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CGNameObfuscator.java
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CGNameObfuscator.java
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/*
* Copyright (c) 2022 nosqlbench
*
* Licensed 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.
*/
/**
* Create random but stable names for all elements.
* Use a deterministic method for creating names.
* once an element is named, use the same name throughout
* prefix each element type with a code for the type
*/
package io.nosqlbench.cqlgen.transformers;
import io.nosqlbench.cqlgen.api.CGModelTransformer;
import io.nosqlbench.cqlgen.core.CGWorkloadExporter;
import io.nosqlbench.cqlgen.model.*;
import io.nosqlbench.cqlgen.transformers.namecache.*;
import io.nosqlbench.nb.api.config.standard.*;
import io.nosqlbench.virtdata.core.bindings.DataMapper;
import io.nosqlbench.virtdata.core.bindings.VirtData;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.nio.file.Path;
import java.util.Map;
public class CGNameObfuscator implements CGModelTransformer, NBConfigurable {
private final static Logger logger = LogManager.getLogger(CGWorkloadExporter.APPNAME+"/name-obfuscator");
NameCache cache = new NameCache();
private final CGCachingNameRemapper remapper = new CGCachingNameRemapper();
private String name;
private String mapfile;
@Override
public CqlModel apply(CqlModel model) {
remapper.setTypePrefixes(Map.of("keyspace", "ks_", "type", "typ_", "table", "tb_", "column","col_"));
if (mapfile != null) {
cache = NameCache.loadOrCreate(Path.of(mapfile));
}
for (CqlKeyspaceDef keyspaceDef : model.getKeyspaceDefs()) {
NamedKeyspace namedKeyspace = cache.keyspace(keyspaceDef.getName());
String newKeyspaceName = namedKeyspace.computeAlias(keyspaceDef, remapper::nameFor);
keyspaceDef.setKeyspaceName(newKeyspaceName);
for (CqlType typeDef : keyspaceDef.getTypeDefs()) {
NamedType namedType = namedKeyspace.type(typeDef.getName());
String typeDefName = namedType.computeAlias(typeDef,remapper::nameFor);
namedType.setName(typeDefName);
for (CqlTypeColumn columnDef : typeDef.getColumnDefs()) {
NamedColumn namedTypeColumn = namedType.column(columnDef.getName());
String newColumnName = namedTypeColumn.computeAlias(columnDef,remapper::nameFor);
columnDef.setName(newColumnName);
}
}
for (CqlTable table : keyspaceDef.getTableDefs()) {
NamedTable namedTable = namedKeyspace.table(table.getName());
String newTableName = namedTable.computeAlias(table,remapper::nameFor);
table.setName(newTableName);
for (CqlColumnBase columnDef : table.getColumnDefs()) {
NamedColumn namedTableColumn = namedTable.column(columnDef.getName());
String newColumnName = namedTableColumn.computeAlias(columnDef,remapper::nameFor);
columnDef.setName(newColumnName);
}
}
}
// for (String keyspaceName : model.getAllKnownKeyspaceNames()) {
// Map<String, String> labels = Map.of("type", "keyspace", "name", keyspaceName);
// NamedKeyspace cachedKeyspace = cache.keyspace(keyspaceName);
// cachedKeyspace.computeAlias(labels, remapper::nameFor);
//// model.renamekeyspace(keyspaceName, alias);
// }
//
// for (CqlTable cqlTable : model.getTableDefs()) {
// String tablename = cqlTable.getName();
// NamedTable cachedTable = cache.keyspace(cqlTable.getKeyspaceName()).table(tablename);
// String alias = cachedTable.computeAlias(cqlTable, remapper::nameFor);
// model.renameTable(cqlTable, alias);
//
// for (CqlColumnBase coldef : cqlTable.getColumnDefs()) {
// NamedColumn cachedColumn = cache.keyspace(cqlTable.getKeyspaceName()).table(tablename).column(coldef.getName());
// cachedColumn.computeAlias(coldef, remapper::nameFor);
//// model.renameColumn(coldef, colalias);
// }
// }
//
// for (CqlType type : model.getTypeDefs()) {
// String typeName = type.getName();
// NamedType cachedType = cache.keyspace(type.getKeyspace()).type(typeName);
// cachedType.computeAlias(type, remapper::nameFor);
//// model.renameType(type.getKeyspace(), typeName, alias);
//
//// Function<String, String> colmapper = remapper.mapperForType(type, "typ");
// Map<String, String> newdefs = new LinkedHashMap<>();
//
// Set<String> keys = type.getFields().keySet();
// for (String key : keys) {
// NamedColumn cachedColdef = cache.keyspace(type.getKeyspace()).type(typeName).column(key);
// cachedColdef.computeAlias(Map.of("type", "column", "name", key), remapper::nameFor);
//// String def = type.getFields().get(key);
//// newdefs.put(colalias, def);
//// type.setFields(newdefs);
// }
// }
if (mapfile!=null) {
cache.setPath(mapfile);
cache.Save();
}
return model;
}
@Override
public void setName(String name) {
this.name = name;
}
@Override
public void applyConfig(NBConfiguration cfg) {
String namer = cfg.get("namer");
DataMapper<String> namerFunc = VirtData.getMapper(namer);
this.remapper.setNamingFunction(namerFunc);
this.mapfile = cfg.getOptional("mapfile").orElse(null);
}
@Override
public NBConfigModel getConfigModel() {
return ConfigModel.of(CGNameObfuscator.class)
.add(Param.defaultTo("namer", "Combinations('0-9;0-9;0-9;0-9;0-9')"))
.add(Param.optional("mapfile", String.class))
.asReadOnly();
}
@Override
public String getName() {
return this.name;
}
}