fullstack/hivesterix/hivesterix-runtime/src/main/java/edu/uci/ics/hivesterix/runtime/jobgen/HiveDataSource.java

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

import java.util.List;

import org.apache.hadoop.hive.ql.plan.PartitionDesc;

import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSource;
import edu.uci.ics.hyracks.algebricks.core.algebra.metadata.IDataSourcePropertiesProvider;
import edu.uci.ics.hyracks.algebricks.core.algebra.properties.FunctionalDependency;

public class HiveDataSource<P> implements IDataSource<P> {

    private P source;

    private Object[] schema;

    public HiveDataSource(P dataSource, Object[] sourceSchema) {
        source = dataSource;
        schema = sourceSchema;
    }

    @Override
    public P getId() {
        return source;
    }

    @Override
    public Object[] getSchemaTypes() {
        return schema;
    }

    @Override
    public void computeFDs(List<LogicalVariable> scanVariables, List<FunctionalDependency> fdList) {
    }

    @Override
    public IDataSourcePropertiesProvider getPropertiesProvider() {
        return new HiveDataSourcePartitioningProvider();
    }

    @Override
    public String toString() {
        PartitionDesc desc = (PartitionDesc) source;
        return desc.getTableName();
    }
}