| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.tests.spillable; |
| |
| import java.io.File; |
| |
| import org.junit.Test; |
| |
| import edu.uci.ics.hyracks.api.constraints.AbsoluteLocationConstraint; |
| import edu.uci.ics.hyracks.api.constraints.ExplicitPartitionConstraint; |
| import edu.uci.ics.hyracks.api.constraints.LocationConstraint; |
| import edu.uci.ics.hyracks.api.constraints.PartitionConstraint; |
| import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor; |
| import edu.uci.ics.hyracks.api.io.FileReference; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.dataflow.common.data.comparators.IntegerBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.comparators.UTF8StringBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.hash.IntegerBinaryHashFunctionFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.hash.UTF8StringBinaryHashFunctionFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory; |
| import edu.uci.ics.hyracks.dataflow.std.aggregators.CountAggregatorFactory; |
| import edu.uci.ics.hyracks.dataflow.std.aggregators.IFieldValueResultingAggregatorFactory; |
| import edu.uci.ics.hyracks.dataflow.std.aggregators.MinMaxAggregatorFactory; |
| import edu.uci.ics.hyracks.dataflow.std.aggregators.MultiAggregatorFactory; |
| import edu.uci.ics.hyracks.dataflow.std.aggregators.SumAggregatorFactory; |
| import edu.uci.ics.hyracks.dataflow.std.connectors.MToNHashPartitioningConnectorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider; |
| import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory; |
| import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.file.FileSplit; |
| import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider; |
| import edu.uci.ics.hyracks.dataflow.std.group.ExternalHashGroupOperatorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.group.HashGroupOperatorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.misc.PrinterOperatorDescriptor; |
| import edu.uci.ics.hyracks.tests.integration.AbstractIntegrationTest; |
| |
| /** |
| * Test cases for external hash group operator. |
| */ |
| public class ExternalAggregateTest extends AbstractIntegrationTest { |
| |
| /** |
| * Test 01: aggregate (count) on single field, on a simple data set. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void externalAggregateTestSingleFieldSimpleData() throws Exception { |
| JobSpecification spec = new JobSpecification(); |
| |
| IFileSplitProvider splitProvider = new ConstantFileSplitProvider(new FileSplit[] { |
| new FileSplit(NC2_ID, new FileReference(new File("data/wordcount.tsv"))), |
| new FileSplit(NC1_ID, new FileReference(new File("data/wordcount.tsv"))) }); |
| |
| // Input format: a string field as the key |
| RecordDescriptor desc = new RecordDescriptor( |
| new ISerializerDeserializer[] { UTF8StringSerializerDeserializer.INSTANCE }); |
| |
| // Output format: a string field as the key, and an integer field as the |
| // count |
| RecordDescriptor outputRec = new RecordDescriptor(new ISerializerDeserializer[] { |
| UTF8StringSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE }); |
| |
| // Data set format: word(string),count(int) |
| FileScanOperatorDescriptor csvScanner = new FileScanOperatorDescriptor( |
| spec, |
| splitProvider, |
| new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE }, ','), |
| desc); |
| PartitionConstraint csvPartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { |
| new AbsoluteLocationConstraint(NC2_ID), new AbsoluteLocationConstraint(NC1_ID) }); |
| csvScanner.setPartitionConstraint(csvPartitionConstraint); |
| |
| int[] keys = new int[] { 0 }; |
| int tableSize = 8; |
| |
| ExternalHashGroupOperatorDescriptor grouper = new ExternalHashGroupOperatorDescriptor( |
| spec, // Job conf |
| keys, // Group key |
| 3, // Number of frames |
| false, // Whether to sort the output |
| // Hash partitioner |
| new FieldHashPartitionComputerFactory(keys, |
| new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }), |
| // Key comparator |
| new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE }, |
| // Aggregator factory |
| new MultiAggregatorFactory(new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory() }), |
| outputRec, // Output format |
| tableSize // Size of the hashing table, which is used to control |
| // the partition when hashing |
