/* * 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.Objects; import java.util.Locale; /** * columntype that contains many values of a single type */ public class CollectionColumnType extends ColumnType { private final ColumnType innerType; public static CollectionColumnType array(ColumnType innerType) { return new CollectionColumnType(innerType, Type.ARRAY); } public static CollectionColumnType set(ColumnType innerType) { return new CollectionColumnType(innerType, Type.SET); } private CollectionColumnType(ColumnType innerType, Type type) { super(type.name().toUpperCase(Locale.ENGLISH), type); this.innerType = innerType; } public ColumnType innerType() { return innerType; } @Override public int hashCode() { return Objects.hashCode(name, type, innerType); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; if (!super.equals(o)) return false; CollectionColumnType that = (CollectionColumnType) o; if (!innerType.equals(that.innerType)) return false; return true; } @Override public <R, C> R accept(AstVisitor<R, C> visitor, C context) { return visitor.visitCollectionColumnType(this, context); } }