/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2015-2016 ForgeRock AS.
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*/
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package org.opends.server.schema;
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import static org.mockito.Mockito.*;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.NavigableMap;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import org.forgerock.opendj.ldap.Assertion;
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import org.forgerock.opendj.ldap.AttributeDescription;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.DecodeException;
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import org.forgerock.opendj.ldap.schema.AttributeType;
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import org.forgerock.opendj.ldap.schema.MatchingRule;
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import org.forgerock.opendj.ldap.schema.Schema;
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import org.forgerock.opendj.ldap.spi.Indexer;
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import org.forgerock.opendj.ldap.spi.IndexingOptions;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.Entry;
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import org.opends.server.types.SearchFilter;
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class FakeEntryIndex
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{
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private AttributeType attrType;
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private MatchingRule matchingRule;
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private Indexer indexer;
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private final NavigableMap<ByteString, Set<Entry>> index = new TreeMap<>();
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FakeEntryIndex(String attrName) throws DecodeException
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{
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attrType = DirectoryServer.getSchema().getAttributeType(attrName);
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if (attrType == null)
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{
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throw new IllegalArgumentException("Cannot find attribute with name \"" + attrName + "\"");
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}
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matchingRule = attrType.getEqualityMatchingRule();
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IndexingOptions options = mock(IndexingOptions.class);
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indexer = matchingRule.createIndexers(options).iterator().next();
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}
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void addAll(List<Entry> entries) throws DecodeException
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{
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for (Entry entry : entries)
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{
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add(entry);
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}
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}
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void add(Entry entry) throws DecodeException
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{
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Attribute attribute = entry.getAttribute(AttributeDescription.create(attrType));
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for (ByteString key : index(attribute))
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{
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Set<Entry> entries = index.get(key);
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if (entries == null)
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{
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entries = new HashSet<>();
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index.put(key, entries);
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}
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entries.add(entry);
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}
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}
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private Collection<ByteString> index(Attribute attribute) throws DecodeException
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{
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if (attribute == null)
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{
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return Collections.emptySet();
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}
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Collection<ByteString> keys = new TreeSet<>();
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for (ByteString attrValue : attribute)
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{
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indexer.createKeys(Schema.getDefaultSchema(), attrValue, keys);
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}
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return keys;
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}
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public Set<Entry> evaluateFilter(String filterString) throws DirectoryException, DecodeException
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{
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SearchFilter filter = SearchFilter.createFilterFromString(filterString);
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if (!attrType.equals(filter.getAttributeType()))
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{
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throw new IllegalArgumentException("The search filter \"" + filterString
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+ "\" should target the same attribute type as this index \"" + attrType.getNameOrOID() + "\"");
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}
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Assertion assertion = getAssertion(filter);
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return assertion.createIndexQuery(new FakeIndexQueryFactory<Entry>(index));
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}
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private Assertion getAssertion(SearchFilter filter) throws DecodeException
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{
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switch (filter.getFilterType())
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{
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case EQUALITY:
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return matchingRule.getAssertion(filter.getAssertionValue());
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case LESS_OR_EQUAL:
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return matchingRule.getLessOrEqualAssertion(filter.getAssertionValue());
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case GREATER_OR_EQUAL:
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return matchingRule.getGreaterOrEqualAssertion(filter.getAssertionValue());
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case EXTENSIBLE_MATCH:
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MatchingRule rule = DirectoryServer.getSchema().getMatchingRule(filter.getMatchingRuleID());
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return rule.getAssertion(filter.getAssertionValue());
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default:
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throw new RuntimeException("Not implemented for search filter type " + filter.getFilterType());
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}
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}
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@Override
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public String toString()
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{
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StringBuilder sb = new StringBuilder();
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for (Map.Entry<ByteString, Set<Entry>> mapEntry : index.entrySet())
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{
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String key = mapEntry.getKey().toHexString();
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Set<Entry> value = mapEntry.getValue();
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Iterator<Entry> it = value.iterator();
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if (!it.hasNext())
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{
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continue;
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}
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sb.append(key).append("\t").append(firstLine(it.next())).append("\n");
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while (it.hasNext())
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{
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sb.append(emptyString(key.length())).append("\t").append(firstLine(it.next())).append("\n");
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}
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}
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return sb.toString();
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}
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private String firstLine(Entry entry)
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{
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return entry.toString().split("\\n")[0] + " ...";
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}
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private String emptyString(int length)
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{
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < length; i++)
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{
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sb.append(" ");
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}
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return sb.toString();
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}
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}
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