KettlejavaAPI资源-CSDN下载

共2200个文件

html：2196个

package-list：1个

mf：1个

Kettle

java

5星 · 超过95%的资源需积分: 50 155 浏览量 2009-11-18 13:43:53 上传评论 1 收藏 5.38MB RAR 举报

Kettle，也称为Pentaho Data Integration（PDI），是一个强大的ETL（提取、转换、加载）工具，用于数据整合和大数据处理。它提供了一套全面的Java API，允许开发人员在Java应用程序中直接集成和操作Kettle的功能。这篇详细的知识点解释将深入探讨Kettle Java API的核心概念、使用场景和主要功能。 1. **Kettle Engine API**： Kettle引擎是整个平台的核心，负责执行转换（Transformations）和作业（Jobs）。通过Java API，开发者可以创建、运行和控制这些实体。例如，`Trans`和`Job`类分别代表转换和作业对象，提供了启动、暂停、停止和监控执行状态的方法。 2. **Step API**：转换中的每个处理单元被称为步骤（Steps），如“文本文件输入”、“表输出”等。Kettle Java API提供了`StepInterface`接口和`StepMeta`类，前者定义了步骤运行时的行为，后者存储步骤的元数据，如名称、配置等。 3. **Repository API**： Kettle支持多种类型的仓库（如JDBC、S3等），用于存储转换和作业。`Repository`接口提供了连接、读取、写入和管理仓库中对象的方法。通过`RepositoryMeta`，开发者可以获取仓库的元数据信息。 4. **Logging and Monitoring**： Kettle提供了丰富的日志记录和监控功能。`Log4j`被用作默认的日志系统，而`Carte`服务器则可以用于远程监控和管理Kettle作业和转换。Java API提供了相应的类和接口，如`LogWriter`和` carteClient`，用于实现这些功能。 5. **Data Integration with JDBC**： Kettle通过JDBC与各种数据库进行交互。`DatabaseMeta`类代表数据库连接信息，而`RowMetaInterface`和`ValueMetaInterface`则用于描述和操作数据字段。 6. **XML和JSON Support**： Kettle能够读写XML和JSON格式的数据，方便与外部系统交换数据。`XMLHandler`和`JsonHandler`类提供了读写这些格式的API。 7. **Plugin Development**： Kettle的可扩展性体现在其插件体系上。开发者可以通过实现特定接口来创建新的步骤或连接器。例如，`BaseStep`是所有自定义步骤的基础类，`DatabaseInterface`接口则用于实现对新数据库的支持。 8. **Transformation和Job Execution**： `TransExecutor`和`JobExecutor`类用于异步执行转换和作业，提供回调机制以便在执行过程中进行干预。 9. **Parallel and Distributed Execution**： Kettle支持并行和分布式处理，Java API提供了相应接口和类来配置和控制这种执行模式，如`ClusterSchema`、`SlaveServer`和`ReplicateStepMeta`。 10. **Error Handling and Retry Logic**： Kettle API提供了错误处理机制，如错误流和错误表格，允许开发者编写容错代码。`ErrorHandling`类和相关接口可以帮助实现重试逻辑。通过以上介绍，我们可以看到Kettle Java API的强大和灵活性。开发者可以利用这个API在Java应用中无缝集成ETL流程，实现复杂的数据处理任务，无论是简单的数据导入导出，还是大规模的数据清洗和转换，Kettle都能提供高效、易用的解决方案。同时，Kettle的插件系统也极大地扩展了其功能边界，使得它成为数据集成领域的有力工具。

资源详情

资源评论

资源推荐

收起资源包目录

Kettle java API （2200个子文件）

stylesheet.css 1KB

inherit.gif 57B

index-7.html 1.62MB

index-19.html 961KB

KettleException.html 722KB

RowMetaInterface.html 695KB

StepMeta.html 679KB

Repository.html 635KB

StepDataInterface.html 608KB

DatabaseMeta.html 536KB

constant-values.html 521KB

Repository.html 514KB

TransMeta.html 495KB

VariableSpace.html 438KB

TransMeta.html 385KB

StepMetaInterface.html 337KB

CheckResultInterface.html 324KB

KettleXMLException.html 313KB

Trans.html 297KB

Counter.html 290KB

index-3.html 276KB

index-9.html 275KB

Database.html 271KB

StepInterface.html 267KB

Value.html 250KB

overview-tree.html 250KB

JobMeta.html 240KB

DatabaseMeta.html 240KB

package-use.html 228KB

KettleStepException.html 218KB

ValueMetaInterface.html 215KB

package-use.html 212KB

package-use.html 192KB

index-6.html 187KB

index-20.html 180KB

SlaveServer.html 173KB

KettleValueException.html 172KB

ValueMeta.html 171KB

BaseStep.html 171KB

index-18.html 165KB

Const.html 162KB

Result.html 161KB

index-16.html 141KB

BaseStep.html 137KB

TextFileInputMeta.html 136KB

index-12.html 136KB

package-use.html 134KB

BaseDatabaseMeta.html 134KB

index-13.html 126KB

package-use.html 126KB

index-1.html 125KB

ValueMetaInterface.html 124KB

package-use.html 124KB

DatabaseInterface.html 124KB

index-4.html 123KB

BaseStepMeta.html 123KB

BaseStepData.html 122KB

allclasses-frame.html 118KB

Trans.html 117KB

Value.html 114KB

ScriptValuesAddedFunctions.html 114KB

KettleDatabaseException.html 113KB

ExcelInputMeta.html 111KB

Props.html 108KB

JobMeta.html 106KB

DimensionLookupMeta.html 104KB

allclasses-noframe.html 103KB

OraBulkLoaderMeta.html 103KB

RowMeta.html 100KB

PostgreSQLDatabaseMeta.html 100KB

ScriptValuesModDummy.html 100KB

NetezzaDatabaseMeta.html 100KB

OracleDatabaseMeta.html 97KB

index-5.html 95KB

JobEntryBase.html 94KB

Job.html 93KB

JobEntryBase.html 93KB

MySQLDatabaseMeta.html 92KB

XMLHandler.html 92KB

StepMeta.html 92KB

OracleRDBDatabaseMeta.html 91KB

MSAccessDatabaseMeta.html 91KB

CheckResultSourceInterface.html 90KB

package-use.html 89KB

TextFileOutputMeta.html 88KB

SlaveServer.html 87KB

WebServiceMeta.html 87KB

SystemDataMeta.html 87KB

ValueDataUtil.html 86KB

Job.html 86KB

DB2DatabaseMeta.html 85KB

CombinationLookupMeta.html 85KB

JobEntryMail.html 84KB

MSSQLServerDatabaseMeta.html 84KB

TableOutputMeta.html 83KB

TeradataDatabaseMeta.html 83KB

DatabaseLookupMeta.html 83KB

InsertUpdateMeta.html 81KB

DbaseDatabaseMeta.html 81KB

共 2200 条

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <HTML> <HEAD>  <TITLE> G-Index </TITLE> <LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"> <SCRIPT type="text/javascript"> function windowTitle() { parent.document.title="G-Index"; } </SCRIPT> <NOSCRIPT> </NOSCRIPT> </HEAD> <BODY BGCOLOR="white" onload="windowTitle();">  <A NAME="navbar_top"></A> <A HREF="#skip-navbar_top" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_top_firstrow"></A> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../overview-summary.html">Overview</A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> Package </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> Class </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> Use </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../overview-tree.html">Tree</A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../deprecated-list.html">Deprecated</A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev">  Index </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../help-doc.html">Help</A> </TD> </TR> </TABLE> </TD> <TD ALIGN="right" VALIGN="top" ROWSPAN=3> </TD> </TR> <TR> <TD BGCOLOR="white" CLASS="NavBarCell2">  <A HREF="index-6.html">PREV LETTER</A>   <A HREF="index-8.html">NEXT LETTER</A></TD> <TD BGCOLOR="white" CLASS="NavBarCell2"> <A HREF="../index.html?index-filesindex-7.html" target="_top">FRAMES</A>    <A HREF="index-7.html" target="_top">NO FRAMES</A>    <SCRIPT type="text/javascript">  </SCRIPT> <NOSCRIPT> <A HREF="../allclasses-noframe.html">All Classes</A> </NOSCRIPT> </TD> </TR> </TABLE> <A NAME="skip-navbar_top"></A>  <A HREF="index-1.html">A</A> <A HREF="index-2.html">B</A> <A HREF="index-3.html">C</A> <A HREF="index-4.html">D</A> <A HREF="index-5.html">E</A> <A HREF="index-6.html">F</A> <A HREF="index-7.html">G</A> <A HREF="index-8.html">H</A> <A HREF="index-9.html">I</A> <A HREF="index-10.html">J</A> <A HREF="index-11.html">K</A> <A HREF="index-12.html">L</A> <A HREF="index-13.html">M</A> <A HREF="index-14.html">N</A> <A HREF="index-15.html">O</A> <A HREF="index-16.html">P</A> <A HREF="index-17.html">Q</A> <A HREF="index-18.html">R</A> <A HREF="index-19.html">S</A> <A HREF="index-20.html">T</A> <A HREF="index-21.html">U</A> <A HREF="index-22.html">V</A> <A HREF="index-23.html">W</A> <A HREF="index-24.html">X</A> <A HREF="index-25.html">Y</A> <A HREF="index-26.html">Z</A> <HR> <A NAME="_G_"></A><H2> G</H2> <DL> <DT><A HREF="../org/pentaho/di/core/Const.html#GENERALIZED_DATE_TIME_FORMAT">GENERALIZED_DATE_TIME_FORMAT</A> - Static variable in class org.pentaho.di.core.<A HREF="../org/pentaho/di/core/Const.html" title="class in org.pentaho.di.core">Const</A> <DD>Generalized date/time format: Wherever dates are used, date and time values are organized from the most to the least significant. <DT><A HREF="../org/pentaho/di/core/Const.html#GENERALIZED_DATE_TIME_FORMAT_MILLIS">GENERALIZED_DATE_TIME_FORMAT_MILLIS</A> - Static variable in class org.pentaho.di.core.<A HREF="../org/pentaho/di/core/Const.html" title="class in org.pentaho.di.core">Const</A> <DD>  <DT><A HREF="../org/pentaho/di/pkg/KettleDependencies.html#generalLibs">generalLibs</A> - Static variable in class org.pentaho.di.pkg.<A HREF="../org/pentaho/di/pkg/KettleDependencies.html" title="class in org.pentaho.di.pkg">KettleDependencies</A> <DD>  <DT><A HREF="../org/pentaho/di/core/hash/ByteArrayHashIndex.html#generateHashCode(byte[], org.pentaho.di.core.row.RowMetaInterface)">generateHashCode(byte[], RowMetaInterface)</A> - Static method in class org.pentaho.di.core.hash.<A HREF="../org/pentaho/di/core/hash/ByteArrayHashIndex.html" title="class in org.pentaho.di.core.hash">ByteArrayHashIndex</A> <DD>  <DT><A HREF="../org/pentaho/di/core/hash/LongHashIndex.html#generateHashCode(java.lang.Long)">generateHashCode(Long)</A> - Static method in class org.pentaho.di.core.hash.<A HREF="../org/pentaho/di/core/hash/LongHashIndex.html" title="class in org.pentaho.di.core.hash">LongHashIndex</A> <DD>  <DT><A HREF="../org/pentaho/di/pkg/JarfileGenerator.html#generateJarFile(org.pentaho.di.trans.TransMeta)">generateJarFile(TransMeta)</A> - Static method in class org.pentaho.di.pkg.<A HREF="../org/pentaho/di/pkg/JarfileGenerator.html" title="class in org.pentaho.di.pkg">JarfileGenerator</A> <DD>  <DT><A HREF="../org/pentaho/di/job/JobMeta.html#generateJobEntryNameNr(java.lang.String)">generateJobEntryNameNr(String)</A> - Method in class org.pentaho.di.job.<A HREF="../org/pentaho/di/job/JobMeta.html" title="class in org.pentaho.di.job">JobMeta</A> <DD>  <DT><A HREF="../org/pentaho/di/trans/TransPreviewFactory.html#generatePreviewTransformation(org.pentaho.di.core.variables.VariableSpace, org.pentaho.di.trans.step.StepMetaInterface, java.lang.String)">generatePreviewTransformation(VariableSpace, StepMetaInterface, String)</A> - Static method in class org.pentaho.di.trans.<A HREF="../org/pentaho/di/trans/TransPreviewFactory.html" title="class in org.pentaho.di.trans">TransPreviewFactory</A> <DD>  <DT><A HREF="../org/pentaho/di/core/util/StringUtil.html#generateRandomString(int, java.lang.String, java.lang.String, boolean)">generateRandomString(int, String, String, boolean)</A> - Static method in class org.pentaho.di.core.util.<A HREF="../org/pentaho/di/core/util/StringUtil.html" title="class in org.pentaho.di.core.util">StringUtil</A> <DD>  <DT><A HREF="../org/pentaho/di/www/Carte.html#generateTestTransformation()">generateTestTransformation()</A> - Static method in class org.pentaho.di.www.<A HREF="../org/pentaho/di/www/Carte.html" title="class in org.pentaho.di.www">Carte</A> <DD>  <DT><A HREF="../org/pentaho/di/core/database/GenericDatabaseMeta.html" title="class in org.pentaho.di.core.database">GenericDatabaseMeta</A> - Class in <A HREF="../org/pentaho/di/core/database/package-summary.html">org.pentaho.di.core.database</A><DD>Contains Generic Database Connection information through static final members<DT><A HREF="../org/pentaho/di/core/database/GenericDatabaseMeta.html#GenericDatabaseMeta(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String)">GenericDatabaseMeta(String, String, String, String, String, String, String)</A> - Constructor for class org.pentaho.di.core.database.<A HREF="../org/pentaho/di/core/database/GenericDatabaseMeta.html" title="class in org.pentaho.di.core.database">GenericDatabaseMeta</A> <DD>Construct a new database connection. <DT><A HREF="../org/pentaho/di/core/database/GenericDatabaseMeta.html#GenericDatabaseMeta()">GenericDatabaseMeta()</A> - Constructor for class org.pentaho.di.core.database.<A HREF="../org/pentaho/di/core/database/GenericDatabaseMeta.html" tit