hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/ReplicateOperator.java

/*
 * 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.hyracks.algebricks.core.algebra.operators.logical;

import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
import org.apache.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
import org.apache.hyracks.algebricks.core.algebra.visitors.ILogicalOperatorVisitor;

public class ReplicateOperator extends AbstractReplicateOperator {

    public ReplicateOperator(int outputArity) {
        super(outputArity);
    }

    public ReplicateOperator(int outputArity, boolean[] outputMaterializationFlags) {
        super(outputArity, outputMaterializationFlags);
    }

    @Override
    public LogicalOperatorTag getOperatorTag() {
        return LogicalOperatorTag.REPLICATE;
    }

    @Override
    public <R, T> R accept(ILogicalOperatorVisitor<R, T> visitor, T arg) throws AlgebricksException {
        return visitor.visitReplicateOperator(this, arg);
    }

    public boolean isBlocker() {
        for (boolean requiresMaterialization : outputMaterializationFlags) {
            if (requiresMaterialization) {
                return true;
            }
        }
        return false;
    }
}