/*
* 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.cassandra.cql3.statements;
import java.util.*;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.ColumnDefinition;
import org.apache.cassandra.db.index.SecondaryIndex;
import org.apache.cassandra.exceptions.*;
public class IndexPropDefs extends PropertyDefinitions
{
public static final String KW_OPTIONS = "options";
public static final Set<String> keywords = new HashSet<>();
public static final Set<String> obsoleteKeywords = new HashSet<>();
public boolean isCustom;
public String customClass;
static
{
keywords.add(KW_OPTIONS);
}
public void validate(CFMetaData metadata) throws RequestValidationException
{
validate(keywords, obsoleteKeywords);
if (isCustom && customClass == null)
throw new InvalidRequestException("CUSTOM index requires specifiying the index class");
if (!isCustom && customClass != null)
throw new InvalidRequestException("Cannot specify index class for a non-CUSTOM index");
if (!isCustom && !properties.isEmpty())
throw new InvalidRequestException("Cannot specify options for a non-CUSTOM index");
if (getRawOptions().containsKey(SecondaryIndex.CUSTOM_INDEX_OPTION_NAME))
throw new InvalidRequestException(String.format("Cannot specify %s as a CUSTOM option",
SecondaryIndex.CUSTOM_INDEX_OPTION_NAME));
if (isCustom)
{
try
{
Class<? extends SecondaryIndex> clazz = Class.forName(customClass).asSubclass(SecondaryIndex.class);
SecondaryIndex secondaryIndex = clazz.newInstance();
secondaryIndex.validate(metadata, getOptions());
}
catch (ClassNotFoundException | IllegalAccessException | InstantiationException e)
{
throw new InvalidRequestException("Class not found");
}
catch (Exception e)
{
throw new InvalidRequestException(e.getMessage());
}
}
}
public Map<String, String> getRawOptions() throws SyntaxException
{
Map<String, String> options = getMap(KW_OPTIONS);
return options == null ? Collections.<String, String>emptyMap() : options;
}
public Map<String, String> getOptions() throws SyntaxException
{
Map<String, String> options = new HashMap<>(getRawOptions());
options.put(SecondaryIndex.CUSTOM_INDEX_OPTION_NAME, customClass);
return options;
}
}