/*
* 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.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import javax.annotation.Nullable;
public class ObjectLiteral extends Literal {
private final Multimap<String, Expression> values;
public ObjectLiteral(@Nullable Multimap<String, Expression> values) {
if (values == null) {
this.values = ImmutableMultimap.of();
} else {
this.values = values;
if (values.size() != values.keySet().size()) {
throw new IllegalArgumentException("object contains duplicate keys: " + values);
}
}
}
public Multimap<String, Expression> values() {
return values;
}
@Override
public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
return visitor.visitObjectLiteral(this, context);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ObjectLiteral that = (ObjectLiteral) o;
if (!values.equals(that.values)) return false;
return true;
}
@Override
public int hashCode() {
return values.hashCode();
}
}