Java Code Examples for org.apache.flink.api.common.io.OutputFormat#open()

The following examples show how to use org.apache.flink.api.common.io.OutputFormat#open() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CassandraConnectorITCase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Test
public void testCassandraBatchRowFormat() throws Exception {
	OutputFormat<Row> sink = new CassandraRowOutputFormat(injectTableName(INSERT_DATA_QUERY), builder);
	try {
		sink.configure(new Configuration());
		sink.open(0, 1);
		for (Row value : rowCollection) {
			sink.writeRecord(value);
		}
	} finally {

		sink.close();
	}

	ResultSet rs = session.execute(injectTableName(SELECT_DATA_QUERY));
	List<com.datastax.driver.core.Row> rows = rs.all();
	Assert.assertEquals(rowCollection.size(), rows.size());
}
Example 2
Source File: CassandraConnectorITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testCassandraBatchRowFormat() throws Exception {
	OutputFormat<Row> sink = new CassandraRowOutputFormat(injectTableName(INSERT_DATA_QUERY), builder);
	try {
		sink.configure(new Configuration());
		sink.open(0, 1);
		for (Row value : rowCollection) {
			sink.writeRecord(value);
		}
	} finally {

		sink.close();
	}

	ResultSet rs = session.execute(injectTableName(SELECT_DATA_QUERY));
	List<com.datastax.driver.core.Row> rows = rs.all();
	Assert.assertEquals(rowCollection.size(), rows.size());
}
Example 3
Source File: CassandraConnectorITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testCassandraBatchRowFormat() throws Exception {
	OutputFormat<Row> sink = new CassandraRowOutputFormat(injectTableName(INSERT_DATA_QUERY), builder);
	try {
		sink.configure(new Configuration());
		sink.open(0, 1);
		for (Row value : rowCollection) {
			sink.writeRecord(value);
		}
	} finally {

		sink.close();
	}

	ResultSet rs = session.execute(injectTableName(SELECT_DATA_QUERY));
	List<com.datastax.driver.core.Row> rows = rs.all();
	Assert.assertEquals(rowCollection.size(), rows.size());
}
Example 4
Source File: PartitionWriter.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Create a new output format with path, configure it and open it.
 */
OutputFormat<T> createNewOutputFormat(Path path) throws IOException {
	OutputFormat<T> format = factory.createOutputFormat(path);
	format.configure(conf);
	// Here we just think of it as a single file format, so there can only be a single task.
	format.open(0, 1);
	return format;
}
Example 5
Source File: CassandraConnectorITCase.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Test
public void testCassandraBatchPojoFormat() throws Exception {

	session.execute(CREATE_TABLE_QUERY.replace(TABLE_NAME_VARIABLE, CustomCassandraAnnotatedPojo.TABLE_NAME));

	OutputFormat<CustomCassandraAnnotatedPojo> sink = new CassandraPojoOutputFormat<>(builder, CustomCassandraAnnotatedPojo.class, () -> new Mapper.Option[]{Mapper.Option.saveNullFields(true)});

	List<CustomCassandraAnnotatedPojo> customCassandraAnnotatedPojos = IntStream.range(0, 20)
		.mapToObj(x -> new CustomCassandraAnnotatedPojo(UUID.randomUUID().toString(), x, 0))
		.collect(Collectors.toList());
	try {
		sink.configure(new Configuration());
		sink.open(0, 1);
		for (CustomCassandraAnnotatedPojo customCassandraAnnotatedPojo : customCassandraAnnotatedPojos) {
			sink.writeRecord(customCassandraAnnotatedPojo);
		}
	} finally {
		sink.close();
	}
	ResultSet rs = session.execute(SELECT_DATA_QUERY.replace(TABLE_NAME_VARIABLE, CustomCassandraAnnotatedPojo.TABLE_NAME));
	Assert.assertEquals(20, rs.all().size());

	InputFormat<CustomCassandraAnnotatedPojo, InputSplit> source = new CassandraPojoInputFormat<>(SELECT_DATA_QUERY.replace(TABLE_NAME_VARIABLE, "batches"), builder, CustomCassandraAnnotatedPojo.class);
	List<CustomCassandraAnnotatedPojo> result = new ArrayList<>();

	try {
		source.configure(new Configuration());
		source.open(null);
		while (!source.reachedEnd()) {
			CustomCassandraAnnotatedPojo temp = source.nextRecord(null);
			result.add(temp);
		}
	} finally {
		source.close();
	}

