/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2011-2015 ForgeRock AS
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*/
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package org.opends.server.backends.pluggable;
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import org.forgerock.opendj.ldap.ByteString;
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import org.opends.server.backends.pluggable.spi.ReadableTransaction;
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import org.opends.server.backends.pluggable.spi.StorageRuntimeException;
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import org.opends.server.backends.pluggable.spi.TreeName;
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import org.opends.server.backends.pluggable.spi.WriteableTransaction;
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/**
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* This class is a wrapper around the tree object and provides basic
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* read and write methods for entries.
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*/
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abstract class AbstractTree implements Tree
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{
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/** The name of the tree within the entryContainer. */
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private final TreeName name;
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AbstractTree(final TreeName name)
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{
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this.name = name;
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}
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@Override
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public final void open(WriteableTransaction txn, boolean createOnDemand) throws StorageRuntimeException
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{
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txn.openTree(name, createOnDemand);
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open0(txn);
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}
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/** Override in order to perform any additional initialization after the index has opened. */
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void open0(WriteableTransaction txn) throws StorageRuntimeException
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{
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// Do nothing by default.
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}
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@Override
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public final void delete(WriteableTransaction txn) throws StorageRuntimeException
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{
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txn.deleteTree(name);
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}
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@Override
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public final long getRecordCount(ReadableTransaction txn) throws StorageRuntimeException
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{
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return txn.getRecordCount(name);
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}
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@Override
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public final TreeName getName()
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{
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return name;
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}
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@Override
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public final String toString()
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{
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return name.toString();
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}
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@Override
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public int compareTo(Tree o)
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{
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return name.compareTo(o.getName());
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}
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@Override
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public String keyToString(ByteString key)
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{
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return key.toString();
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}
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@Override
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public String valueToString(ByteString value)
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{
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return value.toString();
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}
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@Override
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public ByteString generateKey(String key)
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{
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return ByteString.valueOf(key.getBytes());
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}
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}
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