exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/CreateTableEntry.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.drill.exec.planner.logical;

import java.io.IOException;
import java.util.List;

import org.apache.drill.exec.physical.base.PhysicalOperator;
import org.apache.drill.exec.physical.base.Writer;

import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
import com.fasterxml.jackson.annotation.JsonTypeInfo;

/**
 * Interface that provides the info needed to create a new table. A storage engine
 * which supports creating new tables, should implement this interface.
 */
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property="type")
@JsonSubTypes({ // TODO: hack until we merge "common" and "java-exec" modules (DRILL-507).
    @Type(name = "filesystem", value = FileSystemCreateTableEntry.class)
})
public interface CreateTableEntry {

  Writer getWriter(PhysicalOperator child) throws IOException;

  List<String> getPartitionColumns();
}