mirror of https://github.com/apache/nifi.git
NIFI-1055: Fixed checkstyle violations
This commit is contained in:
Mark Payne
parent
5d90c9be07
commit
0fc5d30461
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@ -50,7 +50,7 @@ import org.apache.nifi.processor.io.StreamCallback;
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@SideEffectFree
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@SupportsBatching
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@Tags({ "json", "avro", "binary" })
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@Tags({"json", "avro", "binary"})
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@CapabilityDescription("Converts a Binary Avro record into a JSON object. This processor provides a direct mapping of an Avro field to a JSON field, such "
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+ "that the resulting JSON will have the same hierarchical structure as the Avro document. Note that the Avro schema information will be lost, as this "
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+ "is not a translation from binary Avro to JSON formatted Avro. The output JSON is encoded the UTF-8 encoding. If an incoming FlowFile contains a stream of "
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@ -60,24 +60,23 @@ public class ConvertAvroToJSON extends AbstractProcessor {
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protected static final String CONTAINER_ARRAY = "array";
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protected static final String CONTAINER_NONE = "none";
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static final PropertyDescriptor CONTAINER_OPTIONS
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= new PropertyDescriptor.Builder()
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.name("JSON container options")
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.description("Determines how stream of records is exposed: either as a sequence of single Objects (" + CONTAINER_NONE + ") (i.e. writing every Object to a new line), or as an array of Objects (" + CONTAINER_ARRAY + ").")
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.allowableValues(CONTAINER_NONE, CONTAINER_ARRAY)
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.required(true)
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.defaultValue(CONTAINER_ARRAY)
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.build();
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static final PropertyDescriptor CONTAINER_OPTIONS = new PropertyDescriptor.Builder()
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.name("JSON container options")
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.description("Determines how stream of records is exposed: either as a sequence of single Objects (" + CONTAINER_NONE
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+ ") (i.e. writing every Object to a new line), or as an array of Objects (" + CONTAINER_ARRAY + ").")
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.allowableValues(CONTAINER_NONE, CONTAINER_ARRAY)
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.required(true)
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.defaultValue(CONTAINER_ARRAY)
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.build();
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static final Relationship REL_SUCCESS = new Relationship.Builder()
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.name("success")
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.description("A FlowFile is routed to this relationship after it has been converted to JSON")
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.build();
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.name("success")
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.description("A FlowFile is routed to this relationship after it has been converted to JSON")
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.build();
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static final Relationship REL_FAILURE = new Relationship.Builder()
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.name("failure")
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.description("A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to JSON for any reason")
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.build();
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.name("failure")
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.description("A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to JSON for any reason")
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.build();
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private List<PropertyDescriptor> properties;
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@ -89,12 +88,13 @@ public class ConvertAvroToJSON extends AbstractProcessor {
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final List<PropertyDescriptor> properties = new ArrayList<>();
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properties.add(CONTAINER_OPTIONS);
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this.properties = Collections.unmodifiableList(properties);
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}
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@Override
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protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
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return properties;
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}
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@Override
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public Set<Relationship> getRelationships() {
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final Set<Relationship> rels = new HashSet<>();
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@ -118,8 +118,8 @@ public class ConvertAvroToJSON extends AbstractProcessor {
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public void process(final InputStream rawIn, final OutputStream rawOut) throws IOException {
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try (final InputStream in = new BufferedInputStream(rawIn);
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final OutputStream out = new BufferedOutputStream(rawOut);
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final DataFileStream<GenericRecord> reader = new DataFileStream<>(in, new GenericDatumReader<GenericRecord>())) {
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final OutputStream out = new BufferedOutputStream(rawOut);
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final DataFileStream<GenericRecord> reader = new DataFileStream<>(in, new GenericDatumReader<GenericRecord>())) {
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final GenericData genericData = GenericData.get();
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GenericRecord record = reader.next();
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@ -58,7 +58,6 @@ public class TestCSVToAvroProcessor {
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/**
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* Basic test for tab separated files, similar to #test
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* @throws IOException
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*/
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@Test
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public void testTabSeparatedConversion() throws IOException {
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@ -31,10 +31,12 @@ import java.util.regex.Pattern;
