asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/base/AsterixOptimizationContext.java

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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
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package org.apache.asterix.optimizer.base;

import java.util.HashSet;
import java.util.Set;

import org.apache.asterix.metadata.declared.DataSource;
import org.apache.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
import org.apache.hyracks.algebricks.core.algebra.expressions.IConflictingTypeResolver;
import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionEvalSizeComputer;
import org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionTypeComputer;
import org.apache.hyracks.algebricks.core.algebra.expressions.IMergeAggregationExpressionFactory;
import org.apache.hyracks.algebricks.core.algebra.expressions.IMissableTypeComputer;
import org.apache.hyracks.algebricks.core.algebra.prettyprint.IPlanPrettyPrinter;
import org.apache.hyracks.algebricks.core.rewriter.base.AlgebricksOptimizationContext;
import org.apache.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
import org.apache.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
import org.apache.hyracks.api.exceptions.IWarningCollector;

import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;

public final class AsterixOptimizationContext extends AlgebricksOptimizationContext {

    private final Int2ObjectOpenHashMap<Set<DataSource>> dataSourceMap;

    public AsterixOptimizationContext(IOptimizationContextFactory optContextFactory, int varCounter,
            IExpressionEvalSizeComputer expressionEvalSizeComputer,
            IMergeAggregationExpressionFactory mergeAggregationExpressionFactory,
            IExpressionTypeComputer expressionTypeComputer, IMissableTypeComputer nullableTypeComputer,
            IConflictingTypeResolver conflictingTypeResovler, PhysicalOptimizationConfig physicalOptimizationConfig,
            AlgebricksPartitionConstraint clusterLocations, IPlanPrettyPrinter prettyPrinter,
            IWarningCollector warningCollector) {
        super(optContextFactory, varCounter, expressionEvalSizeComputer, mergeAggregationExpressionFactory,
                expressionTypeComputer, nullableTypeComputer, conflictingTypeResovler, physicalOptimizationConfig,
                clusterLocations, prettyPrinter, warningCollector);
        dataSourceMap = new Int2ObjectOpenHashMap<>();
    }

    public AsterixOptimizationContext(AsterixOptimizationContext from) {
        super(from);
        dataSourceMap = from.dataSourceMap.clone();
    }

    public void addDataSource(DataSource dataSource) {
        byte type = dataSource.getDatasourceType();
        Set<DataSource> set = dataSourceMap.get(type);
        if (set == null) {
            set = new HashSet<>();
            dataSourceMap.put(type, set);
        }
        set.add(dataSource);
    }

    public Int2ObjectMap<Set<DataSource>> getDataSourceMap() {
        return dataSourceMap;
    }
}