/*
* 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 javax.annotation.Nullable;
import java.util.Optional;
import static com.google.common.base.Preconditions.checkNotNull;
public class CurrentTime extends Expression {
private final Type type;
private final Optional<Integer> precision;
public enum Type {
TIME,
DATE,
TIMESTAMP
}
public CurrentTime(Type type) {
this(type, null);
}
public CurrentTime(Type type, @Nullable Integer precision) {
checkNotNull(type, "type is null");
this.type = type;
this.precision = Optional.ofNullable(precision);
}
public Type getType() {
return type;
}
public Optional<Integer> getPrecision() {
return precision;
}
@Override
public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
return visitor.visitCurrentTime(this, context);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
CurrentTime that = (CurrentTime) o;
if (!precision.equals(that.precision)) {
return false;
}
if (type != that.type) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = type.hashCode();
result = 31 * result + precision.hashCode();
return result;
}
}