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import javax.servlet.Servlet;
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import javax.ws.rs.Path;
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import org.apache.nifi.annotation.documentation.CapabilityDescription;
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import org.apache.nifi.annotation.documentation.Tags;
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import org.apache.nifi.annotation.lifecycle.OnScheduled;
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import org.apache.nifi.annotation.lifecycle.OnStopped;
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import org.apache.nifi.components.PropertyDescriptor;
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import org.apache.nifi.flowfile.FlowFile;
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import org.apache.nifi.stream.io.LeakyBucketStreamThrottler;
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import org.apache.nifi.stream.io.StreamThrottler;
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import org.apache.nifi.processor.AbstractSessionFactoryProcessor;
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import org.apache.nifi.processor.DataUnit;
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import org.apache.nifi.processor.ProcessContext;
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@ -42,15 +44,12 @@ import org.apache.nifi.processor.ProcessSession;
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import org.apache.nifi.processor.ProcessSessionFactory;
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import org.apache.nifi.processor.ProcessorInitializationContext;
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import org.apache.nifi.processor.Relationship;
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import org.apache.nifi.annotation.documentation.CapabilityDescription;
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import org.apache.nifi.annotation.lifecycle.OnScheduled;
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import org.apache.nifi.annotation.lifecycle.OnStopped;
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import org.apache.nifi.annotation.documentation.Tags;
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import org.apache.nifi.processor.util.StandardValidators;
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import org.apache.nifi.processors.standard.servlets.ContentAcknowledgmentServlet;
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import org.apache.nifi.processors.standard.servlets.ListenHTTPServlet;
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import org.apache.nifi.ssl.SSLContextService;
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import org.apache.nifi.stream.io.LeakyBucketStreamThrottler;
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import org.apache.nifi.stream.io.StreamThrottler;
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import org.eclipse.jetty.server.Connector;
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import org.eclipse.jetty.server.HttpConfiguration;
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import org.eclipse.jetty.server.HttpConnectionFactory;
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@ -70,56 +69,56 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
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private List<PropertyDescriptor> properties;
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public static final Relationship RELATIONSHIP_SUCCESS = new Relationship.Builder()
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.name("success")
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.description("Relationship for successfully received FlowFiles")
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.build();
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.name("success")
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.description("Relationship for successfully received FlowFiles")
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.build();
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public static final PropertyDescriptor BASE_PATH = new PropertyDescriptor.Builder()
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.name("Base Path")
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.description("Base path for incoming connections")
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.required(true)
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.defaultValue("contentListener")
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.addValidator(StandardValidators.URI_VALIDATOR)
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.addValidator(StandardValidators.createRegexMatchingValidator(Pattern.compile("(^[^/]+.*[^/]+$|^[^/]+$|^$)"))) // no start with / or end with /
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.build();
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.name("Base Path")
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.description("Base path for incoming connections")
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.required(true)
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.defaultValue("contentListener")
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.addValidator(StandardValidators.URI_VALIDATOR)
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.addValidator(StandardValidators.createRegexMatchingValidator(Pattern.compile("(^[^/]+.*[^/]+$|^[^/]+$|^$)"))) // no start with / or end with /
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.build();
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public static final PropertyDescriptor PORT = new PropertyDescriptor.Builder()
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.name("Listening Port")
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.description("The Port to listen on for incoming connections")
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.required(true)
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.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
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.build();
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.name("Listening Port")
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.description("The Port to listen on for incoming connections")
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.required(true)
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.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
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.build();
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public static final PropertyDescriptor AUTHORIZED_DN_PATTERN = new PropertyDescriptor.Builder()
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.name("Authorized DN Pattern")
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.description("A Regular Expression to apply against the Distinguished Name of incoming connections. If the Pattern does not match the DN, the connection will be refused.")
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.required(true)
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.defaultValue(".*")
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.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
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.build();
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.name("Authorized DN Pattern")
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.description("A Regular Expression to apply against the Distinguished Name of incoming connections. If the Pattern does not match the DN, the connection will be refused.")
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.required(true)
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.defaultValue(".*")
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.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
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.build();
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public static final PropertyDescriptor MAX_UNCONFIRMED_TIME = new PropertyDescriptor.Builder()
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.name("Max Unconfirmed Flowfile Time")
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.description("The maximum amount of time to wait for a FlowFile to be confirmed before it is removed from the cache")
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.required(true)
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.defaultValue("60 secs")
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.addValidator(StandardValidators.TIME_PERIOD_VALIDATOR)
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.build();
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.name("Max Unconfirmed Flowfile Time")
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.description("The maximum amount of time to wait for a FlowFile to be confirmed before it is removed from the cache")
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.required(true)
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.defaultValue("60 secs")
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.addValidator(StandardValidators.TIME_PERIOD_VALIDATOR)
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.build();
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public static final PropertyDescriptor MAX_DATA_RATE = new PropertyDescriptor.Builder()
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.name("Max Data to Receive per Second")
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.description("The maximum amount of data to receive per second; this allows the bandwidth to be throttled to a specified data rate; if not specified, the data rate is not throttled")
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.required(false)
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.addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
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.build();
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.name("Max Data to Receive per Second")
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.description("The maximum amount of data to receive per second; this allows the bandwidth to be throttled to a specified data rate; if not specified, the data rate is not throttled")
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.required(false)
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.addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
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.build();
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public static final PropertyDescriptor SSL_CONTEXT_SERVICE = new PropertyDescriptor.Builder()
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.name("SSL Context Service")
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.description("The Controller Service to use in order to obtain an SSL Context")
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.required(false)
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.identifiesControllerService(SSLContextService.class)
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.build();
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.name("SSL Context Service")
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.description("The Controller Service to use in order to obtain an SSL Context")
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.required(false)
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.identifiesControllerService(SSLContextService.class)
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.build();
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public static final PropertyDescriptor HEADERS_AS_ATTRIBUTES_REGEX = new PropertyDescriptor.Builder()
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.name("HTTP Headers to receive as Attributes (Regex)")
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.description("Specifies the Regular Expression that determines the names of HTTP Headers that should be passed along as FlowFile attributes")
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.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
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.required(false)
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.build();
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.name("HTTP Headers to receive as Attributes (Regex)")
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.description("Specifies the Regular Expression that determines the names of HTTP Headers that should be passed along as FlowFile attributes")
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.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
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.required(false)
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.build();
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public static final String CONTEXT_ATTRIBUTE_PROCESSOR = "processor";
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public static final String CONTEXT_ATTRIBUTE_LOGGER = "logger";
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@ -173,7 +172,7 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
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toShutdown.stop();
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toShutdown.destroy();
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} catch (final Exception ex) {
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getLogger().warn("unable to cleanly shutdown embedded server due to {}", new Object[]{ex});
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getLogger().warn("unable to cleanly shutdown embedded server due to {}", new Object[] {ex});
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this.server = null;
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}
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}
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@ -235,18 +234,17 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
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connector.setPort(port);
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// add the connector to the server
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server.setConnectors(new Connector[]{connector});
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server.setConnectors(new Connector[] {connector});
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final ServletContextHandler contextHandler = new ServletContextHandler(server, "/", true, (keystorePath != null));
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for (final Class<? extends Servlet> cls : getServerClasses()) {
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final Path path = cls.getAnnotation(Path.class);
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// Note: servlets must have a path annotation - this will NPE otherwise
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// also, servlets other than ListenHttpServlet must have a path starting with /
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if(basePath.isEmpty() && !path.value().isEmpty()){
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if (basePath.isEmpty() && !path.value().isEmpty()) {
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// Note: this is to handle the condition of an empty uri, otherwise pathSpec would start with //
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contextHandler.addServlet(cls, path.value());
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}
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else{
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} else {
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contextHandler.addServlet(cls, "/" + basePath + path.value());
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}
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}
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@ -304,7 +302,7 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
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for (final String id : findOldFlowFileIds(context)) {
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final FlowFileEntryTimeWrapper wrapper = flowFileMap.remove(id);
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if (wrapper != null) {
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getLogger().warn("failed to received acknowledgment for HOLD with ID {}; rolling back session", new Object[]{id});
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getLogger().warn("failed to received acknowledgment for HOLD with ID {}; rolling back session", new Object[] {id});
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wrapper.session.rollback();
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}
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}
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@ -16,6 +16,16 @@
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*/
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package org.apache.nifi.processors.standard;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.nifi.annotation.behavior.EventDriven;
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import org.apache.nifi.annotation.behavior.SupportsBatching;
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@ -33,24 +43,22 @@ import org.apache.nifi.distributed.cache.client.exception.SerializationException
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import org.apache.nifi.expression.AttributeExpression.ResultType;
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import org.apache.nifi.flowfile.FlowFile;
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import org.apache.nifi.logging.ProcessorLog;
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import org.apache.nifi.processor.*;
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import org.apache.nifi.processor.AbstractProcessor;
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import org.apache.nifi.processor.DataUnit;
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import org.apache.nifi.processor.ProcessContext;
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import org.apache.nifi.processor.ProcessSession;
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import org.apache.nifi.processor.Relationship;
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import org.apache.nifi.processor.exception.ProcessException;
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import org.apache.nifi.processor.util.StandardValidators;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.*;
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@EventDriven
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@SupportsBatching
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@Tags({"map", "cache", "put", "distributed"})
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@CapabilityDescription("Gets the content of a FlowFile and puts it to a distributed map cache, using a cache key " +
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"computed from FlowFile attributes. If the cache already contains the entry and the cache update strategy is " +
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"'keep original' the entry is not replaced.'")
