BAEL-201: Using Couchbase SDK in a Spring Application

This commit is contained in:
Kevin Gilmore 2016-07-13 19:53:08 -05:00
parent be5bfeccd0
commit fca98463d4
23 changed files with 1060 additions and 0 deletions

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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.3/apache-maven-3.3.3-bin.zip

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<?xml version="1.0" encoding="UTF-8"?>
<beansProjectDescription>
<version>1</version>
<pluginVersion><![CDATA[3.7.3.201602250914-RELEASE]]></pluginVersion>
<configSuffixes>
<configSuffix><![CDATA[xml]]></configSuffix>
</configSuffixes>
<enableImports><![CDATA[false]]></enableImports>
<configs>
</configs>
<autoconfigs>
</autoconfigs>
<configSets>
</configSets>
</beansProjectDescription>

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couchbase-sdk-spring-service/mvnw vendored Executable file
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#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven2 Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "`uname`" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
#
# Look for the Apple JDKs first to preserve the existing behaviour, and then look
# for the new JDKs provided by Oracle.
#
if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK ] ; then
#
# Apple JDKs
#
export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
fi
if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Java/JavaVirtualMachines/CurrentJDK ] ; then
#
# Apple JDKs
#
export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
fi
if [ -z "$JAVA_HOME" ] && [ -L "/Library/Java/JavaVirtualMachines/CurrentJDK" ] ; then
#
# Oracle JDKs
#
export JAVA_HOME=/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
fi
if [ -z "$JAVA_HOME" ] && [ -x "/usr/libexec/java_home" ]; then
#
# Apple JDKs
#
export JAVA_HOME=`/usr/libexec/java_home`
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=`java-config --jre-home`
fi
fi
if [ -z "$M2_HOME" ] ; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
saveddir=`pwd`
M2_HOME=`dirname "$PRG"`/..
# make it fully qualified
M2_HOME=`cd "$M2_HOME" && pwd`
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --unix "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi
# For Migwn, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$M2_HOME" ] &&
M2_HOME="`(cd "$M2_HOME"; pwd)`"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
# TODO classpath?
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="`which javac`"
if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=`which readlink`
if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
if $darwin ; then
javaHome="`dirname \"$javaExecutable\"`"
javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
else
javaExecutable="`readlink -f \"$javaExecutable\"`"
fi
javaHome="`dirname \"$javaExecutable\"`"
javaHome=`expr "$javaHome" : '\(.*\)/bin'`
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="`which java`"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --path --windows "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
fi
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
local basedir=$(pwd)
local wdir=$(pwd)
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
wdir=$(cd "$wdir/.."; pwd)
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' < "$1")"
fi
}
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-$(find_maven_basedir)}
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} "$@"

145
couchbase-sdk-spring-service/mvnw.cmd vendored Normal file
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@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven2 Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
set MAVEN_CMD_LINE_ARGS=%*
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="".\.mvn\wrapper\maven-wrapper.jar""
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%" == "on" pause
if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
exit /B %ERROR_CODE%

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>couchbase-sdk-spring-service</artifactId>
<version>0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>couchbase-sdk-spring-service</name>
<description>Intro to the Couchbase SDK</description>
<dependencies>
<!-- Couchbase SDK -->
<dependency>
<groupId>com.couchbase.client</groupId>
<artifactId>java-client</artifactId>
<version>${couchbase.client.version}</version>
</dependency>
<!-- Spring Context for Dependency Injection -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Logging with SLF4J & LogBack -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<!-- Test-Scoped Dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-framework.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<java.version>1.7</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<couchbase.client.version>2.2.6</couchbase.client.version>
<spring-framework.version>4.2.4.RELEASE</spring-framework.version>
<logback.version>1.1.3</logback.version>
<org.slf4j.version>1.7.12</org.slf4j.version>
<junit.version>4.11</junit.version>
<commons-lang3.version>3.4</commons-lang3.version>
</properties>
</project>

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package com.baeldung.couchbase.person;
import org.springframework.stereotype.Service;
import com.baeldung.couchbase.service.JsonDocumentConverter;
import com.couchbase.client.java.document.JsonDocument;
import com.couchbase.client.java.document.json.JsonObject;
@Service
public class FluentPersonDocumentConverter implements JsonDocumentConverter<Person> {
@Override
public JsonDocument toDocument(Person p) {
JsonObject content = JsonObject.empty()
.put("type", "Person")
.put("name", p.getName())
.put("homeTown", p.getHomeTown());
return JsonDocument.create(p.getId(), content);
}
@Override
public Person fromDocument(JsonDocument doc) {
JsonObject content = doc.content();
return Person.Builder.newInstance()
.id(doc.id())
.type("Person")
.name(content.getString("name"))
.homeTown(content.getString("homeTown"))
.build();
}
}

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package com.baeldung.couchbase.person;
public class Person {
private String id;
private String type;
private String name;
private String homeTown;
Person() {}
public Person(Builder b) {
this.id = b.id;
this.type = b.type;
this.name = b.name;
this.homeTown = b.homeTown;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getHomeTown() {
return homeTown;
}
public void setHomeTown(String homeTown) {
this.homeTown = homeTown;
}
public static class Builder {
private String id;
private String type;
private String name;
private String homeTown;
public static Builder newInstance() {
return new Builder();
}
public Person build() {
return new Person(this);
}
public Builder id(String id) {
this.id = id;
return this;
}
public Builder type(String type) {
this.type = type;
return this;
}
public Builder name(String name) {
this.name = name;
return this;
}
public Builder homeTown(String homeTown) {
this.homeTown = homeTown;
return this;
}
}
}

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package com.baeldung.couchbase.person;
import java.util.List;
import java.util.UUID;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.baeldung.couchbase.service.CrudService;
import com.baeldung.couchbase.service.TutorialBucketService;import com.couchbase.client.java.Bucket;
import com.couchbase.client.java.ReplicaMode;
import com.couchbase.client.java.document.JsonDocument;
@Service
public class PersonCrudService implements CrudService<Person> {
@Autowired
private TutorialBucketService bucketService;
@Autowired
private PersonDocumentConverter converter;
private Bucket bucket;
@PostConstruct
private void init() {
bucket = bucketService.getBucket();
}
@Override
public void create(Person person) {
if(person.getId() == null) {
person.setId(UUID.randomUUID().toString());
}
JsonDocument document = converter.toDocument(person);
bucket.insert(document);
}
@Override
public Person read(String id) {
JsonDocument doc = bucket.get(id);
return (doc != null ? converter.fromDocument(doc) : null);
}
@Override
public Person readFromReplica(String id) {
List<JsonDocument> docs = bucket.getFromReplica(id, ReplicaMode.FIRST);
return (docs.isEmpty() ? null : converter.fromDocument(docs.get(0)));
}
@Override
public void update(Person person) {
JsonDocument document = converter.toDocument(person);
bucket.upsert(document);
}
@Override
public void delete(String id) {
bucket.remove(id);
}
@Override
public boolean exists(String id) {
return bucket.exists(id);
}
}

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package com.baeldung.couchbase.person;
import org.springframework.stereotype.Service;
import com.baeldung.couchbase.service.JsonDocumentConverter;
import com.couchbase.client.java.document.JsonDocument;
import com.couchbase.client.java.document.json.JsonObject;
@Service
public class PersonDocumentConverter implements JsonDocumentConverter<Person> {
@Override
public JsonDocument toDocument(Person p) {
JsonObject content = JsonObject.empty()
.put("type", "Person")
.put("name", p.getName())
.put("homeTown", p.getHomeTown());
return JsonDocument.create(p.getId(), content);
}
@Override
public Person fromDocument(JsonDocument doc) {
JsonObject content = doc.content();
Person p = new Person();
p.setId(doc.id());
p.setType("Person");
p.setName(content.getString("name"));
p.setHomeTown(content.getString("homeTown"));
return p;
}
}

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package com.baeldung.couchbase.person;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.couchbase.client.core.CouchbaseException;
@Service
public class RegistrationService {
@Autowired
private PersonCrudService crud;
public void registerNewPerson(String name, String homeTown) {
Person person = new Person();
person.setName(name);
person.setHomeTown(homeTown);
crud.create(person);
}
public Person findRegistrant(String id) {
try{
return crud.read(id);
}
catch(CouchbaseException e) {
return crud.readFromReplica(id);
}
}
}

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package com.baeldung.couchbase.service;
import com.couchbase.client.java.Bucket;
public interface BucketService {
Bucket getBucket();
}

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package com.baeldung.couchbase.service;
import java.util.List;
import com.couchbase.client.java.AsyncBucket;
import com.couchbase.client.java.Bucket;
import com.couchbase.client.java.document.JsonDocument;
public interface ClusterService {
Bucket openBucket(String name, String password);
List<JsonDocument> getDocuments(Bucket bucket, Iterable<String> keys);
List<JsonDocument> getDocumentsAsync(AsyncBucket bucket, Iterable<String> keys);
}

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package com.baeldung.couchbase.service;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.annotation.PostConstruct;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import com.couchbase.client.java.AsyncBucket;
import com.couchbase.client.java.Bucket;
import com.couchbase.client.java.Cluster;
import com.couchbase.client.java.CouchbaseCluster;
import com.couchbase.client.java.document.JsonDocument;
import com.couchbase.client.java.env.CouchbaseEnvironment;
import com.couchbase.client.java.env.DefaultCouchbaseEnvironment;
import rx.Observable;
import rx.functions.Action1;
import rx.functions.Func1;
@Service
public class ClusterServiceImpl implements ClusterService {
private static final Logger logger = LoggerFactory.getLogger(ClusterServiceImpl.class);
private Cluster cluster;
private Map<String, Bucket> buckets = new ConcurrentHashMap<>();
@PostConstruct
private void init() {
CouchbaseEnvironment env = DefaultCouchbaseEnvironment.create();
cluster = CouchbaseCluster.create(env, "localhost");
}
@Override
synchronized public Bucket openBucket(String name, String password) {
if(!buckets.containsKey(name)) {
Bucket bucket = cluster.openBucket(name, password);
buckets.put(name, bucket);
}
return buckets.get(name);
}
@Override
public List<JsonDocument> getDocuments(Bucket bucket, Iterable<String> keys) {
List<JsonDocument> docs = new ArrayList<>();
for(String key : keys) {
JsonDocument doc = bucket.get(key);
if(doc != null) {
docs.add(doc);
}
}
return docs;
}
@Override
public List<JsonDocument> getDocumentsAsync(final AsyncBucket asyncBucket, Iterable<String> keys) {
Observable<JsonDocument> asyncBulkGet = Observable
.from(keys)
.flatMap(new Func1<String, Observable<JsonDocument>>() {
public Observable<JsonDocument> call(String key) {
return asyncBucket.get(key);
}
});
final List<JsonDocument> docs = new ArrayList<>();
try {
asyncBulkGet.toBlocking()
.forEach(new Action1<JsonDocument>() {
public void call(JsonDocument doc) {
docs.add(doc);
}
});
} catch (Exception e) {
logger.error("Error during bulk get", e);
}
return docs;
}
}

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package com.baeldung.couchbase.service;
public interface CrudService<T> {
void create(T t);
T read(String id);
T readFromReplica(String id);
void update(T t);
void delete(String id);
boolean exists(String id);
}

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package com.baeldung.couchbase.service;
import com.couchbase.client.java.document.JsonDocument;
public interface JsonDocumentConverter<T> {
JsonDocument toDocument(T t);
T fromDocument(JsonDocument doc);
}

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package com.baeldung.couchbase.service;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import com.couchbase.client.java.Bucket;
@Service
@Qualifier("TutorialBucketService")
public class TutorialBucketService implements BucketService {
@Autowired
private ClusterService couchbase;
private Bucket bucket;
@PostConstruct
private void init() {
bucket = couchbase.openBucket("baeldung-tutorial", "");
}
@Override
public Bucket getBucket() {
return bucket;
}
}

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<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>web - %date [%thread] %-5level %logger{36} - %message%n
</pattern>
</encoder>
</appender>
<logger name="org.springframework" level="WARN" />
<logger name="com.baeldung" level="DEBUG" />
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

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package com.baeldung.couchbase;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.TestExecutionListeners;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.DependencyInjectionTestExecutionListener;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { IntegrationTestConfig.class })
@TestExecutionListeners(listeners = { DependencyInjectionTestExecutionListener.class })
public abstract class IntegrationTest {
}

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package com.baeldung.couchbase;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@ComponentScan(basePackages={"com.baeldung.couchbase"})
public class IntegrationTestConfig {
}

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package com.baeldung.couchbase.person;
import static org.junit.Assert.*;
import javax.annotation.PostConstruct;
import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import com.baeldung.couchbase.IntegrationTest;
public class PersonCrudServiceTest extends IntegrationTest {
private static final String CLARK_KENT = "Clark Kent";
private static final String SMALLVILLE = "Smallville";
private static final String CLARK_KENT_ID = "Person:ClarkKent";
private Person clarkKent;
@Autowired
private PersonCrudService personService;
@PostConstruct
private void init() {
clarkKent = personService.read(CLARK_KENT_ID);
if(clarkKent == null) {
clarkKent = buildClarkKent();
personService.create(clarkKent);
}
}
@Test
public final void givenRandomPerson_whenCreate_thenPersonPersisted() {
Person person = randomPerson();
personService.create(person);
String id = person.getId();
assertNotNull(personService.read(id));
}
@Test
public final void givenClarkKentId_whenRead_thenReturnsClarkKent() {
Person person = personService.read(CLARK_KENT_ID);
assertNotNull(person);
}
@Test
public final void givenNewHometown_whenUpdate_thenNewHometownPersisted() {
Person expected = randomPerson();
personService.create(expected);
String updatedHomeTown = RandomStringUtils.randomAlphabetic(12);
expected.setHomeTown(updatedHomeTown);
personService.update(expected);
Person actual = personService.read(expected.getId());
assertNotNull(actual);
assertEquals(expected.getHomeTown(), actual.getHomeTown());
}
@Test
public final void givenRandomPerson_whenDelete_thenPersonNotInBucket() {
Person person = randomPerson();
personService.create(person);
String id = person.getId();
personService.delete(id);
assertNull(personService.read(id));
}
private Person buildClarkKent() {
return Person.Builder.newInstance()
.id(CLARK_KENT_ID)
.name(CLARK_KENT)
.homeTown(SMALLVILLE)
.build();
}
private Person randomPerson() {
return Person.Builder.newInstance()
.name(RandomStringUtils.randomAlphabetic(10))
.homeTown(RandomStringUtils.randomAlphabetic(10))
.build();
}
}

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package com.baeldung.couchbase.service;
import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.TestExecutionListeners;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.DependencyInjectionTestExecutionListener;
import com.baeldung.couchbase.IntegrationTest;
import com.baeldung.couchbase.IntegrationTestConfig;
import com.couchbase.client.java.Bucket;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { IntegrationTestConfig.class })
@TestExecutionListeners(listeners = { DependencyInjectionTestExecutionListener.class })
public class ClusterServiceTest extends IntegrationTest {
@Autowired
private ClusterService couchbaseService;
private Bucket defaultBucket;
@Test
public void whenOpenBucket_thenBucketIsNotNull() throws Exception {
defaultBucket = couchbaseService.openBucket("default", "");
assertNotNull(defaultBucket);
assertFalse(defaultBucket.isClosed());
defaultBucket.close();
}
}