/*
* Licensed 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.facebook.presto.hive.metastore;
import com.facebook.presto.hive.HiveType;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import javax.annotation.concurrent.Immutable;
import java.util.Optional;
import static com.google.common.base.MoreObjects.toStringHelper;
import static java.util.Objects.requireNonNull;
@Immutable
public class Column
{
private final String name;
private final HiveType type;
private final Optional<String> comment;
@JsonCreator
public Column(
@JsonProperty("name") String name,
@JsonProperty("type") HiveType type,
@JsonProperty("comment") Optional<String> comment)
{
this.name = requireNonNull(name, "name is null");
this.type = requireNonNull(type, "type is null");
this.comment = requireNonNull(comment, "comment is null");
}
@JsonProperty
public String getName()
{
return name;
}
@JsonProperty
public HiveType getType()
{
return type;
}
@JsonProperty
public Optional<String> getComment()
{
return comment;
}
@Override
public String toString()
{
return toStringHelper(this)
.add("name", name)
.add("type", type)
.toString();
}
}