hivesterix/hivesterix-runtime/src/main/java/edu/uci/ics/hivesterix/runtime/provider/HiveNormalizedKeyComputerFactoryProvider.java

package edu.uci.ics.hivesterix.runtime.provider;

import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;

import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveDoubleAscNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveDoubleDescNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveIntegerAscNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveIntegerDescNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveLongAscNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveLongDescNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveStringAscNormalizedKeyComputerFactory;
import edu.uci.ics.hivesterix.runtime.factory.normalize.HiveStringDescNormalizedKeyComputerFactory;
import edu.uci.ics.hyracks.algebricks.data.INormalizedKeyComputerFactoryProvider;
import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;

public class HiveNormalizedKeyComputerFactoryProvider implements INormalizedKeyComputerFactoryProvider {

    public static final HiveNormalizedKeyComputerFactoryProvider INSTANCE = new HiveNormalizedKeyComputerFactoryProvider();

    private HiveNormalizedKeyComputerFactoryProvider() {
    }

    @Override
    public INormalizedKeyComputerFactory getNormalizedKeyComputerFactory(Object type, boolean ascending) {
        if (ascending) {
            if (type.equals(TypeInfoFactory.stringTypeInfo)) {
                return new HiveStringAscNormalizedKeyComputerFactory();
            } else if (type.equals(TypeInfoFactory.intTypeInfo)) {
                return new HiveIntegerAscNormalizedKeyComputerFactory();
            } else if (type.equals(TypeInfoFactory.longTypeInfo)) {
                return new HiveLongAscNormalizedKeyComputerFactory();
            } else if (type.equals(TypeInfoFactory.doubleTypeInfo)) {
                return new HiveDoubleAscNormalizedKeyComputerFactory();
            } else {
                return null;
            }
        } else {
            if (type.equals(TypeInfoFactory.stringTypeInfo)) {
                return new HiveStringDescNormalizedKeyComputerFactory();
            } else if (type.equals(TypeInfoFactory.intTypeInfo)) {
                return new HiveIntegerDescNormalizedKeyComputerFactory();
            } else if (type.equals(TypeInfoFactory.longTypeInfo)) {
                return new HiveLongDescNormalizedKeyComputerFactory();
            } else if (type.equals(TypeInfoFactory.doubleTypeInfo)) {
                return new HiveDoubleDescNormalizedKeyComputerFactory();
            } else {
                return null;
            }
        }
    }
}