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com.github.monnetproject.translation.fidel OSGi Bundle from the Monnet Project's translation.project project.
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/*********************************************************************************
 * Copyright (c) 2011, Monnet Project All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer. * Redistributions in binary
 * form must reproduce the above copyright notice, this list of conditions and
 * the following disclaimer in the documentation and/or other materials provided
 * with the distribution. * Neither the name of the Monnet Project nor the names
 * of its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE MONNET PROJECT BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * *******************************************************************************
 */
package eu.monnetproject.translation.fidel;
import static eu.monnetproject.translation.fidel.MurmurHash.*;

/**
 *
 * @author John McCrae
 */
public class Phrase {
    private final int hash;
    /** Buffer **/
    public final int[] p;
    /** Location **/
    public final int l;
    /** Length **/
    public final int n;

    public Phrase(int[] p) {
        this.p = p;
        this.l = 0;
        this.n = p.length;
        hash = hash32(p);
    }

    public Phrase(int[] p, int l, int n) {
        assert (l >= 0);
        assert (l + n <= p.length);
        this.p = p;
        this.l = l;
        this.n = n;
        hash = hash32(p, l, n);
    }

    @Override
    public int hashCode() {
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Phrase other = (Phrase) obj;
        if (this.n != other.n) {
            return false;
        }
        for (int i = 0; i < n; i++) {
            if (this.p[l + i] != other.p[other.l + i]) {
                return false;
            }
        }
        return true;
    }

}