/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.blur.analysis.type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.apache.blur.analysis.FieldTypeDefinition;
import org.apache.blur.lucene.security.document.DocumentVisiblityField;
import org.apache.blur.thrift.generated.Column;
import org.apache.hadoop.conf.Configuration;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.core.KeywordAnalyzer;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.SortedDocValuesField;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.StoredField;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.SortField.Type;
import org.apache.lucene.util.BytesRef;
public class AclDiscoverFieldTypeDefinition extends FieldTypeDefinition {
private static final String INTERNAL_FIELDNAME = "_discover_";
private static final KeywordAnalyzer KEYWORD_ANALYZER = new KeywordAnalyzer();
private static final String ACL_DISCOVER = "acl-discover";
private static final Collection<String> ALT_FIELD_NAMES;
static {
ALT_FIELD_NAMES = new HashSet<String>();
ALT_FIELD_NAMES.add(INTERNAL_FIELDNAME);
}
@Override
public String getName() {
return ACL_DISCOVER;
}
@Override
public void configure(String fieldNameForThisInstance, Map<String, String> properties, Configuration configuration) {
}
@Override
public Collection<String> getAlternateFieldNames() {
return ALT_FIELD_NAMES;
}
@Override
public boolean isAlternateFieldNamesSharedAcrossInstances() {
return true;
}
@Override
public Iterable<? extends Field> getFieldsForColumn(String family, Column column) {
String fieldName = getFieldName();
String value = column.getValue();
List<Field> fields = new ArrayList<Field>();
fields.add(new DocumentVisiblityField(INTERNAL_FIELDNAME, value, Store.NO));
fields.add(new StoredField(fieldName, value));
if (isSortEnable()) {
fields.add(new SortedDocValuesField(fieldName, new BytesRef(value)));
}
return fields;
}
@Override
public Iterable<? extends Field> getFieldsForSubColumn(String family, Column column, String subName) {
String fieldName = getFieldName();
String value = column.getValue();
List<Field> fields = new ArrayList<Field>();
fields.add(new DocumentVisiblityField(INTERNAL_FIELDNAME, value, Store.NO));
if (isSortEnable()) {
fields.add(new SortedDocValuesField(fieldName, new BytesRef(value)));
}
return fields;
}
@Override
public Analyzer getAnalyzerForIndex(String fieldName) {
// shouldn't be used ever
return KEYWORD_ANALYZER;
}
@Override
public Analyzer getAnalyzerForQuery(String fieldName) {
return KEYWORD_ANALYZER;
}
@Override
public boolean checkSupportForFuzzyQuery() {
return true;
}
@Override
public boolean checkSupportForWildcardQuery() {
return true;
}
@Override
public boolean checkSupportForPrefixQuery() {
return true;
}
@Override
public boolean checkSupportForRegexQuery() {
return true;
}
@Override
public boolean isNumeric() {
return false;
}
@Override
public boolean checkSupportForCustomQuery() {
return false;
}
@Override
public boolean checkSupportForSorting() {
return true;
}
@Override
public SortField getSortField(boolean reverse) {
if (reverse) {
return new SortField(getFieldName(), Type.STRING, reverse);
}
return new SortField(getFieldName(), Type.STRING);
}
@Override
public String readTerm(BytesRef byteRef) {
return byteRef.utf8ToString();
}
}