com.datastax.oss.driver.internal.querybuilder.term.OppositeTerm Maven / Gradle / Ivy
/*
* Copyright DataStax, 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://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 com.datastax.oss.driver.internal.querybuilder.term;
import com.datastax.oss.driver.api.querybuilder.term.Term;
import com.datastax.oss.driver.internal.querybuilder.ArithmeticOperator;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import edu.umd.cs.findbugs.annotations.NonNull;
import net.jcip.annotations.Immutable;
@Immutable
public class OppositeTerm extends ArithmeticTerm {
@NonNull private final Term argument;
public OppositeTerm(@NonNull Term argument) {
super(ArithmeticOperator.OPPOSITE);
Preconditions.checkNotNull(argument);
this.argument = argument;
}
@Override
public void appendTo(@NonNull StringBuilder builder) {
builder.append('-');
appendAndMaybeParenthesize(operator.getPrecedenceLeft(), argument, builder);
}
@Override
public boolean isIdempotent() {
return argument.isIdempotent();
}
@NonNull
public Term getArgument() {
return argument;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof OppositeTerm) {
OppositeTerm that = (OppositeTerm) other;
return this.argument.equals(that.argument);
} else {
return false;
}
}
@Override
public int hashCode() {
return argument.hashCode();
}
}