com.hazelcast.sql.impl.expression.TriExpression Maven / Gradle / Ivy
/*
* Copyright 2024 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.sql.impl.expression;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import java.io.IOException;
import java.util.Objects;
/**
* Expression with three operands.
*/
public abstract class TriExpression implements Expression {
protected Expression> operand1;
protected Expression> operand2;
protected Expression> operand3;
protected TriExpression() {
// No-op.
}
protected TriExpression(Expression> operand1, Expression> operand2, Expression> operand3) {
this.operand1 = operand1;
this.operand2 = operand2;
this.operand3 = operand3;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeObject(operand1);
out.writeObject(operand2);
out.writeObject(operand3);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
operand1 = in.readObject();
operand2 = in.readObject();
operand3 = in.readObject();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
TriExpression> that = (TriExpression>) o;
return Objects.equals(operand1, that.operand1)
&& Objects.equals(operand2, that.operand2)
&& Objects.equals(operand3, that.operand3);
}
@Override
public int hashCode() {
int result = operand1 != null ? operand1.hashCode() : 0;
result = 31 * result + (operand2 != null ? operand2.hashCode() : 0);
result = 31 * result + (operand3 != null ? operand3.hashCode() : 0);
return result;
}
@SuppressWarnings("checkstyle:BooleanExpressionComplexity")
@Override
public boolean isCooperative() {
return (operand1 == null || operand1.isCooperative())
&& (operand2 == null || operand2.isCooperative())
&& (operand3 == null || operand3.isCooperative());
}
}
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