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A fork of the Apache Cassandra Project ready to embed Elasticsearch.
/*
* 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.functions;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
import java.util.List;
import com.datastax.driver.core.CodecRegistry;
import com.datastax.driver.core.DataType;
import com.datastax.driver.core.ProtocolVersion;
import com.datastax.driver.core.TypeCodec;
import com.datastax.driver.core.exceptions.InvalidTypeException;
import org.apache.cassandra.cql3.CQL3Type;
import org.apache.cassandra.db.marshal.AbstractType;
import org.apache.cassandra.transport.Server;
/**
* Helper class for User Defined Functions + Aggregates.
*/
public final class UDHelper
{
// TODO make these c'tors and methods public in Java-Driver - see https://datastax-oss.atlassian.net/browse/JAVA-502
private static final MethodHandle methodParseOne;
private static final CodecRegistry codecRegistry;
static
{
try
{
Class cls = Class.forName("com.datastax.driver.core.DataTypeClassNameParser");
Method m = cls.getDeclaredMethod("parseOne", String.class, ProtocolVersion.class, CodecRegistry.class);
m.setAccessible(true);
methodParseOne = MethodHandles.lookup().unreflect(m);
codecRegistry = new CodecRegistry();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
static TypeCodec