flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/context/ExecutionContextImpl.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.flink.table.runtime.context;

import org.apache.flink.api.common.functions.RuntimeContext;
import org.apache.flink.streaming.api.operators.AbstractStreamOperator;
import org.apache.flink.table.data.RowData;
import org.apache.flink.util.Preconditions;

/** Implementation of ExecutionContext. */
public final class ExecutionContextImpl implements ExecutionContext {

    private final AbstractStreamOperator<?> operator;
    private final RuntimeContext runtimeContext;

    public ExecutionContextImpl(AbstractStreamOperator<?> operator, RuntimeContext runtimeContext) {
        this.operator = operator;
        this.runtimeContext = Preconditions.checkNotNull(runtimeContext);
    }

    @Override
    public RowData currentKey() {
        return (RowData) operator.getCurrentKey();
    }

    @Override
    public void setCurrentKey(RowData key) {
        operator.setCurrentKey(key);
    }

    @Override
    public RuntimeContext getRuntimeContext() {
        return runtimeContext;
    }
}