From 0f20a7dd14b8e0ec63477c4a8930506950d349cb Mon Sep 17 00:00:00 2001 From: Macieg Date: Thu, 23 Jan 2020 04:58:32 +0100 Subject: [PATCH 1/3] SCALA-38 (#8548) --- .../com/baeldung/scala/RegexUnitTest.scala | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 core-scala/src/test/scala/com/baeldung/scala/RegexUnitTest.scala diff --git a/core-scala/src/test/scala/com/baeldung/scala/RegexUnitTest.scala b/core-scala/src/test/scala/com/baeldung/scala/RegexUnitTest.scala new file mode 100644 index 0000000000..94263d620a --- /dev/null +++ b/core-scala/src/test/scala/com/baeldung/scala/RegexUnitTest.scala @@ -0,0 +1,73 @@ +package com.baeldung.scala + +import org.junit.Test +import org.junit.Assert.assertEquals + +class RegexUnitTest { + private val polishPostalCode = "([0-9]{2})\\-([0-9]{3})".r + private val timestamp = "([0-9]{2}):([0-9]{2}):([0-9]{2}).([0-9]{3})".r + private val timestampUnanchored = timestamp.unanchored + + @Test + def givenRegularExpression_whenCallingFindFirstIn_thenShouldFindCorrectMatches(): Unit = { + val postCode = polishPostalCode.findFirstIn("Warsaw 01-011, Jerusalem Avenue") + assertEquals(Some("01-011"), postCode) + } + + @Test + def givenRegularExpression_whenCallingFindFirstMatchIn_thenShouldFindCorrectMatches(): Unit = { + val postCodes = polishPostalCode.findFirstMatchIn("Warsaw 01-011, Jerusalem Avenue") + assertEquals(Some("011"), for (m <- postCodes) yield m.group(2)) + } + + @Test + def givenRegularExpression_whenCallingFindAllIn_thenShouldFindCorrectMatches(): Unit = { + val postCodes = polishPostalCode.findAllIn("Warsaw 01-011, Jerusalem Avenue, Cracow 30-059, Mickiewicza Avenue") + .toList + assertEquals(List("01-011", "30-059"), postCodes) + + polishPostalCode.findAllIn("Warsaw 01-011, Jerusalem Avenue, Cracow 30-059, Mickiewicza Avenue") + } + + @Test + def givenRegularExpression_whenCallingFindAlMatchlIn_thenShouldFindCorrectMatches(): Unit = { + val postCodes = polishPostalCode.findAllMatchIn("Warsaw 01-011, Jerusalem Avenue, Cracow 30-059, Mickiewicza Avenue") + .toList + val postalDistricts = for (m <- postCodes) yield m.group(1) + assertEquals(List("01", "30"), postalDistricts) + } + + @Test + def givenRegularExpression_whenExtractingValues_thenShouldExtractCorrectValues(): Unit = { + val description = "11:34:01.411" match { + case timestamp(hour, minutes, _, _) => s"It's $minutes minutes after $hour" + } + + assertEquals("It's 34 minutes after 11", description) + } + + @Test + def givenUnanchoredRegularExpression_whenExtractingValues_thenShouldExtractCorrectValues(): Unit = { + val description = "Timestamp: 11:34:01.411 error appeared" match { + case timestampUnanchored(hour, minutes, _, _) => s"It's $minutes minutes after $hour" + } + + assertEquals("It's 34 minutes after 11", description) + } + + @Test + def givenRegularExpression_whenCallingReplaceAllIn_thenShouldReplaceText(): Unit = { + val minutes = timestamp.replaceAllIn("11:34:01.311", m => m.group(2)) + + assertEquals("34", minutes) + } + + @Test + def givenRegularExpression_whenCallingReplaceAllInWithMatcher_thenShouldReplaceText(): Unit = { + val secondsThatDayInTotal = timestamp.replaceAllIn("11:34:01.311", _ match { + case timestamp(hours, minutes, seconds, _) => s"$hours-$minutes" + }) + + assertEquals("11-34", secondsThatDayInTotal) + } +} From f46ea65783fb868c51d8d4ab5b16e3630d8462e7 Mon Sep 17 00:00:00 2001 From: rdevarakonda Date: Thu, 23 Jan 2020 16:19:54 +0000 Subject: [PATCH 2/3] BAEL-3458 | Jsoniter parsing API examples (#8508) --- json-2/README.md | 5 ++ json-2/pom.xml | 41 +++++++++ .../com/baeldung/jsoniter/model/Name.java | 22 +++++ .../com/baeldung/jsoniter/model/Student.java | 26 ++++++ .../jsoniter/JsoniterIntroUnitTest.java | 85 +++++++++++++++++++ json-2/src/test/resources/Student.json | 1 + pom.xml | 1 + 7 files changed, 181 insertions(+) create mode 100644 json-2/README.md create mode 100644 json-2/pom.xml create mode 100644 json-2/src/main/java/com/baeldung/jsoniter/model/Name.java create mode 100644 json-2/src/main/java/com/baeldung/jsoniter/model/Student.java