com.hazelcast.org.apache.calcite.runtime.Bindable Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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package com.hazelcast.org.apache.calcite.runtime;
import com.hazelcast.org.apache.calcite.DataContext;
import com.hazelcast.org.apache.calcite.linq4j.Enumerable;
/**
* Statement that can be bound to a {@link DataContext} and then executed.
*
* @param Element type of the resulting enumerable
*/
public interface Bindable {
/**
* Executes this statement and returns an enumerable which will yield rows.
* The {@code environment} parameter provides the values in the root of the
* environment (usually schemas).
*
* @param dataContext Environment that provides tables
* @return Enumerable over rows
*/
Enumerable bind(DataContext dataContext);
}