本文整理汇总了Java中org.apache.flink.api.java.operators.TwoInputUdfOperator类的典型用法代码示例。如果您正苦于以下问题：Java TwoInputUdfOperator类的具体用法？Java TwoInputUdfOperator怎么用？Java TwoInputUdfOperator使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
TwoInputUdfOperator类属于org.apache.flink.api.java.operators包，在下文中一共展示了TwoInputUdfOperator类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testTranslationPlainEdges
import org.apache.flink.api.java.operators.TwoInputUdfOperator; //导入依赖的package包/类
@Test
public void testTranslationPlainEdges() {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> bcVar = env.fromElements(1L);
DataSet<Vertex<String, Double>> result;
// ------------ construct the test program ------------------
DataSet<Tuple2<String, Double>> initialVertices = env.fromElements(new Tuple2<>("abc", 3.44));
DataSet<Tuple2<String, String>> edges = env.fromElements(new Tuple2<>("a", "c"));
Graph<String, Double, NullValue> graph = Graph.fromTupleDataSet(initialVertices,
edges.map(new MapFunction<Tuple2<String, String>, Tuple3<String, String, NullValue>>() {
public Tuple3<String, String, NullValue> map(
Tuple2<String, String> edge) {
return new Tuple3<>(edge.f0, edge.f1, NullValue.getInstance());
}
}), env);
VertexCentricConfiguration parameters = new VertexCentricConfiguration();
parameters.addBroadcastSet(BC_SET_NAME, bcVar);
parameters.setName(ITERATION_NAME);
parameters.setParallelism(ITERATION_parallelism);
parameters.registerAggregator(AGGREGATOR_NAME, new LongSumAggregator());
result = graph.runVertexCentricIteration(new MyCompute(), null,
NUM_ITERATIONS, parameters).getVertices();
result.output(new DiscardingOutputFormat<>());
// ------------- validate the java program ----------------
assertTrue(result instanceof DeltaIterationResultSet);
DeltaIterationResultSet<?, ?> resultSet = (DeltaIterationResultSet<?, ?>) result;
DeltaIteration<?, ?> iteration = resultSet.getIterationHead();
// check the basic iteration properties
assertEquals(NUM_ITERATIONS, resultSet.getMaxIterations());
assertArrayEquals(new int[]{0}, resultSet.getKeyPositions());
assertEquals(ITERATION_parallelism, iteration.getParallelism());
assertEquals(ITERATION_NAME, iteration.getName());
assertEquals(AGGREGATOR_NAME, iteration.getAggregators().getAllRegisteredAggregators().iterator().next().getName());
TwoInputUdfOperator<?, ?, ?, ?> computationCoGroup =
(TwoInputUdfOperator<?, ?, ?, ?>) ((SingleInputUdfOperator<?, ?, ?>) resultSet.getNextWorkset()).getInput();
// validate that the broadcast sets are forwarded
assertEquals(bcVar, computationCoGroup.getBroadcastSets().get(BC_SET_NAME));
}
示例2: testTranslationPlainEdges
import org.apache.flink.api.java.operators.TwoInputUdfOperator; //导入依赖的package包/类
@Test
public void testTranslationPlainEdges() {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> bcMessaging = env.fromElements(1L);
DataSet<Long> bcUpdate = env.fromElements(1L);
DataSet<Vertex<String, Double>> result;
// ------------ construct the test program ------------------
DataSet<Tuple2<String, Double>> initialVertices = env.fromElements(new Tuple2<>("abc", 3.44));
DataSet<Tuple2<String, String>> edges = env.fromElements(new Tuple2<>("a", "c"));
Graph<String, Double, NullValue> graph = Graph.fromTupleDataSet(initialVertices,
edges.map(new MapFunction<Tuple2<String, String>, Tuple3<String, String, NullValue>>() {
public Tuple3<String, String, NullValue> map(
