package edu.brown.benchmark.mapreduce;
import java.lang.reflect.Field;
import org.apache.log4j.Logger;
import org.voltdb.CatalogContext;
import org.voltdb.VoltTable;
import org.voltdb.VoltType;
import org.voltdb.catalog.Cluster;
import org.voltdb.catalog.Column;
import org.voltdb.catalog.Table;
import org.voltdb.client.ClientResponse;
import edu.brown.BaseTestCase;
import edu.brown.catalog.CatalogUtil;
import edu.brown.utils.ProjectType;
public class TestMapReduceLoader extends BaseTestCase {
private static final Logger LOG = Logger.getLogger(TestMapReduceLoader.class);
protected static final double SCALE_FACTOR = 0.03;
protected MapReduceLoader loader;
protected Long current_tablesize;
protected Long current_batchsize;
protected Long total_rows = 0l;
@Override
protected void setUp() throws Exception {
super.setUp(ProjectType.MAPREDUCE);
String args[] = {
"client.scalefactor=" + SCALE_FACTOR,
"NOCONNECTIONS=true",
"NOUPLOADING=true",
};
this.loader = new MapReduceLoader(args) {
@Override
public ClientResponse loadVoltTable(String tablename, VoltTable table) {
LOG.info("LOAD TABLE: " + tablename + " [" +
"tablesize=" + TestMapReduceLoader.this.current_tablesize + "," +
"batchsize=" + TestMapReduceLoader.this.current_batchsize + "," +
"num_rows=" + table.getRowCount() + "," +
"total_rows=" + TestMapReduceLoader.this.total_rows + "]");
assertNotNull("Got null VoltTable object for table '" + tablename + "'", table);
// Simple checks
int num_rows = table.getRowCount();
TestMapReduceLoader.this.total_rows += num_rows;
assert(num_rows > 0);
assert(num_rows <= TestMapReduceLoader.this.current_batchsize);
assert(TestMapReduceLoader.this.total_rows <= TestMapReduceLoader.this.current_tablesize) :
String.format("%d <= %d", total_rows, current_tablesize);
// VARCHAR Column checks
Table catalog_tbl = TestMapReduceLoader.this.getTable(tablename);
table.resetRowPosition();
while (table.advanceRow()) {
int row = table.getActiveRowIndex();
for (Column catalog_col : catalog_tbl.getColumns()) {
int index = catalog_col.getIndex();
VoltType col_type = VoltType.get(catalog_col.getType());
switch (col_type) {
case TINYINT:
case SMALLINT:
case INTEGER: {
// TODO
break;
}
case BIGINT: {
long value = table.getLong(index);
assert(value < Long.MAX_VALUE);
break;
}
case STRING: {
Cluster catalog_clus = CatalogUtil.getCluster(catalog);
// Host catalog_host = catalog_clus.getHosts().get("XYZ");
// List<Site> catalog_sites = CatalogUtil.getSitesForHost(catalog_host);
// catalog_sites.get(0).getPartitions();
// int a_id = 20;
// TheHashinator.hashToPartition(a_id, catalog_clus.getNum_partitions());
int length = catalog_col.getSize();
String value = table.getString(index);
assertNotNull("The value in " + catalog_col + " at row " + row + " is null", value);
assertTrue("The value in " + catalog_col + " at row " + row + " is " + value.length() + ". Max is " + length,
value.length() <= length);
break;
}
case TIMESTAMP: {
// TODO
break;
}
default:
assert(false) :
"Unexpected type " + col_type + " for column " + catalog_col.getName() + " for row " + row;
} // SWITCH
} // FOR
} // WHILE
// if (true || tablename.equals(MapReduceConstants.TABLENAME_TABLEB)) LOG.info(table);
table.resetRowPosition();
return (null);
}
@Override
public CatalogContext getCatalogContext() {
return BaseTestCase.catalogContext;
}
};
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
// assert(this.total_rows == this.current_tablesize);
}
protected void setCurrentTable(String tablename) throws Exception {
LOG.debug("Retrieving attributes for table '" + tablename + "'");
String field_name = "TABLESIZE_" + tablename;
Field field_handle = MapReduceConstants.class.getField(field_name);
assertNotNull(field_handle);
this.current_tablesize = Math.round((Long)field_handle.get(null) * SCALE_FACTOR);
field_name = "BATCHSIZE_" + tablename;
field_handle = MapReduceConstants.class.getField(field_name);
assertNotNull(field_handle);
this.current_batchsize = (Long)field_handle.get(null);
this.total_rows = 0l;
}
/**
* testGenerateTABLEA
*/
public void testGenerateTABLEA() throws Exception {
this.setCurrentTable(MapReduceConstants.TABLENAME_TABLEA);
this.loader.generateTableData(MapReduceConstants.TABLENAME_TABLEA);
}
/**
* testGenerateTABLEB
*/
public void testGenerateTABLEB() throws Exception {
this.setCurrentTable(MapReduceConstants.TABLENAME_TABLEB);
// this.loader.generateTableData(MapReduceConstants.TABLENAME_TABLEB);
}
}