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"computed from FlowFile attributes. If the cache already contains the entry and the cache update strategy is " +
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"'keep original' the entry is not replaced.'")
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@WritesAttribute(attribute = "cached", description = "All FlowFiles will have an attribute 'cached'. The value of this " +
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"attribute is true, is the FlowFile is cached, otherwise false.")
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"attribute is true, is the FlowFile is cached, otherwise false.")
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@SeeAlso(classNames = {"org.apache.nifi.distributed.cache.client.DistributedMapCacheClientService", "org.apache.nifi.distributed.cache.server.map.DistributedMapCacheServer"})
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public class PutDistributedMapCache extends AbstractProcessor {
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@ -58,55 +66,55 @@ public class PutDistributedMapCache extends AbstractProcessor {
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// Identifies the distributed map cache client
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public static final PropertyDescriptor DISTRIBUTED_CACHE_SERVICE = new PropertyDescriptor.Builder()
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.name("Distributed Cache Service")
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.description("The Controller Service that is used to cache flow files")
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.required(true)
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.identifiesControllerService(DistributedMapCacheClient.class)
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.build();
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.name("Distributed Cache Service")
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.description("The Controller Service that is used to cache flow files")
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.required(true)
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.identifiesControllerService(DistributedMapCacheClient.class)
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.build();
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// Selects the FlowFile attribute, whose value is used as cache key
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public static final PropertyDescriptor CACHE_ENTRY_IDENTIFIER = new PropertyDescriptor.Builder()
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.name("Cache Entry Identifier")
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.description("A FlowFile attribute, or the results of an Attribute Expression Language statement, which will " +
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"be evaluated against a FlowFile in order to determine the cache key")
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.required(true)
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.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(ResultType.STRING, true))
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.expressionLanguageSupported(true)
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.build();
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.name("Cache Entry Identifier")
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.description("A FlowFile attribute, or the results of an Attribute Expression Language statement, which will " +
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"be evaluated against a FlowFile in order to determine the cache key")
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.required(true)
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.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(ResultType.STRING, true))
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.expressionLanguageSupported(true)
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.build();
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public static final AllowableValue CACHE_UPDATE_REPLACE = new AllowableValue("replace", "Replace if present",
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"Adds the specified entry to the cache, replacing any value that is currently set.");
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"Adds the specified entry to the cache, replacing any value that is currently set.");
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public static final AllowableValue CACHE_UPDATE_KEEP_ORIGINAL = new AllowableValue("keeporiginal", "Keep original",
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"Adds the specified entry to the cache, if the key does not exist.");
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"Adds the specified entry to the cache, if the key does not exist.");
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public static final PropertyDescriptor CACHE_UPDATE_STRATEGY = new PropertyDescriptor.Builder()
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.name("Cache update strategy")
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.description("Determines how the cache is updated if the cache already contains the entry")
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.required(true)
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.allowableValues(CACHE_UPDATE_REPLACE, CACHE_UPDATE_KEEP_ORIGINAL)
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.defaultValue(CACHE_UPDATE_REPLACE.getValue())
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.build();
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.name("Cache update strategy")
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.description("Determines how the cache is updated if the cache already contains the entry")
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.required(true)
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.allowableValues(CACHE_UPDATE_REPLACE, CACHE_UPDATE_KEEP_ORIGINAL)
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.defaultValue(CACHE_UPDATE_REPLACE.getValue())
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.build();
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public static final PropertyDescriptor CACHE_ENTRY_MAX_BYTES = new PropertyDescriptor.Builder()
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.name("Max cache entry size")
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.description("The maximum amount of data to put into cache")