Tuple2<String, String> edge) {
return new Tuple3<>(edge.f0, edge.f1, NullValue.getInstance());
}
}), env);
ScatterGatherConfiguration parameters = new ScatterGatherConfiguration();
parameters.addBroadcastSetForScatterFunction(BC_SET_MESSAGES_NAME, bcMessaging);
parameters.addBroadcastSetForGatherFunction(BC_SET_UPDATES_NAME, bcUpdate);
parameters.setName(ITERATION_NAME);
parameters.setParallelism(ITERATION_parallelism);
parameters.registerAggregator(AGGREGATOR_NAME, new LongSumAggregator());
result = graph.runScatterGatherIteration(new MessageFunctionNoEdgeValue(), new UpdateFunction(),
NUM_ITERATIONS, parameters).getVertices();
result.output(new DiscardingOutputFormat<>());
// ------------- validate the java program ----------------
assertTrue(result instanceof DeltaIterationResultSet);
DeltaIterationResultSet<?, ?> resultSet = (DeltaIterationResultSet<?, ?>) result;
DeltaIteration<?, ?> iteration = resultSet.getIterationHead();
// check the basic iteration properties
assertEquals(NUM_ITERATIONS, resultSet.getMaxIterations());
assertArrayEquals(new int[]{0}, resultSet.getKeyPositions());
assertEquals(ITERATION_parallelism, iteration.getParallelism());
assertEquals(ITERATION_NAME, iteration.getName());
assertEquals(AGGREGATOR_NAME, iteration.getAggregators().getAllRegisteredAggregators().iterator().next().getName());
// validate that the semantic properties are set as they should
TwoInputUdfOperator<?, ?, ?, ?> solutionSetJoin = (TwoInputUdfOperator<?, ?, ?, ?>) resultSet.getNextWorkset();
assertTrue(solutionSetJoin.getSemanticProperties().getForwardingTargetFields(0, 0).contains(0));
assertTrue(solutionSetJoin.getSemanticProperties().getForwardingTargetFields(1, 0).contains(0));
TwoInputUdfOperator<?, ?, ?, ?> edgesJoin = (TwoInputUdfOperator<?, ?, ?, ?>) solutionSetJoin.getInput1();
// validate that the broadcast sets are forwarded
assertEquals(bcUpdate, solutionSetJoin.getBroadcastSets().get(BC_SET_UPDATES_NAME));
assertEquals(bcMessaging, edgesJoin.getBroadcastSets().get(BC_SET_MESSAGES_NAME));
}
示例3: testTranslationPlainEdgesWithForkedBroadcastVariable
import org.apache.flink.api.java.operators.TwoInputUdfOperator; //导入依赖的package包/类
@Test
public void testTranslationPlainEdgesWithForkedBroadcastVariable() {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> bcVar = env.fromElements(1L);
DataSet<Vertex<String, Double>> result;
// ------------ construct the test program ------------------
DataSet<Tuple2<String, Double>> initialVertices = env.fromElements(new Tuple2<>("abc", 3.44));
DataSet<Tuple2<String, String>> edges = env.fromElements(new Tuple2<>("a", "c"));
Graph<String, Double, NullValue> graph = Graph.fromTupleDataSet(initialVertices,
edges.map(new MapFunction<Tuple2<String, String>, Tuple3<String, String, NullValue>>() {
public Tuple3<String, String, NullValue> map(
Tuple2<String, String> edge) {
return new Tuple3<>(edge.f0, edge.f1, NullValue.getInstance());
}
}), env);
ScatterGatherConfiguration parameters = new ScatterGatherConfiguration();
parameters.addBroadcastSetForScatterFunction(BC_SET_MESSAGES_NAME, bcVar);
parameters.addBroadcastSetForGatherFunction(BC_SET_UPDATES_NAME, bcVar);
parameters.setName(ITERATION_NAME);
parameters.setParallelism(ITERATION_parallelism);
parameters.registerAggregator(AGGREGATOR_NAME, new LongSumAggregator());
result = graph.runScatterGatherIteration(new MessageFunctionNoEdgeValue(), new UpdateFunction(),