	Assert.assertEquals(20, result.size());
	result.sort(Comparator.comparingInt(CustomCassandraAnnotatedPojo::getCounter));
	customCassandraAnnotatedPojos.sort(Comparator.comparingInt(CustomCassandraAnnotatedPojo::getCounter));

	assertThat(result, samePropertyValuesAs(customCassandraAnnotatedPojos));
}
Example 6
Source File: GenericDataSinkBase.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@SuppressWarnings("unchecked")
protected void executeOnCollections(List<IN> inputData, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
	OutputFormat<IN> format = this.formatWrapper.getUserCodeObject();
	TypeInformation<IN> inputType = getInput().getOperatorInfo().getOutputType();

	if (this.localOrdering != null) {
		int[] sortColumns = this.localOrdering.getFieldPositions();
		boolean[] sortOrderings = this.localOrdering.getFieldSortDirections();

		final TypeComparator<IN> sortComparator;
		if (inputType instanceof CompositeType) {
			sortComparator = ((CompositeType<IN>) inputType).createComparator(sortColumns, sortOrderings, 0, executionConfig);
		} else if (inputType instanceof AtomicType) {
			sortComparator = ((AtomicType<IN>) inputType).createComparator(sortOrderings[0], executionConfig);
		} else {
			throw new UnsupportedOperationException("Local output sorting does not support type "+inputType+" yet.");
		}

		Collections.sort(inputData, new Comparator<IN>() {
			@Override
			public int compare(IN o1, IN o2) {
				return sortComparator.compare(o1, o2);
			}
		});
	}

	if(format instanceof InitializeOnMaster) {
		((InitializeOnMaster)format).initializeGlobal(1);
	}
	format.configure(this.parameters);

	if(format instanceof RichOutputFormat){
		((RichOutputFormat<?>) format).setRuntimeContext(ctx);
	}
	format.open(0, 1);
	for (IN element : inputData) {
		format.writeRecord(element);
	}
	
	format.close();
	
	if(format instanceof FinalizeOnMaster) {
		((FinalizeOnMaster)format).finalizeGlobal(1);
	}
}
Example 7
Source File: CassandraConnectorITCase.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Test
public void testCassandraBatchPojoFormat() throws Exception {

	session.execute(CREATE_TABLE_QUERY.replace(TABLE_NAME_VARIABLE, CustomCassandraAnnotatedPojo.TABLE_NAME));

	OutputFormat<CustomCassandraAnnotatedPojo> sink = new CassandraPojoOutputFormat<>(builder, CustomCassandraAnnotatedPojo.class, () -> new Mapper.Option[]{Mapper.Option.saveNullFields(true)});

	List<CustomCassandraAnnotatedPojo> customCassandraAnnotatedPojos = IntStream.range(0, 20)
		.mapToObj(x -> new CustomCassandraAnnotatedPojo(UUID.randomUUID().toString(), x, 0))
		.collect(Collectors.toList());
	try {
		sink.configure(new Configuration());
		sink.open(0, 1);
		for (CustomCassandraAnnotatedPojo customCassandraAnnotatedPojo : customCassandraAnnotatedPojos) {
			sink.writeRecord(customCassandraAnnotatedPojo);
		}
	} finally {
		sink.close();
	}
	ResultSet rs = session.execute(SELECT_DATA_QUERY.replace(TABLE_NAME_VARIABLE, CustomCassandraAnnotatedPojo.TABLE_NAME));
	Assert.assertEquals(20, rs.all().size());

	InputFormat<CustomCassandraAnnotatedPojo, InputSplit> source = new CassandraPojoInputFormat<>(SELECT_DATA_QUERY.replace(TABLE_NAME_VARIABLE, "batches"), builder, CustomCassandraAnnotatedPojo.class);
	List<CustomCassandraAnnotatedPojo> result = new ArrayList<>();

	try {
		source.configure(new Configuration());
		source.open(null);
		while (!source.reachedEnd()) {
			CustomCassandraAnnotatedPojo temp = source.nextRecord(null);
			result.add(temp);
		}
	} finally {
		source.close();
	}

	Assert.assertEquals(20, result.size());
	result.sort(Comparator.comparingInt(CustomCassandraAnnotatedPojo::getCounter));
	customCassandraAnnotatedPojos.sort(Comparator.comparingInt(CustomCassandraAnnotatedPojo::getCounter));

	assertThat(result, samePropertyValuesAs(customCassandraAnnotatedPojos));
}
Example 8
Source File: GenericDataSinkBase.java    From flink with Apache License 2.0 4 votes vote down vote up 
@SuppressWarnings("unchecked")
protected void executeOnCollections(List<IN> inputData, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
	OutputFormat<IN> format = this.formatWrapper.getUserCodeObject();
	TypeInformation<IN> inputType = getInput().getOperatorInfo().getOutputType();

	if (this.localOrdering != null) {
		int[] sortColumns = this.localOrdering.getFieldPositions();
		boolean[] sortOrderings = this.localOrdering.getFieldSortDirections();

		final TypeComparator<IN> sortComparator;
		if (inputType instanceof CompositeType) {
			sortComparator = ((CompositeType<IN>) inputType).createComparator(sortColumns, sortOrderings, 0, executionConfig);
		} else if (inputType instanceof AtomicType) {
			sortComparator = ((AtomicType<IN>) inputType).createComparator(sortOrderings[0], executionConfig);
		} else {
			throw new UnsupportedOperationException("Local output sorting does not support type "+inputType+" yet.");
		}

