;
	}
	
	/* (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		return "(" + document + "," + frequency + ")";
	}
}