NUM_ITERATIONS, parameters).getVertices();
result.output(new DiscardingOutputFormat<>());
// ------------- validate the java program ----------------
assertTrue(result instanceof DeltaIterationResultSet);
DeltaIterationResultSet<?, ?> resultSet = (DeltaIterationResultSet<?, ?>) result;
DeltaIteration<?, ?> iteration = resultSet.getIterationHead();
// check the basic iteration properties
assertEquals(NUM_ITERATIONS, resultSet.getMaxIterations());
assertArrayEquals(new int[]{0}, resultSet.getKeyPositions());
assertEquals(ITERATION_parallelism, iteration.getParallelism());
assertEquals(ITERATION_NAME, iteration.getName());
assertEquals(AGGREGATOR_NAME, iteration.getAggregators().getAllRegisteredAggregators().iterator().next().getName());
// validate that the semantic properties are set as they should
TwoInputUdfOperator<?, ?, ?, ?> solutionSetJoin = (TwoInputUdfOperator<?, ?, ?, ?>) resultSet.getNextWorkset();
assertTrue(solutionSetJoin.getSemanticProperties().getForwardingTargetFields(0, 0).contains(0));
assertTrue(solutionSetJoin.getSemanticProperties().getForwardingTargetFields(1, 0).contains(0));
TwoInputUdfOperator<?, ?, ?, ?> edgesJoin = (TwoInputUdfOperator<?, ?, ?, ?>) solutionSetJoin.getInput1();
// validate that the broadcast sets are forwarded
assertEquals(bcVar, solutionSetJoin.getBroadcastSets().get(BC_SET_UPDATES_NAME));
assertEquals(bcVar, edgesJoin.getBroadcastSets().get(BC_SET_MESSAGES_NAME));
}
示例4: testTranslation
import org.apache.flink.api.java.operators.TwoInputUdfOperator; //导入依赖的package包/类
@Test
public void testTranslation() {
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> bcGather = env.fromElements(1L);
DataSet<Long> bcSum = env.fromElements(1L);
DataSet<Long> bcApply = env.fromElements(1L);
DataSet<Vertex<Long, Long>> result;
// ------------ construct the test program ------------------
DataSet<Edge<Long, NullValue>> edges = env.fromElements(new Tuple3<>(
1L, 2L, NullValue.getInstance())).map(new Tuple3ToEdgeMap<>());
Graph<Long, Long, NullValue> graph = Graph.fromDataSet(edges, new InitVertices(), env);
GSAConfiguration parameters = new GSAConfiguration();
parameters.registerAggregator(AGGREGATOR_NAME, new LongSumAggregator());
parameters.setName(ITERATION_NAME);
parameters.setParallelism(ITERATION_parallelism);
parameters.addBroadcastSetForGatherFunction(BC_SET_GATHER_NAME, bcGather);
parameters.addBroadcastSetForSumFunction(BC_SET_SUM_NAME, bcSum);
parameters.addBroadcastSetForApplyFunction(BC_SET_APLLY_NAME, bcApply);
result = graph.runGatherSumApplyIteration(
new GatherNeighborIds(), new SelectMinId(),
new UpdateComponentId(), NUM_ITERATIONS, parameters).getVertices();
result.output(new DiscardingOutputFormat<>());
// ------------- validate the java program ----------------
assertTrue(result instanceof DeltaIterationResultSet);
DeltaIterationResultSet<?, ?> resultSet = (DeltaIterationResultSet<?, ?>) result;
DeltaIteration<?, ?> iteration = resultSet.getIterationHead();
// check the basic iteration properties
assertEquals(NUM_ITERATIONS, resultSet.getMaxIterations());
assertArrayEquals(new int[]{0}, resultSet.getKeyPositions());
assertEquals(ITERATION_parallelism, iteration.getParallelism());
assertEquals(ITERATION_NAME, iteration.getName());
assertEquals(AGGREGATOR_NAME, iteration.getAggregators().getAllRegisteredAggregators().iterator().next().getName());
