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96 lines
3.6 KiB
Java
96 lines
3.6 KiB
Java
// indexContainerOrder.java
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.kelondro.rwi;
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import net.yacy.cora.order.AbstractOrder;
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import net.yacy.cora.order.Order;
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public class ReferenceContainerOrder<ReferenceType extends Reference> extends AbstractOrder<ReferenceContainer<ReferenceType>> implements Order<ReferenceContainer<ReferenceType>>, Cloneable {
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private final ReferenceFactory<ReferenceType> factory;
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private final Order<byte[]> embeddedOrder;
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public ReferenceContainerOrder(ReferenceFactory<ReferenceType> factory, final Order<byte[]> embedOrder) {
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this.embeddedOrder = embedOrder;
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this.factory = factory;
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}
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public boolean wellformed(final ReferenceContainer<ReferenceType> a) {
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return embeddedOrder.wellformed(a.getTermHash());
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}
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@Override
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public void direction(final boolean ascending) {
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this.embeddedOrder.direction(ascending);
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}
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public long partition(final byte[] key, final int forks) {
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return this.embeddedOrder.partition(key, forks);
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}
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public int compare(final ReferenceContainer<ReferenceType> a, final ReferenceContainer<ReferenceType> b) {
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return this.embeddedOrder.compare(a.getTermHash(), b.getTermHash());
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}
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public boolean equal(ReferenceContainer<ReferenceType> a, ReferenceContainer<ReferenceType> b) {
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return this.embeddedOrder.equal(a.getTermHash(), b.getTermHash());
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}
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@Override
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public void rotate(final ReferenceContainer<ReferenceType> zero) {
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this.embeddedOrder.rotate(zero.getTermHash());
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this.zero = new ReferenceContainer<ReferenceType>(this.factory, this.embeddedOrder.zero(), zero);
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}
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public Order<ReferenceContainer<ReferenceType>> clone() {
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return new ReferenceContainerOrder<ReferenceType>(this.factory, this.embeddedOrder.clone());
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}
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public String signature() {
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return this.embeddedOrder.signature();
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}
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public long cardinal(final byte[] key) {
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return this.embeddedOrder.cardinal(key);
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}
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@SuppressWarnings("unchecked")
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@Override
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public boolean equals(final Object obj) {
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if (this == obj) return true;
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if (obj == null) return false;
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if (!(obj instanceof ReferenceContainerOrder<?>)) return false;
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ReferenceContainerOrder<ReferenceType> other = (ReferenceContainerOrder<ReferenceType>) obj;
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return this.embeddedOrder.equals(other.embeddedOrder);
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}
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public long cardinal(final ReferenceContainer<ReferenceType> key) {
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return this.embeddedOrder.cardinal(key.getTermHash());
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}
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}
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