test/unit/org/apache/cassandra/cql3/validation/entities/udfverify/UsingMapEntry.java

/*
 * 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.validation.entities.udfverify;

import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.datastax.driver.core.TypeCodec;
import org.apache.cassandra.cql3.functions.JavaUDF;
import org.apache.cassandra.cql3.functions.UDFContext;
import org.apache.cassandra.transport.ProtocolVersion;

/**
 * Used by {@link org.apache.cassandra.cql3.validation.entities.UFVerifierTest}.
 */
public final class UsingMapEntry extends JavaUDF
{
    public UsingMapEntry(TypeCodec<Object> returnDataType, TypeCodec<Object>[] argDataTypes, UDFContext udfContext)
    {
        super(returnDataType, argDataTypes, udfContext);
    }

    protected Object executeAggregateImpl(ProtocolVersion protocolVersion, Object firstParam, List<ByteBuffer> params)
    {
        throw new UnsupportedOperationException();
    }

    protected ByteBuffer executeImpl(ProtocolVersion protocolVersion, List<ByteBuffer> params)
    {
        Map<String, String> map = new HashMap<>();
        // Map.Entry is passed in as an "inner class usage"
        for (Map.Entry<String, String> stringStringEntry : map.entrySet())
        {

        }
        return null;
    }
}