// validate that the semantic properties are set as they should
TwoInputUdfOperator<?, ?, ?, ?> solutionSetJoin = (TwoInputUdfOperator<?, ?, ?, ?>) resultSet.getNextWorkset();
assertTrue(solutionSetJoin.getSemanticProperties().getForwardingTargetFields(0, 0).contains(0));
assertTrue(solutionSetJoin.getSemanticProperties().getForwardingTargetFields(1, 0).contains(0));
SingleInputUdfOperator<?, ?, ?> sumReduce = (SingleInputUdfOperator<?, ?, ?>) solutionSetJoin.getInput1();
SingleInputUdfOperator<?, ?, ?> gatherMap = (SingleInputUdfOperator<?, ?, ?>) sumReduce.getInput();
// validate that the broadcast sets are forwarded
assertEquals(bcGather, gatherMap.getBroadcastSets().get(BC_SET_GATHER_NAME));
assertEquals(bcSum, sumReduce.getBroadcastSets().get(BC_SET_SUM_NAME));
assertEquals(bcApply, solutionSetJoin.getBroadcastSets().get(BC_SET_APLLY_NAME));
}
示例5: testTranslationPlainEdges
import org.apache.flink.api.java.operators.TwoInputUdfOperator; //导入依赖的package包/类
@Test
public void testTranslationPlainEdges() {
try {
final String ITERATION_NAME = "Test Name";
final String AGGREGATOR_NAME = "AggregatorName";
final String BC_SET_MESSAGES_NAME = "borat messages";
final String BC_SET_UPDATES_NAME = "borat updates";
;
final int NUM_ITERATIONS = 13;
final int ITERATION_DOP = 77;
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> bcMessaging = env.fromElements(1L);
DataSet<Long> bcUpdate = env.fromElements(1L);
DataSet<Tuple2<String, Double>> result;
// ------------ construct the test program ------------------
{
@SuppressWarnings("unchecked")
DataSet<Tuple2<String, Double>> initialVertices = env.fromElements(new Tuple2<String, Double>("abc", 3.44));
@SuppressWarnings("unchecked")
DataSet<Tuple2<String, String>> edges = env.fromElements(new Tuple2<String, String>("a", "c"));
VertexCentricIteration<String, Double, Long, ?> vertexIteration =
VertexCentricIteration.withPlainEdges(edges, new UpdateFunction(), new MessageFunctionNoEdgeValue(), NUM_ITERATIONS);
vertexIteration.addBroadcastSetForMessagingFunction(BC_SET_MESSAGES_NAME, bcMessaging);
vertexIteration.addBroadcastSetForUpdateFunction(BC_SET_UPDATES_NAME, bcUpdate);
vertexIteration.setName(ITERATION_NAME);
vertexIteration.setParallelism(ITERATION_DOP);
vertexIteration.registerAggregator(AGGREGATOR_NAME, new LongSumAggregator());
result = initialVertices.runOperation(vertexIteration);
}
// ------------- validate the java program ----------------
assertTrue(result instanceof DeltaIterationResultSet);
DeltaIterationResultSet<?, ?> resultSet = (DeltaIterationResultSet<?, ?>) result;
DeltaIteration<?, ?> iteration = (DeltaIteration<?, ?>) resultSet.getIterationHead();
// check the basic iteration properties
assertEquals(NUM_ITERATIONS, resultSet.getMaxIterations());
assertArrayEquals(new int[] {0}, resultSet.getKeyPositions());
assertEquals(ITERATION_DOP, iteration.getParallelism());
assertEquals(ITERATION_NAME, iteration.getName());
assertEquals(AGGREGATOR_NAME, iteration.getAggregators().getAllRegisteredAggregators().iterator().next().getName());
// validate that the semantic properties are set as they should
TwoInputUdfOperator<?, ?, ?, ?> solutionSetJoin = (TwoInputUdfOperator<?, ?, ?, ?>) resultSet.getNextWorkset();
assertTrue(solutionSetJoin.getSemanticProperties().getForwardedField1(0).contains(0));
assertTrue(solutionSetJoin.getSemanticProperties().getForwardedField2(0).contains(0));
TwoInputUdfOperator<?, ?, ?, ?> edgesJoin = (TwoInputUdfOperator<?, ?, ?, ?>) solutionSetJoin.getInput1();
// validate that the broadcast sets are forwarded
assertEquals(bcUpdate, solutionSetJoin.getBroadcastSets().get(BC_SET_UPDATES_NAME));
assertEquals(bcMessaging, edgesJoin.getBroadcastSets().get(BC_SET_MESSAGES_NAME));
}
catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail(e.getMessage());
}
}
示例6: testTranslationPlainEdgesWithForkedBroadcastVariable
import org.apache.flink.api.java.operators.TwoInputUdfOperator; //导入依赖的package包/类
@Test
public void testTranslationPlainEdgesWithForkedBroadcastVariable() {
try {
final String ITERATION_NAME = "Test Name";
final String AGGREGATOR_NAME = "AggregatorName";
final String BC_SET_MESSAGES_NAME = "borat messages";
final String BC_SET_UPDATES_NAME = "borat updates";
;
final int NUM_ITERATIONS = 13;
final int ITERATION_DOP = 77;
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Long> bcVar = env.fromElements(1L);
DataSet<Tuple2<String, Double>> result;
// ------------ construct the test program ------------------
{
@SuppressWarnings("unchecked")
DataSet<Tuple2<String, Double>> initialVertices = env.fromElements(new Tuple2<String, Double>("abc", 3.44));
@SuppressWarnings("unchecked")
DataSet<Tuple2<String, String>> edges = env.fromElements(new Tuple2<String, String>("a", "c"));
VertexCentricIteration<String, Double, Long, ?> vertexIteration =
VertexCentricIteration.withPlainEdges(edges, new UpdateFunction(), new MessageFunctionNoEdgeValue(), NUM_ITERATIONS);
vertexIteration.addBroadcastSetForMessagingFunction(BC_SET_MESSAGES_NAME, bcVar);
vertexIteration.addBroadcastSetForUpdateFunction(BC_SET_UPDATES_NAME, bcVar);
vertexIteration.setName(ITERATION_NAME);
vertexIteration.setParallelism(ITERATION_DOP);
vertexIteration.registerAggregator(AGGREGATOR_NAME, new LongSumAggregator());
result = initialVertices.runOperation(vertexIteration);
}
// ------------- validate the java program ----------------
assertTrue(result instanceof DeltaIterationResultSet);
DeltaIterationResultSet<?, ?> resultSet = (DeltaIterationResultSet<?, ?>) result;
DeltaIteration<?, ?> iteration = (DeltaIteration<?, ?>) resultSet.getIterationHead();
// check the basic iteration properties
assertEquals(NUM_ITERATIONS, resultSet.getMaxIterations());
assertArrayEquals(new int[] {0}, resultSet.getKeyPositions());
assertEquals(ITERATION_DOP, iteration.getParallelism());
assertEquals(ITERATION_NAME, iteration.getName());
assertEquals(AGGREGATOR_NAME, iteration.getAggregators().getAllRegisteredAggregators().iterator().next().getName());
// validate that the semantic properties are set as they should
TwoInputUdfOperator<?, ?, ?, ?> solutionSetJoin = (TwoInputUdfOperator<?, ?, ?, ?>) resultSet.getNextWorkset();
assertTrue(solutionSetJoin.getSemanticProperties().getForwardedField1(0).contains(0));
assertTrue(solutionSetJoin.getSemanticProperties().getForwardedField2(0).contains(0));
TwoInputUdfOperator<?, ?, ?, ?> edgesJoin = (TwoInputUdfOperator<?, ?, ?, ?>) solutionSetJoin.getInput1();
// validate that the broadcast sets are forwarded
assertEquals(bcVar, solutionSetJoin.getBroadcastSets().get(BC_SET_UPDATES_NAME));
assertEquals(bcVar, edgesJoin.getBroadcastSets().get(BC_SET_MESSAGES_NAME));
}
catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail(e.getMessage());
}
}