com.hazelcast.shaded.org.apache.calcite.model.JsonCustomTable Maven / Gradle / Ivy
/*
* 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 com.hazelcast.shaded.org.apache.calcite.model;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.hazelcast.shaded.org.checkerframework.checker.nullness.qual.Nullable;
import java.util.Map;
import static java.util.Objects.requireNonNull;
/**
* Custom table schema element.
*
* Like base class {@link JsonTable},
* occurs within {@link JsonMapSchema#tables}.
*
* @see JsonRoot Description of schema elements
*/
public class JsonCustomTable extends JsonTable {
/** Name of the factory class for this table.
*
*
Required. Must implement interface
* {@link com.hazelcast.shaded.org.apache.calcite.schema.TableFactory} and have a public default
* constructor.
*/
public final String factory;
/** Contains attributes to be passed to the factory.
*
*
May be a JSON object (represented as Map) or null.
*/
public final @Nullable Map operand;
@JsonCreator
public JsonCustomTable(
@JsonProperty(value = "name", required = true) String name,
@JsonProperty("stream") JsonStream stream,
@JsonProperty(value = "factory", required = true) String factory,
@JsonProperty("operand") @Nullable Map operand) {
super(name, stream);
this.factory = requireNonNull(factory, "factory");
this.operand = operand;
}
@Override public void accept(ModelHandler handler) {
handler.visit(this);
}
}