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authorasgar <sammoham@in.ibm.com>2018-09-12 13:52:24 +0530
committerasgar <sammoham@in.ibm.com>2018-09-12 13:56:50 +0530
commit7a06eb746b2f13b2630bb5e4b5846c0a1f7d7ded (patch)
tree53cd21034c6c1b9b4f8b6456ad15c6e782d99707 /src/main/java/com/att/nsa
parentd45a6e11be79157fb32e5cd6252a14747406e20f (diff)
couple of fixes in MRClientBuilders.java
Change-Id: Iad8229ec47c2fc08390f203edeb51acd74058e61 Issue-ID: DMAAP-770 Signed-off-by: Mohamed Asgar Samiulla <sammoham@in.ibm.com>
Diffstat (limited to 'src/main/java/com/att/nsa')
-rw-r--r--src/main/java/com/att/nsa/mr/client/MRClientBuilders.java746
1 files changed, 406 insertions, 340 deletions
diff --git a/src/main/java/com/att/nsa/mr/client/MRClientBuilders.java b/src/main/java/com/att/nsa/mr/client/MRClientBuilders.java
index 76df039..73ef5c4 100644
--- a/src/main/java/com/att/nsa/mr/client/MRClientBuilders.java
+++ b/src/main/java/com/att/nsa/mr/client/MRClientBuilders.java
@@ -4,6 +4,8 @@
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
+ * Modifications Copyright © 2018 IBM.
+ * ================================================================================
* 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 at
@@ -40,344 +42,408 @@ import com.att.nsa.mr.client.impl.MRSimplerBatchPublisher;
*/
public class MRClientBuilders
{
- /**
- * A builder for a topic Consumer
- * @author author
- */
- public static class ConsumerBuilder
- {
- /**
- * Construct a consumer builder.
- */
- public ConsumerBuilder () {}
-
- /**
- * Set the host list
- * @param hostList a comma-separated list of hosts to use to connect to MR
- * @return this builder
- */
- public ConsumerBuilder usingHosts ( String hostList ) { return usingHosts ( MRConsumerImpl.stringToList(hostList) ); }
-
- /**
- * Set the host list
- * @param hostSet a set of hosts to use to connect to MR
- * @return this builder
- */
- public ConsumerBuilder usingHosts ( Collection<String> hostSet ) { fHosts = hostSet; return this; }
-
- /**
- * Set the topic
- * @param topic the name of the topic to consume
- * @return this builder
- */
- public ConsumerBuilder onTopic ( String topic ) { fTopic=topic; return this; }
-
- /**
- * Set the consumer's group and ID
- * @param consumerGroup The name of the consumer group this consumer is part of
- * @param consumerId The unique id of this consumer in its group
- * @return this builder
- */
- public ConsumerBuilder knownAs ( String consumerGroup, String consumerId ) { fGroup = consumerGroup; fId = consumerId; return this; }
-
- /**
- * Set the API key and secret for this client.
- * @param apiKey
- * @param apiSecret
- * @return this builder
- */
- public ConsumerBuilder authenticatedBy ( String apiKey, String apiSecret ) { fApiKey = apiKey; fApiSecret = apiSecret; return this; }
-
- /**
- * Set the server side timeout
- * @param timeoutMs The amount of time in milliseconds that the server should keep the connection open while waiting for message traffic.
- * @return this builder
- */
- public ConsumerBuilder waitAtServer ( int timeoutMs ) { fTimeoutMs = timeoutMs; return this; };
-
- /**
- * Set the maximum number of messages to receive per transaction
- * @param limit The maximum number of messages to receive from the server in one transaction.
- * @return this builder
- */
- public ConsumerBuilder receivingAtMost ( int limit ) { fLimit = limit; return this; };
-
- /**
- * Set a filter to use on the server
- * @param filter a Highland Park standard library filter encoded in JSON
- * @return this builder
- */
- public ConsumerBuilder withServerSideFilter ( String filter ) { fFilter = filter; return this; }
-
- /**
- * Build the consumer
- * @return a consumer
- */
- public MRConsumer build ()
- {
- if ( fHosts == null || fHosts.size() == 0 || fTopic == null )
- {
- throw new IllegalArgumentException ( "You must provide at least one host and a topic name." );
- }
-
- if ( fGroup == null )
- {
- fGroup = UUID.randomUUID ().toString ();
- fId = "0";
- log.info ( "Creating non-restartable client with group " + fGroup + " and ID " + fId + "." );
- }
-
- if ( sfConsumerMock != null ) return sfConsumerMock;
- try {
- return new MRConsumerImpl ( fHosts, fTopic, fGroup, fId, fTimeoutMs, fLimit, fFilter, fApiKey, fApiSecret );
- } catch (MalformedURLException e) {
- throw new IllegalArgumentException(e);
- }
- }
-
- private Collection<String> fHosts = null;
- private String fTopic = null;
- private String fGroup = null;
- private String fId = null;
- private String fApiKey = null;
- private String fApiSecret = null;
- private int fTimeoutMs = -1;
- private int fLimit = -1;
- private String fFilter = null;
- }
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
- /**
- * A publisher builder
- * @author author
- */
- public static class PublisherBuilder
- {
- public PublisherBuilder () {}
-
- /**
- * Set the MR/UEB host(s) to use
- * @param hostlist The host(s) used in the URL to MR. Can be "host:port", can be multiple comma-separated entries.
- * @return this builder
- */
- public PublisherBuilder usingHosts ( String hostlist ) { return usingHosts ( MRConsumerImpl.stringToList(hostlist) ); }
-
- /**
- * Set the MR/UEB host(s) to use
- * @param hostSet The host(s) used in the URL to MR. Can be "host:port"
- * @return this builder
- */
- public PublisherBuilder usingHosts ( String[] hostSet )
- {
- final TreeSet<String> hosts = new TreeSet<String> ();
- for ( String hp : hostSet )
- {
- hosts.add ( hp );
- }
- return usingHosts ( hosts );
- }
-
- /**
- * Set the MR/UEB host(s) to use
- * @param hostlist The host(s) used in the URL to MR. Can be "host:port".
- * @return this builder
- */
- public PublisherBuilder usingHosts ( Collection<String> hostlist ) { fHosts=hostlist; return this; }
-
- /**
- * Set the topic to publish on
- * @param topic The topic on which to publish messages.
- * @return this builder
- */
- public PublisherBuilder onTopic ( String topic ) { fTopic = topic; return this; }
-
- /**
- * Batch message sends with the given limits.
- * @param messageCount The largest set of messages to batch.
- * @param ageInMs The maximum age of a message waiting in a batch.
- * @return this builder
- */
- public PublisherBuilder limitBatch ( int messageCount, int ageInMs ) { fMaxBatchSize = messageCount; fMaxBatchAgeMs = ageInMs; return this; }
-
- /**
- * Compress transactions
- * @return this builder
- */
- public PublisherBuilder withCompresion () { return enableCompresion(true); }
-
- /**
- * Do not compress transactions
- * @return this builder
- */
- public PublisherBuilder withoutCompresion () { return enableCompresion(false); }
-
- /**
- * Set the compression option
- * @param compress true to gzip compress transactions
- * @return this builder
- */
- public PublisherBuilder enableCompresion ( boolean compress ) { fCompress = compress; return this; }
-
- /**
- * Set the API key and secret for this client.
- * @param apiKey
- * @param apiSecret
- * @return this builder
- */
- public PublisherBuilder authenticatedBy ( String apiKey, String apiSecret ) { fApiKey = apiKey; fApiSecret = apiSecret; return this; }
-
- /**
- * Build the publisher
- * @return a batching publisher
- */
- public MRBatchingPublisher build ()
- {
- if ( fHosts == null || fHosts.isEmpty() || fTopic == null )
- {
- throw new IllegalArgumentException ( "You must provide at least one host and a topic name." );
- }
-
- if ( sfPublisherMock != null ) return sfPublisherMock;
-
- final MRSimplerBatchPublisher pub = new MRSimplerBatchPublisher.Builder ().
- againstUrls ( fHosts ).
- onTopic ( fTopic ).
- batchTo ( fMaxBatchSize, fMaxBatchAgeMs ).
- compress ( fCompress ).
- build ();
- if ( fApiKey != null )
- {
- pub.setApiCredentials ( fApiKey, fApiSecret );
- }
- return pub;
- }
-
- private Collection<String> fHosts = null;
- private String fTopic = null;
- private int fMaxBatchSize = 1;
- private int fMaxBatchAgeMs = 1;
- private boolean fCompress = false;
- private String fApiKey = null;
- private String fApiSecret = null;
- }
-
- /**
- * A builder for an identity manager
- * @author author
- */
- public static class IdentityManagerBuilder extends AbstractAuthenticatedManagerBuilder<MRIdentityManager>
- {
- /**
- * Construct an identity manager builder.
- */
- public IdentityManagerBuilder () {}
-
- @Override
- protected MRIdentityManager constructClient ( Collection<String> hosts ) { try {
- return new MRMetaClient ( hosts );
- } catch (MalformedURLException e) {
- throw new IllegalArgumentException(e);
- } }
- }
-
- /**
- * A builder for a topic manager
- * @author author
- */
- public static class TopicManagerBuilder extends AbstractAuthenticatedManagerBuilder<MRTopicManager>
- {
- /**
- * Construct an topic manager builder.
- */
- public TopicManagerBuilder () {}
-
- @Override
- protected MRTopicManager constructClient ( Collection<String> hosts ) { try {
- return new MRMetaClient ( hosts );
- } catch (MalformedURLException e) {
- throw new IllegalArgumentException(e);
- } }
- }
-
- /**
- * Inject a consumer. Used to support unit tests.
- * @param cc
- */
- public static void $testInject ( MRConsumer cc )
- {
- sfConsumerMock = cc;
- }
-
- /**
- * Inject a publisher. Used to support unit tests.
- * @param pub
- */
- public static void $testInject ( MRBatchingPublisher pub )
- {
- sfPublisherMock = pub;
- }
-
- static MRConsumer sfConsumerMock = null;
- static MRBatchingPublisher sfPublisherMock = null;
-
- /**
- * A builder for an identity manager
- * @author author
- */
- public static abstract class AbstractAuthenticatedManagerBuilder<T extends MRClient>
- {
- /**
- * Construct an identity manager builder.
- */
- public AbstractAuthenticatedManagerBuilder () {}
-
- /**
- * Set the host list
- * @param hostList a comma-separated list of hosts to use to connect to MR
- * @return this builder
- */
- public AbstractAuthenticatedManagerBuilder<T> usingHosts ( String hostList ) { return usingHosts ( MRConsumerImpl.stringToList(hostList) ); }
-
- /**
- * Set the host list
- * @param hostSet a set of hosts to use to connect to MR
- * @return this builder
- */
- public AbstractAuthenticatedManagerBuilder<T> usingHosts ( Collection<String> hostSet ) { fHosts = hostSet; return this; }
-
- /**
- * Set the API key and secret for this client.
- * @param apiKey
- * @param apiSecret
- * @return this builder
- */
- public AbstractAuthenticatedManagerBuilder<T> authenticatedBy ( String apiKey, String apiSecret ) { fApiKey = apiKey; fApiSecret = apiSecret; return this; }
-
- /**
- * Build the consumer
- * @return a consumer
- */
- public T build ()
- {
- if ( fHosts.isEmpty() )
- {
- throw new IllegalArgumentException ( "You must provide at least one host and a topic name." );
- }
-
- final T mgr = constructClient ( fHosts );
- mgr.setApiCredentials ( fApiKey, fApiSecret );
- return mgr;
- }
-
- protected abstract T constructClient ( Collection<String> hosts );
-
- private Collection<String> fHosts = null;
- private String fApiKey = null;
- private String fApiSecret = null;
- }
-
- private static final Logger log = LoggerFactory.getLogger ( MRClientBuilders.class );
+
+ /**
+ * Instantiates MRClientBuilders.
+ */
+ private MRClientBuilders() {
+ // prevent instantiation
+ }
+
+ /**
+ * A builder for a topic Consumer
+ * @author author
+ */
+ public static class ConsumerBuilder
+ {
+ /**
+ * Construct a consumer builder.
+ */
+ public ConsumerBuilder () {}
+
+ /**
+ * Set the host list
+ * @param hostList a comma-separated list of hosts to use to connect to MR
+ * @return this builder
+ */
+ public ConsumerBuilder usingHosts ( String hostList ) {
+ return usingHosts ( MRConsumerImpl.stringToList(hostList) );
+ }
+
+ /**
+ * Set the host list
+ * @param hostSet a set of hosts to use to connect to MR
+ * @return this builder
+ */
+ public ConsumerBuilder usingHosts ( Collection<String> hostSet ) {
+ fHosts = hostSet; return this;
+ }
+
+ /**
+ * Set the topic
+ * @param topic the name of the topic to consume
+ * @return this builder
+ */
+ public ConsumerBuilder onTopic ( String topic ) {
+ fTopic=topic;
+ return this;
+ }
+
+ /**
+ * Set the consumer's group and ID
+ * @param consumerGroup The name of the consumer group this consumer is part of
+ * @param consumerId The unique id of this consumer in its group
+ * @return this builder
+ */
+ public ConsumerBuilder knownAs ( String consumerGroup, String consumerId ) {
+ fGroup = consumerGroup;
+ fId = consumerId;
+ return this;
+ }
+
+ /**
+ * Set the API key and secret for this client.
+ * @param apiKey
+ * @param apiSecret
+ * @return this builder
+ */
+ public ConsumerBuilder authenticatedBy ( String apiKey, String apiSecret ) {
+ fApiKey = apiKey;
+ fApiSecret = apiSecret;
+ return this;
+ }
+
+ /**
+ * Set the server side timeout
+ * @param timeoutMs The amount of time in milliseconds that the server should keep the connection open while waiting for message traffic.
+ * @return this builder
+ */
+ public ConsumerBuilder waitAtServer ( int timeoutMs ) {
+ fTimeoutMs = timeoutMs;
+ return this;
+ };
+
+ /**
+ * Set the maximum number of messages to receive per transaction
+ * @param limit The maximum number of messages to receive from the server in one transaction.
+ * @return this builder
+ */
+ public ConsumerBuilder receivingAtMost ( int limit ) {
+ fLimit = limit;
+ return this;
+ };
+
+ /**
+ * Set a filter to use on the server
+ * @param filter a Highland Park standard library filter encoded in JSON
+ * @return this builder
+ */
+ public ConsumerBuilder withServerSideFilter ( String filter ) {
+ fFilter = filter;
+ return this;
+ }
+
+ /**
+ * Build the consumer
+ * @return a consumer
+ */
+ public MRConsumer build ()
+ {
+ if ( fHosts == null || fHosts.size() == 0 || fTopic == null )
+ {
+ throw new IllegalArgumentException ( "You must provide at least one host and a topic name." );
+ }
+
+ if ( fGroup == null )
+ {
+ fGroup = UUID.randomUUID ().toString ();
+ fId = "0";
+ log.info ( "Creating non-restartable client with group " + fGroup + " and ID " + fId + "." );
+ }
+
+ if ( sfConsumerMock != null ) return sfConsumerMock;
+ try {
+ return new MRConsumerImpl ( fHosts, fTopic, fGroup, fId, fTimeoutMs, fLimit, fFilter, fApiKey, fApiSecret );
+ } catch (MalformedURLException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ private Collection<String> fHosts = null;
+ private String fTopic = null;
+ private String fGroup = null;
+ private String fId = null;
+ private String fApiKey = null;
+ private String fApiSecret = null;
+ private int fTimeoutMs = -1;
+ private int fLimit = -1;
+ private String fFilter = null;
+ }
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ /**
+ * A publisher builder
+ * @author author
+ */
+ public static class PublisherBuilder
+ {
+ public PublisherBuilder () {}
+
+ /**
+ * Set the MR/UEB host(s) to use
+ * @param hostlist The host(s) used in the URL to MR. Can be "host:port", can be multiple comma-separated entries.