create mode 100644 json-2/src/test/java/com/baeldung/jsoniter/JsoniterIntroUnitTest.java create mode 100644 json-2/src/test/resources/Student.json diff --git a/json-2/README.md b/json-2/README.md new file mode 100644 index 0000000000..e7c3043339 --- /dev/null +++ b/json-2/README.md @@ -0,0 +1,5 @@ +## JSON + +This module contains articles about JSON. + +### Relevant Articles: diff --git a/json-2/pom.xml b/json-2/pom.xml new file mode 100644 index 0000000000..72b3295b2b --- /dev/null +++ b/json-2/pom.xml @@ -0,0 +1,41 @@ + + + com.baeldung + json-2 + 0.0.1-SNAPSHOT + + + parent-modules + com.baeldung + 1.0.0-SNAPSHOT + + 4.0.0 + + + + com.jsoniter + jsoniter + ${jsoniter.version} + + + + junit + junit + ${junit.version} + test + + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + + 0.9.23 + 3.11.1 + + diff --git a/json-2/src/main/java/com/baeldung/jsoniter/model/Name.java b/json-2/src/main/java/com/baeldung/jsoniter/model/Name.java new file mode 100644 index 0000000000..ed5e221235 --- /dev/null +++ b/json-2/src/main/java/com/baeldung/jsoniter/model/Name.java @@ -0,0 +1,22 @@ +package com.baeldung.jsoniter.model; + +public class Name { + private String firstName; + private String surname; + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getSurname() { + return surname; + } + + public void setSurname(String surname) { + this.surname = surname; + } +} diff --git a/json-2/src/main/java/com/baeldung/jsoniter/model/Student.java b/json-2/src/main/java/com/baeldung/jsoniter/model/Student.java new file mode 100644 index 0000000000..07c73dd18e --- /dev/null +++ b/json-2/src/main/java/com/baeldung/jsoniter/model/Student.java @@ -0,0 +1,26 @@ +package com.baeldung.jsoniter.model; + +import com.jsoniter.annotation.JsonProperty; +import com.jsoniter.fuzzy.MaybeStringIntDecoder; + +public class Student { + @JsonProperty(decoder = MaybeStringIntDecoder.class) + private int id; + private Name name; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Name getName() { + return name; + } + + public void setName(Name name) { + this.name = name; + } +} diff --git a/json-2/src/test/java/com/baeldung/jsoniter/JsoniterIntroUnitTest.java b/json-2/src/test/java/com/baeldung/jsoniter/JsoniterIntroUnitTest.java new file mode 100644 index 0000000000..09f82567a2 --- /dev/null +++ b/json-2/src/test/java/com/baeldung/jsoniter/JsoniterIntroUnitTest.java @@ -0,0 +1,85 @@ +package com.baeldung.jsoniter; + +import com.baeldung.jsoniter.model.Name; +import com.baeldung.jsoniter.model.Student; +import com.jsoniter.JsonIterator; +import com.jsoniter.ValueType; +import com.jsoniter.any.Any; + +import org.junit.Test; + +import static com.jsoniter.ValueType.STRING; +import static org.assertj.core.api.Assertions.assertThat; + +public class JsoniterIntroUnitTest { + + @Test + public void whenParsedUsingBindAPI_thenConvertedToJavaObjectCorrectly() { + String input = "{\"id\":1,\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}"; + + Student student = JsonIterator.deserialize(input, Student.class); + + assertThat(student.getId()).isEqualTo(1); + assertThat(student.getName().getFirstName()).isEqualTo("Joe"); + assertThat(student.getName().getSurname()).isEqualTo("Blogg"); + } + + @Test + public void givenTypeInJsonFuzzy_whenFieldIsMaybeDecoded_thenFieldParsedCorrectly() { + String input = "{\"id\":\"1\",\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}"; + + Student student = JsonIterator.deserialize(input, Student.class); + + assertThat(student.getId()).isEqualTo(1); + } + + @Test + public void whenParsedUsingAnyAPI_thenFieldValueCanBeExtractedUsingTheFieldName() { + String input = "{\"id\":1,\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}"; + + Any any = JsonIterator.deserialize(input); + + assertThat(any.toInt("id")).isEqualTo(1); + assertThat(any.toString("name", "firstName")).isEqualTo("Joe"); + assertThat(any.toString("name", "surname")).isEqualTo("Blogg"); + } + + @Test + public void whenParsedUsingAnyAPI_thenFieldValueTypeIsCorrect() { + String input = "{\"id\":1,\"name\":{\"firstName\":\"Joe\",\"surname\":\"Blogg\"}}"; + + Any any = JsonIterator.deserialize(input); + + assertThat(any.get("id").valueType()).isEqualTo(ValueType.NUMBER); + assertThat(any.get("name").valueType()).isEqualTo(ValueType.OBJECT); + assertThat(any.get("error").valueType()).isEqualTo(ValueType.INVALID); + } + + @Test + public void whenParsedUsingIteratorAPI_thenFieldValuesExtractedCorrectly() throws Exception { + Name name = new Name(); + String input = "{ \"firstName\" : \"Joe\", \"surname\" : \"Blogg\" }"; + JsonIterator iterator = JsonIterator.parse(input); + + for (String field = iterator.readObject(); field != null; field = iterator.readObject()) { + switch (field) { + case "firstName": + if (iterator.whatIsNext() == ValueType.STRING) { + name.setFirstName(iterator.readString()); + } + continue; + case "surname": + if (iterator.whatIsNext() == ValueType.STRING) { + name.setSurname(iterator.readString()); + } + continue; + default: + iterator.skip(); + } + } + + assertThat(name.getFirstName()).isEqualTo("Joe"); + assertThat(name.getSurname()).isEqualTo("Blogg"); + } + +} diff --git a/json-2/src/test/resources/Student.json b/json-2/src/test/resources/Student.json new file mode 100644 index 0000000000..7ff3351e8e --- /dev/null +++ b/json-2/src/test/resources/Student.json @@ -0,0 +1 @@ +{"id":1,"name":{"firstName": "Joe", "surname":"Blogg"}} diff --git a/pom.xml b/pom.xml index aeaef5f676..e641aebe7d 100644 --- a/pom.xml +++ b/pom.xml @@ -485,6 +485,7 @@ jooby jsf json + json-2 json-path jsoup jta From 6bca22524aa2d1f489f52f5bec6693b3bf4e03f5 Mon Sep 17 00:00:00 2001 From: Tapan Avasthi Date: Thu, 23 Jan 2020 22:00:12 +0530 Subject: [PATCH 3/3] BAEL-3613: Reading All Available Redis Keys (#8490) --- persistence-modules/redis/pom.xml | 2 +- .../redis_scan/client/RedisClient.java | 149 ++++++++++++++++++ .../redis_scan/iterator/RedisIterator.java | 60 +++++++ .../redis_scan/strategy/ScanStrategy.java | 9 ++ .../redis_scan/strategy/impl/Hscan.java | 25 +++ .../redis_scan/strategy/impl/Scan.java | 14 ++ .../redis_scan/strategy/impl/Sscan.java | 29 ++++ .../redis_scan/strategy/impl/Zscan.java | 25 +++ .../NaiveApproachIntegrationTest.java | 96 +++++++++++ .../ScanStrategyIntegrationTest.java | 129 +++++++++++++++ 10 files changed, 537 insertions(+), 1 deletion(-) create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/client/RedisClient.java create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/iterator/RedisIterator.java create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/ScanStrategy.java create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Hscan.java create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Scan.java create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Sscan.java create mode 100644 persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Zscan.java create mode 100644 persistence-modules/redis/src/test/java/com/baeldung/redis_scan/NaiveApproachIntegrationTest.java create mode 100644 persistence-modules/redis/src/test/java/com/baeldung/redis_scan/ScanStrategyIntegrationTest.java diff --git a/persistence-modules/redis/pom.xml b/persistence-modules/redis/pom.xml index c4a928bb4a..98b8ef30f3 100644 --- a/persistence-modules/redis/pom.xml +++ b/persistence-modules/redis/pom.xml @@ -38,7 +38,7 @@ - 2.9.0 + 3.2.0 0.6 3.3.0 5.0.1.RELEASE diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/client/RedisClient.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/client/RedisClient.java new file mode 100644 index 0000000000..2fe7a787e0 --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/client/RedisClient.java @@ -0,0 +1,149 @@ +package com.baeldung.redis_scan.client; + +import com.baeldung.redis_scan.iterator.RedisIterator; +import com.baeldung.redis_scan.strategy.ScanStrategy; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import redis.clients.jedis.Jedis; +import redis.clients.jedis.JedisPool; + +import java.net.URI; +import java.net.URISyntaxException; +import java.util.*; + +public class RedisClient { + private static Logger log = LoggerFactory.getLogger(RedisClient.class); + + private static volatile RedisClient instance = null; + + private static JedisPool jedisPool; + + public static RedisClient getInstance(String ip, final int port) { + if (instance == null) { + synchronized (RedisClient.class) { + if (instance == null) { + instance = new RedisClient(ip, port); + } + } + } + return instance; + } + + private RedisClient(String ip, int port) { + try { + if (jedisPool == null) { + jedisPool = new JedisPool(new URI("http://" + ip + ":" + port)); + } + } catch (URISyntaxException e) { + log.error("Malformed server address", e); + } + } + + public Long lpush(final String key, final String[] strings) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.lpush(key, strings); + } catch (Exception ex) { + log.error("Exception caught in lpush", ex); + } + return null; + } + + public List lrange(final String key, final long start, final long stop) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.lrange(key, start, stop); + } catch (Exception ex) { + log.error("Exception caught in lrange", ex); + } + return new LinkedList(); + } + + public String hmset(final String key, final Map hash) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.hmset(key, hash); + } catch (Exception ex) { + log.error("Exception caught in hmset", ex); + } + return null; + } + + public Map hgetAll(final String key) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.hgetAll(key); + } catch (Exception ex) { + log.error("Exception caught in hgetAll", ex); + } + return new HashMap(); + } + + public Long sadd(final String key, final String... members) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.sadd(key, members); + } catch (Exception ex) { + log.error("Exception caught in sadd", ex); + } + return null; + } + + public Set smembers(final String key) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.smembers(key); + } catch (Exception ex) { + log.error("Exception caught in smembers", ex); + } + return new HashSet(); + } + + public Long zadd(final String key, final Map scoreMembers) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.zadd(key, scoreMembers); + } catch (Exception ex) { + log.error("Exception caught in zadd", ex); + } + return 0L; + } + + public Set zrange(final String key, final long start, final long stop) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.zrange(key, start, stop); + } catch (Exception ex) { + log.error("Exception caught in zrange", ex); + } + return new HashSet(); + } + + public String mset(final HashMap keysValues) { + try (Jedis jedis = jedisPool.getResource()) { + ArrayList keysValuesArrayList = new ArrayList(); + keysValues.forEach((key, value) -> { + keysValuesArrayList.add(key); + keysValuesArrayList.add(value); + }); + return jedis.mset((keysValuesArrayList.toArray(new String[keysValues.size()]))); + } catch (Exception ex) { + log.error("Exception caught in mset", ex); + } + return null; + } + + public Set keys(final String pattern) { + try (Jedis jedis = jedisPool.getResource()) { + return jedis.keys(pattern); + } catch (Exception ex) { + log.error("Exception caught in keys", ex); + } + return new HashSet(); + } + + public RedisIterator iterator(int initialScanCount, String pattern, ScanStrategy strategy) { + return new RedisIterator(jedisPool, initialScanCount, pattern, strategy); + } + + public void flushAll() { + try (Jedis jedis = jedisPool.getResource()) { + jedis.flushAll(); + } catch (Exception ex) { + log.error("Exception caught in flushAll", ex); + } + } + +} diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/iterator/RedisIterator.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/iterator/RedisIterator.java new file mode 100644 index 0000000000..5fbd798ac2 --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/iterator/RedisIterator.java @@ -0,0 +1,60 @@ +package com.baeldung.redis_scan.iterator; + +import com.baeldung.redis_scan.strategy.ScanStrategy; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import redis.clients.jedis.Jedis; +import redis.clients.jedis.JedisPool; +import redis.clients.jedis.ScanParams; +import redis.clients.jedis.ScanResult; + +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; + +public class RedisIterator implements Iterator> { + + private static Logger log = LoggerFactory.getLogger(RedisIterator.class); + private static final int DEFAULT_SCAN_COUNT = 10; + + private final JedisPool jedisPool; + private ScanParams scanParams; + private String cursor; + private ScanStrategy strategy; + + public RedisIterator(JedisPool jedisPool, int initialScanCount, String pattern, ScanStrategy strategy) { + super(); + this.jedisPool = jedisPool; + this.scanParams = new ScanParams().match(pattern).count(initialScanCount); + this.strategy = strategy; + } + + public RedisIterator(JedisPool jedisPool, String pattern, ScanStrategy strategy) { + super(); + this.jedisPool = jedisPool; + this.scanParams = new ScanParams().match(pattern).count(DEFAULT_SCAN_COUNT); + this.strategy = strategy; + } + + @Override + public boolean hasNext() { + return !"0".equals(cursor); + } + + @Override + public List next() { + if (cursor == null) { + cursor = "0"; + } + try (Jedis jedis = jedisPool.getResource()) { + ScanResult scanResult = strategy.scan(jedis, cursor, scanParams); + cursor = scanResult.getCursor(); + return scanResult.getResult(); + + } catch (Exception ex) { + log.error("Exception caught in next()", ex); + } + return new LinkedList(); + } + +} diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/ScanStrategy.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/ScanStrategy.java new file mode 100644 index 0000000000..39d9e44a63 --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/ScanStrategy.java @@ -0,0 +1,9 @@ +package com.baeldung.redis_scan.strategy; + +import redis.clients.jedis.Jedis; +import redis.clients.jedis.ScanParams; +import redis.clients.jedis.ScanResult; + +public interface ScanStrategy { + ScanResult scan(Jedis jedis, String cursor, ScanParams scanParams); +} diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Hscan.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Hscan.java new file mode 100644 index 0000000000..fd5ecd14ec --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Hscan.java @@ -0,0 +1,25 @@ +package com.baeldung.redis_scan.strategy.impl; + +import com.baeldung.redis_scan.strategy.ScanStrategy; +import redis.clients.jedis.Jedis; +import redis.clients.jedis.ScanParams; +import redis.clients.jedis.ScanResult; + +import java.util.Map; +import java.util.Map.Entry; + +public class Hscan implements ScanStrategy> { + + private String key; + + public Hscan(String key) { + super(); + this.key = key; + } + + @Override + public ScanResult> scan(Jedis jedis, String cursor, ScanParams scanParams) { + return jedis.hscan(key, cursor, scanParams); + } + +} diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Scan.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Scan.java new file mode 100644 index 0000000000..f28b56e34c --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Scan.java @@ -0,0 +1,14 @@ +package com.baeldung.redis_scan.strategy.impl; + +import com.baeldung.redis_scan.strategy.ScanStrategy; +import redis.clients.jedis.Jedis; +import redis.clients.jedis.ScanParams; +import redis.clients.jedis.ScanResult; + +public class Scan implements ScanStrategy { + + + public ScanResult scan(Jedis jedis, String cursor, ScanParams scanParams) { + return jedis.scan(cursor, scanParams); + } +} diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Sscan.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Sscan.java new file mode 100644 index 0000000000..ed47f7087e --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Sscan.java @@ -0,0 +1,29 @@ +package com.baeldung.redis_scan.strategy.impl; + +import com.baeldung.redis_scan.strategy.ScanStrategy; +import redis.clients.jedis.Jedis; +import redis.clients.jedis.ScanParams; +import redis.clients.jedis.ScanResult; + +public class Sscan implements ScanStrategy { + + private String key; + + + public Sscan(String key) { + super(); + this.key = key; + } + + public String getKey() { + return key; + } + + public void setKey(String key) { + this.key = key; + } + + public ScanResult scan(Jedis jedis, String cursor, ScanParams scanParams) { + return jedis.sscan(key, cursor, scanParams); + } +} diff --git a/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Zscan.java b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Zscan.java new file mode 100644 index 0000000000..bdffc15883 --- /dev/null +++ b/persistence-modules/redis/src/main/java/com/baeldung/redis_scan/strategy/impl/Zscan.java @@ -0,0 +1,25 @@ +package com.baeldung.redis_scan.strategy.impl; + +import com.baeldung.redis_scan.strategy.ScanStrategy; +import redis.clients.jedis.Jedis; +import redis.clients.jedis.ScanParams; +import redis.clients.jedis.ScanResult; +import redis.clients.jedis.Tuple; + +public class Zscan implements ScanStrategy { + + private String key; + + + public Zscan(String key) { + super(); + this.key = key; + } + + + @Override + public ScanResult scan(Jedis jedis, String cursor, ScanParams scanParams) { + return jedis.zscan(key, cursor, scanParams); + } + +} diff --git a/persistence-modules/redis/src/test/java/com/baeldung/redis_scan/NaiveApproachIntegrationTest.java b/persistence-modules/redis/src/test/java/com/baeldung/redis_scan/NaiveApproachIntegrationTest.java new file mode 100644 index 0000000000..c24b88e20c --- /dev/null +++ b/persistence-modules/redis/src/test/java/com/baeldung/redis_scan/NaiveApproachIntegrationTest.java @@ -0,0 +1,96 @@ +package com.baeldung.redis_scan; + +import com.baeldung.redis_scan.client.RedisClient; +import org.junit.*; +import redis.embedded.RedisServer; + +import java.io.IOException; +import java.net.ServerSocket; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; + +public class NaiveApproachIntegrationTest { + private static RedisServer redisServer; + private static int port; + private static RedisClient redisClient; + + @BeforeClass + public static void setUp() throws IOException { + + // Take an available port + ServerSocket s = new ServerSocket(0); + port = s.getLocalPort(); + s.close(); + + redisServer = new RedisServer(port); + redisServer.start(); + } + + @AfterClass + public static void destroy() { + if (redisServer.isActive()) + redisServer.stop(); + } + + @Before + public void init() { + if (!redisServer.isActive()) { + redisServer.start(); + } + redisClient = RedisClient.getInstance("127.0.0.1", port); + } + + @After + public void flushAll() { + redisClient.flushAll(); + } + + @Test + public void testKeys() { + HashMap keyValues = new HashMap(); + keyValues.put("balls:cricket", "160"); + keyValues.put("balls:football", "450"); + keyValues.put("balls:volleyball", "270"); + redisClient.mset(keyValues); + Set readKeys = redisClient.keys("ball*"); + Assert.assertEquals(keyValues.size(), readKeys.size()); + + } + + @Test + public void testSmembers() { + HashSet setMembers = new HashSet(); + setMembers.add("cricket_160"); + setMembers.add("football_450"); + setMembers.add("volleyball_270"); + redisClient.sadd("balls", setMembers.toArray(new String[setMembers.size()])); + Set readSetMembers = redisClient.smembers("balls"); + Assert.assertEquals(setMembers.size(), readSetMembers.size()); + } + + @Test + public void testHgetAll() { + HashMap keyValues = new HashMap(); + keyValues.put("balls:cricket", "160"); + keyValues.put("balls:football", "450"); + keyValues.put("balls:volleyball", "270"); + redisClient.hmset("balls", keyValues); + Map readHash = redisClient.hgetAll("balls"); + Assert.assertEquals(keyValues.size(), readHash.size()); + } + + @Test + public void testZRange() { + HashMap scoreMembers = new HashMap(); + scoreMembers.put("cricket", (double) 160); + scoreMembers.put("football", (double) 450); + scoreMembers.put("volleyball", (double) 270); + redisClient.zadd("balls", scoreMembers); + Set readSetMembers = redisClient.zrange("balls", 0, -1); + + Assert.assertEquals(readSetMembers.size(), scoreMembers.size()); + } + +} diff --git a/persistence-modules/redis/src/test/java/com/baeldung/redis_scan/ScanStrategyIntegrationTest.java b/persistence-modules/redis/src/test/java/com/baeldung/redis_scan/ScanStrategyIntegrationTest.java new file mode 100644 index 0000000000..828b7a3183 --- /dev/null +++ b/persistence-modules/redis/src/test/java/com/baeldung/redis_scan/ScanStrategyIntegrationTest.java @@ -0,0 +1,129 @@ +package com.baeldung.redis_scan; + +import com.baeldung.redis_scan.client.RedisClient; +import com.baeldung.redis_scan.iterator.RedisIterator; +import com.baeldung.redis_scan.strategy.ScanStrategy; +import com.baeldung.redis_scan.strategy.impl.Hscan; +import com.baeldung.redis_scan.strategy.impl.Scan; +import com.baeldung.redis_scan.strategy.impl.Sscan; +import com.baeldung.redis_scan.strategy.impl.Zscan; +import org.junit.*; +import redis.clients.jedis.Tuple; +import redis.embedded.RedisServer; + +import java.io.IOException; +import java.net.ServerSocket; +import java.util.*; + + +public class ScanStrategyIntegrationTest { + + private static RedisServer redisServer; + private static int port; + private static RedisClient redisClient; + + @BeforeClass + public static void setUp() throws IOException { + + // Take an available port + ServerSocket s = new ServerSocket(0); + String ip = "127.0.0.1"; + port = s.getLocalPort(); + s.close(); + + redisServer = new RedisServer(port); + redisServer.start(); + } + + @AfterClass + public static void destroy() { + if (redisServer.isActive()) + redisServer.stop(); + } + + @Before + public void init() { + if (!redisServer.isActive()) { + redisServer.start(); + } + redisClient = RedisClient.getInstance("127.0.0.1", port); + } + + @After + public void flushAll() { + redisClient.flushAll(); + } + + @Test + public void testScanStrategy() { + HashMap keyValues = new HashMap(); + keyValues.put("balls:cricket", "160"); + keyValues.put("balls:football", "450"); + keyValues.put("balls:volleyball", "270"); + redisClient.mset(keyValues); + + ScanStrategy scanStrategy = new Scan(); + int iterationCount = 2; + RedisIterator iterator = redisClient.iterator(iterationCount, "ball*", scanStrategy); + List results = new LinkedList(); + while (iterator.hasNext()) { + results.addAll(iterator.next()); + } + Assert.assertEquals(keyValues.size(), results.size()); + } + + @Test + public void testSscanStrategy() { + HashSet setMembers = new HashSet(); + setMembers.add("cricket_160"); + setMembers.add("football_450"); + setMembers.add("volleyball_270"); + redisClient.sadd("balls", setMembers.toArray(new String[setMembers.size()])); + + Sscan scanStrategy = new Sscan("balls"); + int iterationCount = 2; + RedisIterator iterator = redisClient.iterator(iterationCount, "*", scanStrategy); + List results = new LinkedList(); + while (iterator.hasNext()) { + results.addAll(iterator.next()); + } + Assert.assertEquals(setMembers.size(), results.size()); + } + + @Test + public void testHscanStrategy() { + HashMap hash = new HashMap(); + hash.put("cricket", "160"); + hash.put("football", "450"); + hash.put("volleyball", "270"); + redisClient.hmset("balls", hash); + + Hscan scanStrategy = new Hscan("balls"); + int iterationCount = 2; + RedisIterator iterator = redisClient.iterator(iterationCount, "*", scanStrategy); + List> results = new LinkedList>(); + while (iterator.hasNext()) { + results.addAll(iterator.next()); + } + Assert.assertEquals(hash.size(), results.size()); + } + + @Test + public void testZscanStrategy() { + HashMap memberScores = new HashMap(); + memberScores.put("cricket", (double) 160); + memberScores.put("football", (double) 450); + memberScores.put("volleyball", (double) 270); + redisClient.zadd("balls", memberScores); + + Zscan scanStrategy = new Zscan("balls"); + int iterationCount = 2; + RedisIterator iterator = redisClient.iterator(iterationCount, "*", scanStrategy); + List results = new LinkedList(); + while (iterator.hasNext()) { + results.addAll(iterator.next()); + } + Assert.assertEquals(memberScores.size(), results.size()); + } + +}