/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.sql.tree;
import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import java.util.Optional;
public class ClusteredBy extends CrateTableOption {
private final Optional<Expression> column;
private final Optional<Expression> numberOfShards;
public ClusteredBy(Optional<Expression> column, Optional<Expression> numberOfShards) {
this.column = column;
this.numberOfShards = numberOfShards;
}
public Optional<Expression> column() {
return column;
}
public Optional<Expression> numberOfShards() {
return numberOfShards;
}
@Override
public int hashCode() {
return Objects.hashCode(column, numberOfShards);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ClusteredBy that = (ClusteredBy) o;
if (!numberOfShards.equals(that.numberOfShards)) return false;
if (!column.equals(that.column)) return false;
return true;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("column", column)
.add("number of shards", numberOfShards).toString();
}
@Override
public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
return visitor.visitClusteredBy(this, context);
}
}