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.required(false)
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.addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
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.defaultValue("1 MB")
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.expressionLanguageSupported(false)
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.build();
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.name("Max cache entry size")
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.description("The maximum amount of data to put into cache")
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.required(false)
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.addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
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.defaultValue("1 MB")
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.expressionLanguageSupported(false)
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.build();
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public static final Relationship REL_SUCCESS = new Relationship.Builder()
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.name("success")
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.description("Any FlowFile that is successfully inserted into cache will be routed to this relationship")
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.build();
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.name("success")
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.description("Any FlowFile that is successfully inserted into cache will be routed to this relationship")
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.build();
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public static final Relationship REL_FAILURE = new Relationship.Builder()
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.name("failure")
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.description("Any FlowFile that cannot be inserted into the cache will be routed to this relationship")
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.build();
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.name("failure")
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.description("Any FlowFile that cannot be inserted into the cache will be routed to this relationship")
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.build();
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private final Set<Relationship> relationships;
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||||
private final Serializer<String> keySerializer = new StringSerializer();
|
||||
|
|
@ -207,7 +215,7 @@ public class PutDistributedMapCache extends AbstractProcessor {
|
|||
} catch (final IOException e) {
|
||||
flowFile = session.penalize(flowFile);
|
||||
session.transfer(flowFile, REL_FAILURE);
|
||||
logger.error("Unable to communicate with cache when processing {} due to {}", new Object[]{flowFile, e});
|
||||
logger.error("Unable to communicate with cache when processing {} due to {}", new Object[] {flowFile, e});
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -16,6 +16,14 @@
|
|||
*/
|
||||
package org.apache.nifi.processors.standard;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.ConcurrentHashMap;
|
||||
import java.util.concurrent.ConcurrentMap;
|
||||
|
||||
import org.apache.nifi.controller.AbstractControllerService;
|
||||
import org.apache.nifi.distributed.cache.client.Deserializer;
|
||||
import org.apache.nifi.distributed.cache.client.DistributedMapCacheClient;
|
||||
|
|
@ -26,22 +34,11 @@ import org.apache.nifi.util.TestRunner;
|
|||
import org.apache.nifi.util.TestRunners;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.ConcurrentHashMap;
|
||||
import java.util.concurrent.ConcurrentMap;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
public class TestPutDistributedMapCache {
|
||||
|
||||
private TestRunner runner;
|
||||
private MockCacheClient service;
|
||||
private PutDistributedMapCache processor;
|
||||
|
||||
@Before
|
||||
public void setup() throws InitializationException {
|
||||
|
|
@ -57,7 +54,7 @@ public class TestPutDistributedMapCache {
|
|||
public void testNoCacheKey() throws InitializationException {
|
||||
|
||||
runner.setProperty(PutDistributedMapCache.CACHE_ENTRY_IDENTIFIER, "${caheKeyAttribute}");
|
||||
runner.enqueue(new byte[]{});
|
||||
runner.enqueue(new byte[] {});
|
||||
|
||||
runner.run();
|
||||
|
||||
|
|
@ -99,7 +96,7 @@ public class TestPutDistributedMapCache {
|
|||
props.put("caheKeyAttribute", "2");
|
||||
|
||||
// flow file without content
|
||||
runner.enqueue(new byte[]{}, props);
|
||||
runner.enqueue(new byte[] {}, props);
|
||||
|
||||
runner.run();
|
||||
|
||||
|
|
@ -171,7 +168,7 @@ public class TestPutDistributedMapCache {
|
|||
|
||||
runner.clearTransferState();
|
||||
|
||||
//we expect that the cache entry is replaced
|
||||
// we expect that the cache entry is replaced
|
||||
value = service.get("replaceme", new PutDistributedMapCache.StringSerializer(), new PutDistributedMapCache.CacheValueDeserializer());
|
||||
assertEquals(replaced, new String(value, "UTF-8"));
|
||||
}
|
||||
|
|
@ -215,7 +212,7 @@ public class TestPutDistributedMapCache {
|
|||
|
||||
runner.clearTransferState();
|
||||
|
||||
//we expect that the cache entry is NOT replaced
|
||||
// we expect that the cache entry is NOT replaced
|
||||
value = service.get("replaceme", new PutDistributedMapCache.StringSerializer(), new PutDistributedMapCache.CacheValueDeserializer());
|
||||
assertEquals(original, new String(value, "UTF-8"));
|
||||
}
|
||||
|
|
@ -225,7 +222,7 @@ public class TestPutDistributedMapCache {
|
|||
private boolean failOnCalls = false;
|
||||
|
||||
private void verifyNotFail() throws IOException {
|
||||
if ( failOnCalls ) {
|
||||
if (failOnCalls) {
|
||||
throw new IOException("Could not call to remote service because Unit Test marked service unavailable");
|
||||
}
|
||||
}
|
||||
|
|
@ -240,7 +237,7 @@ public class TestPutDistributedMapCache {
|
|||
@Override
|
||||
@SuppressWarnings("unchecked")
|
||||
public <K, V> V getAndPutIfAbsent(final K key, final V value, final Serializer<K> keySerializer, final Serializer<V> valueSerializer,
|
||||
final Deserializer<V> valueDeserializer) throws IOException {
|
||||
final Deserializer<V> valueDeserializer) throws IOException {
|
||||
verifyNotFail();
|
||||
return (V) values.putIfAbsent(key, value);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue