/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.
*/
package org.apache.tajo.algebra;
import com.google.common.base.Objects;
public class LiteralValue extends Expr {
protected LiteralType valueType;
protected String value;
public static enum LiteralType {
Boolean,
String,
Unsigned_Integer,
Unsigned_Float,
Unsigned_Large_Integer,
}
public LiteralValue(String value, LiteralType valueType) {
super(OpType.Literal);
this.value = value;
this.valueType = valueType;
}
public LiteralType getValueType() {
return this.valueType;
}
public String getValue() {
return this.value;
}
public int hashCode() {
return Objects.hashCode(valueType, value);
}
public boolean equalsTo(Expr expr) {
LiteralValue another = (LiteralValue) expr;
boolean a = valueType.equals(another.valueType);
boolean b = value.equals(another.value);
return a && b;
}
public String toString() {
StringBuilder sb = new StringBuilder(valueType == LiteralType.String ? "'" + value + "'" : value);
sb.append("(").append(valueType).append(")");
return sb.toString();
}
}