| ); |
| |
| PartitionConstraint grouperPartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { |
| new AbsoluteLocationConstraint(NC2_ID), new AbsoluteLocationConstraint(NC1_ID) }); |
| grouper.setPartitionConstraint(grouperPartitionConstraint); |
| |
| IConnectorDescriptor conn1 = new MToNHashPartitioningConnectorDescriptor(spec, |
| new FieldHashPartitionComputerFactory(keys, |
| new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE })); |
| spec.connect(conn1, csvScanner, 0, grouper, 0); |
| |
| PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec); |
| PartitionConstraint printerPartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { |
| new AbsoluteLocationConstraint(NC2_ID), new AbsoluteLocationConstraint(NC1_ID) }); |
| printer.setPartitionConstraint(printerPartitionConstraint); |
| |
| IConnectorDescriptor conn2 = new OneToOneConnectorDescriptor(spec); |
| spec.connect(conn2, grouper, 0, printer, 0); |
| |
| spec.addRoot(printer); |
| runTest(spec); |
| } |
| |
| /** |
| * Test 02: Control experiment using in-memory aggregator, on the same data |
| * set of {@link #externalAggregateTest01()} |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void externalAggregateTestSingleFieldSimpleDataInMemControl() throws Exception { |
| JobSpecification spec = new JobSpecification(); |
| |
| IFileSplitProvider splitProvider = new ConstantFileSplitProvider(new FileSplit[] { |
| new FileSplit(NC2_ID, new FileReference(new File("data/wordcount.tsv"))), |
| new FileSplit(NC1_ID, new FileReference(new File("data/wordcount.tsv"))) }); |
| |
| RecordDescriptor desc = new RecordDescriptor( |
| new ISerializerDeserializer[] { UTF8StringSerializerDeserializer.INSTANCE }); |
| |
| RecordDescriptor outputRec = new RecordDescriptor(new ISerializerDeserializer[] { |
| UTF8StringSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE }); |
| |
| FileScanOperatorDescriptor csvScanner = new FileScanOperatorDescriptor( |
| spec, |
| splitProvider, |
| new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE }, ','), |
| desc); |
| PartitionConstraint csvPartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { |
| new AbsoluteLocationConstraint(NC2_ID), new AbsoluteLocationConstraint(NC1_ID) }); |
| csvScanner.setPartitionConstraint(csvPartitionConstraint); |
| |
| int[] keys = new int[] { 0 }; |
| int tableSize = 8; |
| |
| HashGroupOperatorDescriptor grouper = new HashGroupOperatorDescriptor( |
| spec, |
| keys, |
| new FieldHashPartitionComputerFactory(keys, |
| new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }), |
| new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE }, |
| new MultiAggregatorFactory(new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory() }), |
| outputRec, tableSize); |
| |
| PartitionConstraint grouperPartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { |
| new AbsoluteLocationConstraint(NC2_ID), new AbsoluteLocationConstraint(NC1_ID) }); |
| grouper.setPartitionConstraint(grouperPartitionConstraint); |
| |
| IConnectorDescriptor conn1 = new MToNHashPartitioningConnectorDescriptor(spec, |
| new FieldHashPartitionComputerFactory(keys, |
| new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE })); |
| spec.connect(conn1, csvScanner, 0, grouper, 0); |
| |
| PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec); |
| PartitionConstraint printerPartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { |
| new AbsoluteLocationConstraint(NC2_ID), new AbsoluteLocationConstraint(NC1_ID) }); |
| printer.setPartitionConstraint(printerPartitionConstraint); |
| |
| IConnectorDescriptor conn2 = new OneToOneConnectorDescriptor(spec); |
| spec.connect(conn2, grouper, 0, printer, 0); |
| |
| spec.addRoot(printer); |
| runTest(spec); |
| } |
| |
| /** |
| * Test 03: aggregates on multiple fields |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void externalAggregateTestMultiAggFields() throws Exception { |
| JobSpecification spec = new JobSpecification(); |
| |
| FileSplit[] ordersSplits = new FileSplit[] { new FileSplit(NC2_ID, new FileReference(new File( |
| "data/tpch0.001/lineitem.tbl"))) }; |
| IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits); |
| RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] { |
| UTF8StringSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE, |
| FloatSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE }); |
| |
| FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider, |
| new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE, |
| IntegerParserFactory.INSTANCE, IntegerParserFactory.INSTANCE, IntegerParserFactory.INSTANCE, |
| IntegerParserFactory.INSTANCE, FloatParserFactory.INSTANCE, FloatParserFactory.INSTANCE, |
| FloatParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, }, '|'), ordersDesc); |
| PartitionConstraint ordersPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| ordScanner.setPartitionConstraint(ordersPartitionConstraint); |
| |
| RecordDescriptor outputRec = new RecordDescriptor(new ISerializerDeserializer[] { |
| UTF8StringSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE }); |
| |
| PartitionConstraint csvPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| ordScanner.setPartitionConstraint(csvPartitionConstraint); |
| |
| int[] keys = new int[] { 0 }; |
| int tableSize = 8; |
| |
| ExternalHashGroupOperatorDescriptor grouper = new ExternalHashGroupOperatorDescriptor(spec, keys, 3, false, |
| new FieldHashPartitionComputerFactory(keys, |
| new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }), |
| new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE }, |
| new MultiAggregatorFactory(new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory(), |
| new SumAggregatorFactory(4), new MinMaxAggregatorFactory(true, 5) }), outputRec, tableSize); |
| |
| PartitionConstraint grouperPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| grouper.setPartitionConstraint(grouperPartitionConstraint); |
| |
| IConnectorDescriptor conn1 = new MToNHashPartitioningConnectorDescriptor(spec, |
| new FieldHashPartitionComputerFactory(keys, |
| new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE })); |
| spec.connect(conn1, ordScanner, 0, grouper, 0); |
| |
| PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec); |
| PartitionConstraint printerPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| printer.setPartitionConstraint(printerPartitionConstraint); |
| |
| IConnectorDescriptor conn2 = new OneToOneConnectorDescriptor(spec); |
| spec.connect(conn2, grouper, 0, printer, 0); |
| |
| spec.addRoot(printer); |
| runTest(spec); |
| } |
| |
| /** |
| * Test 05: aggregate on multiple key fields |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void externalAggregateTestMultiKeys() throws Exception { |
| JobSpecification spec = new JobSpecification(); |
| |
| FileSplit[] ordersSplits = new FileSplit[] { new FileSplit(NC2_ID, new FileReference(new File( |
| "data/tpch0.001/lineitem.tbl"))) }; |
| IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits); |
| RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] { |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE, |
| FloatSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE }); |
| |
| FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider, |
| new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, IntegerParserFactory.INSTANCE, IntegerParserFactory.INSTANCE, |
| IntegerParserFactory.INSTANCE, FloatParserFactory.INSTANCE, FloatParserFactory.INSTANCE, |
| FloatParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, }, '|'), ordersDesc); |
| PartitionConstraint ordersPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| ordScanner.setPartitionConstraint(ordersPartitionConstraint); |
| |
| RecordDescriptor outputRec = new RecordDescriptor(new ISerializerDeserializer[] { |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| FloatSerializerDeserializer.INSTANCE }); |
| |
| PartitionConstraint csvPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| ordScanner.setPartitionConstraint(csvPartitionConstraint); |
| |
| // Group on two fields |
| int[] keys = new int[] { 0, 1 }; |
| int tableSize = 8; |
| |
| ExternalHashGroupOperatorDescriptor grouper = new ExternalHashGroupOperatorDescriptor(spec, keys, 3, false, |
| new FieldHashPartitionComputerFactory(keys, new IBinaryHashFunctionFactory[] { |
| UTF8StringBinaryHashFunctionFactory.INSTANCE, UTF8StringBinaryHashFunctionFactory.INSTANCE }), |
| new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE, |
| UTF8StringBinaryComparatorFactory.INSTANCE }, new MultiAggregatorFactory( |
| new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory(), |