		Collections.sort(inputData, new Comparator<IN>() {
			@Override
			public int compare(IN o1, IN o2) {
				return sortComparator.compare(o1, o2);
			}
		});
	}

	if(format instanceof InitializeOnMaster) {
		((InitializeOnMaster)format).initializeGlobal(1);
	}
	format.configure(this.parameters);

	if(format instanceof RichOutputFormat){
		((RichOutputFormat<?>) format).setRuntimeContext(ctx);
	}
	format.open(0, 1);
	for (IN element : inputData) {
		format.writeRecord(element);
	}
	
	format.close();
	
	if(format instanceof FinalizeOnMaster) {
		((FinalizeOnMaster)format).finalizeGlobal(1);
	}
}
Example 9
Source File: CassandraConnectorITCase.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Test
public void testCassandraBatchPojoFormat() throws Exception {

	session.execute(CREATE_TABLE_QUERY.replace(TABLE_NAME_VARIABLE, CustomCassandraAnnotatedPojo.TABLE_NAME));

	OutputFormat<CustomCassandraAnnotatedPojo> sink = new CassandraPojoOutputFormat<>(builder, CustomCassandraAnnotatedPojo.class, () -> new Mapper.Option[]{Mapper.Option.saveNullFields(true)});

	List<CustomCassandraAnnotatedPojo> customCassandraAnnotatedPojos = IntStream.range(0, 20)
		.mapToObj(x -> new CustomCassandraAnnotatedPojo(UUID.randomUUID().toString(), x, 0))
		.collect(Collectors.toList());
	try {
		sink.configure(new Configuration());
		sink.open(0, 1);
		for (CustomCassandraAnnotatedPojo customCassandraAnnotatedPojo : customCassandraAnnotatedPojos) {
			sink.writeRecord(customCassandraAnnotatedPojo);
		}
	} finally {
		sink.close();
	}
	ResultSet rs = session.execute(SELECT_DATA_QUERY.replace(TABLE_NAME_VARIABLE, CustomCassandraAnnotatedPojo.TABLE_NAME));
	Assert.assertEquals(20, rs.all().size());

	InputFormat<CustomCassandraAnnotatedPojo, InputSplit> source = new CassandraPojoInputFormat<>(SELECT_DATA_QUERY.replace(TABLE_NAME_VARIABLE, "batches"), builder, CustomCassandraAnnotatedPojo.class);
	List<CustomCassandraAnnotatedPojo> result = new ArrayList<>();

	try {
		source.configure(new Configuration());
		source.open(null);
		while (!source.reachedEnd()) {
			CustomCassandraAnnotatedPojo temp = source.nextRecord(null);
			result.add(temp);
		}
	} finally {
		source.close();
	}

	Assert.assertEquals(20, result.size());
	result.sort(Comparator.comparingInt(CustomCassandraAnnotatedPojo::getCounter));
	customCassandraAnnotatedPojos.sort(Comparator.comparingInt(CustomCassandraAnnotatedPojo::getCounter));

	assertThat(result, samePropertyValuesAs(customCassandraAnnotatedPojos));
}
Example 10
Source File: GenericDataSinkBase.java    From flink with Apache License 2.0 4 votes vote down vote up 
@SuppressWarnings("unchecked")
protected void executeOnCollections(List<IN> inputData, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
	OutputFormat<IN> format = this.formatWrapper.getUserCodeObject();
	TypeInformation<IN> inputType = getInput().getOperatorInfo().getOutputType();

	if (this.localOrdering != null) {
		int[] sortColumns = this.localOrdering.getFieldPositions();
		boolean[] sortOrderings = this.localOrdering.getFieldSortDirections();

		final TypeComparator<IN> sortComparator;
		if (inputType instanceof CompositeType) {
			sortComparator = ((CompositeType<IN>) inputType).createComparator(sortColumns, sortOrderings, 0, executionConfig);
		} else if (inputType instanceof AtomicType) {
			sortComparator = ((AtomicType<IN>) inputType).createComparator(sortOrderings[0], executionConfig);
		} else {
			throw new UnsupportedOperationException("Local output sorting does not support type "+inputType+" yet.");
		}

		Collections.sort(inputData, new Comparator<IN>() {
			@Override
			public int compare(IN o1, IN o2) {
				return sortComparator.compare(o1, o2);
			}
		});
	}

	if(format instanceof InitializeOnMaster) {
		((InitializeOnMaster)format).initializeGlobal(1);
	}
	format.configure(this.parameters);

	if(format instanceof RichOutputFormat){
		((RichOutputFormat<?>) format).setRuntimeContext(ctx);
	}
	format.open(0, 1);
	for (IN element : inputData) {
		format.writeRecord(element);
	}
	
	format.close();
	
	if(format instanceof FinalizeOnMaster) {
		((FinalizeOnMaster)format).finalizeGlobal(1);
	}
}