com.hazelcast.org.apache.calcite.plan.RelOptRuleOperandChildren 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.plan;
import com.hazelcast.com.google.common.collect.ImmutableList;
import java.util.List;
/**
* Children of a {@link com.hazelcast.org.apache.calcite.plan.RelOptRuleOperand} and the
* policy for matching them.
*
* Often created by calling one of the following methods:
* {@link RelOptRule#some},
* {@link RelOptRule#none},
* {@link RelOptRule#any},
* {@link RelOptRule#unordered}.
*
* @deprecated Use {@link RelRule.OperandBuilder}
*/
@Deprecated // to be removed before 2.0
public class RelOptRuleOperandChildren {
static final RelOptRuleOperandChildren ANY_CHILDREN =
new RelOptRuleOperandChildren(
RelOptRuleOperandChildPolicy.ANY,
ImmutableList.of());
static final RelOptRuleOperandChildren LEAF_CHILDREN =
new RelOptRuleOperandChildren(
RelOptRuleOperandChildPolicy.LEAF,
ImmutableList.of());
final RelOptRuleOperandChildPolicy policy;
final ImmutableList operands;
public RelOptRuleOperandChildren(
RelOptRuleOperandChildPolicy policy,
List operands) {
this.policy = policy;
this.operands = ImmutableList.copyOf(operands);
}
}