com.hazelcast.org.apache.calcite.rel.mutable.MutableCalc Maven / Gradle / Ivy
/*
* 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 com.hazelcast.org.apache.calcite.rel.mutable;
import com.hazelcast.org.apache.calcite.rex.RexProgram;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
import java.util.Objects;
/** Mutable equivalent of {@link com.hazelcast.org.apache.calcite.rel.core.Calc}. */
public class MutableCalc extends MutableSingleRel {
public final RexProgram program;
private MutableCalc(MutableRel input, RexProgram program) {
super(MutableRelType.CALC, program.getOutputRowType(), input);
this.program = program;
}
/**
* Creates a MutableCalc.
*
* @param input Input relational expression
* @param program Calc program
*/
public static MutableCalc of(MutableRel input, RexProgram program) {
return new MutableCalc(input, program);
}
@Override public boolean equals(@Nullable Object obj) {
return obj == this
|| obj instanceof MutableCalc
&& MutableRel.STRING_EQUIVALENCE.equivalent(
program, ((MutableCalc) obj).program)
&& input.equals(((MutableCalc) obj).input);
}
@Override public int hashCode() {
return Objects.hash(input,
MutableRel.STRING_EQUIVALENCE.hash(program));
}
@Override public StringBuilder digest(StringBuilder buf) {
return buf.append("Calc(program: ").append(program).append(")");
}
@Override public MutableRel clone() {
return MutableCalc.of(input.clone(), program);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy