com.amazonaws.services.dynamodbv2.xspec.ComparatorCondition Maven / Gradle / Ivy
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/*
* Copyright 2015-2024 Amazon Technologies, Inc.
*
* Licensed 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://aws.amazon.com/apache2.0
*
* This file 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 com.amazonaws.services.dynamodbv2.xspec;
import com.amazonaws.annotation.Beta;
/**
* Represents a Comparator condition in building condition expression.
*
* Underlying grammar:
*
*
* operand comparator_symbol operand
*
* comparator_symbol ::=
* =
* | <>
* | <
* | <=
* | >
* | >=
*
*
* This object is as immutable (or unmodifiable) as the underlying operands.
*/
@Beta
public final class ComparatorCondition extends Condition {
private final String comparator;
private final Operand lhs;
private final Operand rhs;
ComparatorCondition(String comparator, Operand lhs, Operand rhs) {
this.comparator = comparator;
this.lhs = lhs;
this.rhs = rhs;
}
@Override
String asSubstituted(SubstitutionContext context) {
return lhs.asSubstituted(context) + " " + comparator + " "
+ rhs.asSubstituted(context);
}
@Override
boolean atomic() {
return true;
}
@Override
int precedence() {
return Precedence.Comparator.value();
}
}