+ * @return this builder
+ */
+ public PublisherBuilder usingHosts ( String hostlist ) {
+ return usingHosts ( MRConsumerImpl.stringToList(hostlist) );
+ }
+
+ /**
+ * Set the MR/UEB host(s) to use
+ * @param hostSet The host(s) used in the URL to MR. Can be "host:port"
+ * @return this builder
+ */
+ public PublisherBuilder usingHosts ( String[] hostSet )
+ {
+ final TreeSet<String> hosts = new TreeSet<String> ();
+ for ( String hp : hostSet )
+ {
+ hosts.add ( hp );
+ }
+ return usingHosts ( hosts );
+ }
+
+ /**
+ * Set the MR/UEB host(s) to use
+ * @param hostlist The host(s) used in the URL to MR. Can be "host:port".
+ * @return this builder
+ */
+ public PublisherBuilder usingHosts ( Collection<String> hostlist ) {
+ fHosts=hostlist;
+ return this;
+ }
+
+ /**
+ * Set the topic to publish on
+ * @param topic The topic on which to publish messages.
+ * @return this builder
+ */
+ public PublisherBuilder onTopic ( String topic ) {
+ fTopic = topic;
+ return this;
+ }
+
+ /**
+ * Batch message sends with the given limits.
+ * @param messageCount The largest set of messages to batch.
+ * @param ageInMs The maximum age of a message waiting in a batch.
+ * @return this builder
+ */
+ public PublisherBuilder limitBatch ( int messageCount, int ageInMs ) {
+ fMaxBatchSize = messageCount;
+ fMaxBatchAgeMs = ageInMs;
+ return this;
+ }
+
+ /**
+ * Compress transactions
+ * @return this builder
+ */
+ public PublisherBuilder withCompresion () {
+ return enableCompresion(true);
+ }
+
+ /**
+ * Do not compress transactions
+ * @return this builder
+ */
+ public PublisherBuilder withoutCompresion () {
+ return enableCompresion(false);
+ }
+
+ /**
+ * Set the compression option
+ * @param compress true to gzip compress transactions
+ * @return this builder
+ */
+ public PublisherBuilder enableCompresion ( boolean compress ) {
+ fCompress = compress;
+ return this;
+ }
+
+ /**
+ * Set the API key and secret for this client.
+ * @param apiKey
+ * @param apiSecret
+ * @return this builder
+ */
+ public PublisherBuilder authenticatedBy ( String apiKey, String apiSecret ) {
+ fApiKey = apiKey;
+ fApiSecret = apiSecret;
+ return this;
+ }
+
+ /**
+ * Build the publisher
+ * @return a batching publisher
+ */
+ public MRBatchingPublisher build ()
+ {
+ if ( fHosts == null || fHosts.isEmpty() || fTopic == null )
+ {
+ throw new IllegalArgumentException ( "You must provide at least one host and a topic name." );
+ }
+
+ if ( sfPublisherMock != null ) return sfPublisherMock;
+
+ final MRSimplerBatchPublisher pub = new MRSimplerBatchPublisher.Builder ().
+ againstUrls ( fHosts ).
+ onTopic ( fTopic ).
+ batchTo ( fMaxBatchSize, fMaxBatchAgeMs ).
+ compress ( fCompress ).
+ build ();
+ if ( fApiKey != null )
+ {
+ pub.setApiCredentials ( fApiKey, fApiSecret );
+ }
+ return pub;
+ }
+
+ private Collection<String> fHosts = null;
+ private String fTopic = null;
+ private int fMaxBatchSize = 1;
+ private int fMaxBatchAgeMs = 1;
+ private boolean fCompress = false;
+ private String fApiKey = null;
+ private String fApiSecret = null;
+ }
+
+ /**
+ * A builder for an identity manager
+ * @author author
+ */
+ public static class IdentityManagerBuilder extends AbstractAuthenticatedManagerBuilder<MRIdentityManager>
+ {
+ /**
+ * Construct an identity manager builder.
+ */
+ public IdentityManagerBuilder () {}
+
+ @Override
+ protected MRIdentityManager constructClient ( Collection<String> hosts ) { try {
+ return new MRMetaClient ( hosts );
+ } catch (MalformedURLException e) {
+ throw new IllegalArgumentException(e);
+ } }
+ }
+
+ /**
+ * A builder for a topic manager
+ * @author author
+ */
+ public static class TopicManagerBuilder extends AbstractAuthenticatedManagerBuilder<MRTopicManager>
+ {
+ /**
+ * Construct an topic manager builder.
+ */
+ public TopicManagerBuilder () {}
+
+ @Override
+ protected MRTopicManager constructClient ( Collection<String> hosts ) { try {
+ return new MRMetaClient ( hosts );
+ } catch (MalformedURLException e) {
+ throw new IllegalArgumentException(e);
+ } }
+ }
+
+ /**
+ * Inject a consumer. Used to support unit tests.
+ * @param cc
+ */
+ public static void $testInject ( MRConsumer cc )
+ {
+ sfConsumerMock = cc;
+ }
+
+ /**
+ * Inject a publisher. Used to support unit tests.
+ * @param pub
+ */
+ public static void $testInject ( MRBatchingPublisher pub )
+ {
+ sfPublisherMock = pub;
+ }
+
+ static MRConsumer sfConsumerMock = null;
+ static MRBatchingPublisher sfPublisherMock = null;
+
+ /**
+ * A builder for an identity manager
+ * @author author
+ */
+ public static abstract class AbstractAuthenticatedManagerBuilder<T extends MRClient>
+ {
+ /**
+ * Construct an identity manager builder.
+ */
+ public AbstractAuthenticatedManagerBuilder () {}
+
+ /**
+ * Set the host list
+ * @param hostList a comma-separated list of hosts to use to connect to MR
+ * @return this builder
+ */
+ public AbstractAuthenticatedManagerBuilder<T> usingHosts ( String hostList ) {
+ return usingHosts ( MRConsumerImpl.stringToList(hostList) );
+ }
+
+ /**
+ * Set the host list
+ * @param hostSet a set of hosts to use to connect to MR
+ * @return this builder
+ */
+ public AbstractAuthenticatedManagerBuilder<T> usingHosts ( Collection<String> hostSet ) {
+ fHosts = hostSet;
+ return this;
+ }
+
+ /**
+ * Set the API key and secret for this client.
+ * @param apiKey
+ * @param apiSecret
+ * @return this builder
+ */
+ public AbstractAuthenticatedManagerBuilder<T> authenticatedBy ( String apiKey, String apiSecret ) {
+ fApiKey = apiKey;
+ fApiSecret = apiSecret;
+ return this;
+ }
+
+ /**
+ * Build the consumer
+ * @return a consumer
+ */
+ public T build ()
+ {
+ if ( fHosts.isEmpty() )
+ {
+ throw new IllegalArgumentException ( "You must provide at least one host and a topic name." );
+ }
+
+ final T mgr = constructClient ( fHosts );
+ mgr.setApiCredentials ( fApiKey, fApiSecret );
+ return mgr;
+ }
+
+ protected abstract T constructClient ( Collection<String> hosts );
+
+ private Collection<String> fHosts = null;
+ private String fApiKey = null;
+ private String fApiSecret = null;
+ }
+
+ private static final Logger log = LoggerFactory.getLogger ( MRClientBuilders.class );
}