| new SumAggregatorFactory(4), new MinMaxAggregatorFactory(true, 5) }), outputRec, |
| tableSize); |
| |
| PartitionConstraint grouperPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| grouper.setPartitionConstraint(grouperPartitionConstraint); |
| |
| IConnectorDescriptor conn1 = new MToNHashPartitioningConnectorDescriptor(spec, |
| new FieldHashPartitionComputerFactory(keys, new IBinaryHashFunctionFactory[] { |
| UTF8StringBinaryHashFunctionFactory.INSTANCE, UTF8StringBinaryHashFunctionFactory.INSTANCE })); |
| spec.connect(conn1, ordScanner, 0, grouper, 0); |
| |
| PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec); |
| PartitionConstraint printerPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| printer.setPartitionConstraint(printerPartitionConstraint); |
| |
| IConnectorDescriptor conn2 = new OneToOneConnectorDescriptor(spec); |
| spec.connect(conn2, grouper, 0, printer, 0); |
| |
| spec.addRoot(printer); |
| runTest(spec); |
| } |
| |
| /** |
| * Test 06: tests on non-string key field |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void externalAggregateTestNonStringKey() throws Exception { |
| JobSpecification spec = new JobSpecification(); |
| |
| FileSplit[] ordersSplits = new FileSplit[] { new FileSplit(NC2_ID, new FileReference(new File( |
| "data/tpch0.001/lineitem.tbl"))) }; |
| IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits); |
| RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] { |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE, |
| FloatSerializerDeserializer.INSTANCE, FloatSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE, |
| UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE }); |
| |
| FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider, |
| new DelimitedDataTupleParserFactory(new IValueParserFactory[] { IntegerParserFactory.INSTANCE, |
| IntegerParserFactory.INSTANCE, IntegerParserFactory.INSTANCE, IntegerParserFactory.INSTANCE, |
| IntegerParserFactory.INSTANCE, FloatParserFactory.INSTANCE, FloatParserFactory.INSTANCE, |
| FloatParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE, |
| UTF8StringParserFactory.INSTANCE, }, '|'), ordersDesc); |
| PartitionConstraint ordersPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| ordScanner.setPartitionConstraint(ordersPartitionConstraint); |
| |
| RecordDescriptor outputRec = new RecordDescriptor(new ISerializerDeserializer[] { |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| IntegerSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE, |
| FloatSerializerDeserializer.INSTANCE }); |
| |
| PartitionConstraint csvPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| ordScanner.setPartitionConstraint(csvPartitionConstraint); |
| |
| // Group on two fields |
| int[] keys = new int[] { 0, 1 }; |
| int tableSize = 8; |
| |
| ExternalHashGroupOperatorDescriptor grouper = new ExternalHashGroupOperatorDescriptor(spec, keys, 3000, true, |
| new FieldHashPartitionComputerFactory(keys, new IBinaryHashFunctionFactory[] { |
| IntegerBinaryHashFunctionFactory.INSTANCE, IntegerBinaryHashFunctionFactory.INSTANCE }), |
| new IBinaryComparatorFactory[] { IntegerBinaryComparatorFactory.INSTANCE, |
| IntegerBinaryComparatorFactory.INSTANCE }, new MultiAggregatorFactory( |
| new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory(), |
| new SumAggregatorFactory(4), new MinMaxAggregatorFactory(true, 5) }), outputRec, |
| tableSize); |
| |
| PartitionConstraint grouperPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| grouper.setPartitionConstraint(grouperPartitionConstraint); |
| |
| IConnectorDescriptor conn1 = new MToNHashPartitioningConnectorDescriptor(spec, |
| new FieldHashPartitionComputerFactory(keys, new IBinaryHashFunctionFactory[] { |
| IntegerBinaryHashFunctionFactory.INSTANCE, IntegerBinaryHashFunctionFactory.INSTANCE })); |
| spec.connect(conn1, ordScanner, 0, grouper, 0); |
| |
| PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec); |
| PartitionConstraint printerPartitionConstraint = new ExplicitPartitionConstraint( |
| new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) }); |
| printer.setPartitionConstraint(printerPartitionConstraint); |
| |
| IConnectorDescriptor conn2 = new OneToOneConnectorDescriptor(spec); |
| spec.connect(conn2, grouper, 0, printer, 0); |
| |
| spec.addRoot(printer); |
| runTest(spec); |
| } |
| } |
