/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     MetaMatrix, Inc - repackaging and updates for use as a metadata store
 *******************************************************************************/
package org.teiid.designer.core.index;

import java.util.Arrays;


/**
 * @since 8.0
 */
public class EntryResult implements IEntryResult {
    private char[] word;
    private int[] fileRefs;

    public EntryResult( char[] word,
                        int[] refs ) {
        this.word = word;
        this.fileRefs = refs;
    }

    @Override
    public boolean equals( Object anObject ) {

        if (this == anObject) {
            return true;
        }
        if ((anObject != null) && (anObject instanceof EntryResult)) {
            EntryResult anEntryResult = (EntryResult)anObject;
            if (!Arrays.equals(this.word, anEntryResult.word)) return false;

            int length;
            int[] refs, otherRefs;
            if ((length = (refs = this.fileRefs).length) != (otherRefs = anEntryResult.fileRefs).length) return false;
            for (int i = 0; i < length; i++) {
                if (refs[i] != otherRefs[i]) return false;
            }
            return true;
        }
        return false;

    }

    @Override
	public int[] getFileReferences() {
        return fileRefs;
    }

    @Override
	public char[] getWord() {
        return word;
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(word);
    }

    @Override
    public String toString() {
        StringBuffer buffer = new StringBuffer(word.length * 2);
        buffer.append("EntryResult: word="); //$NON-NLS-1$
        buffer.append(word);
        buffer.append(", refs={"); //$NON-NLS-1$
        for (int i = 0; i < fileRefs.length; i++) {
            if (i > 0) buffer.append(',');
            buffer.append(' ');
            buffer.append(fileRefs[i]);
        }
        buffer.append(" }"); //$NON-NLS-1$
        return buffer.toString();
    }
}