1/11/2010
JE Collections Page iii
Table of Contents
Preface ....................................................................................................... v
Conventions Used in this Book .................................................................... v
For More Information ............................................................................... vi
1. Introduction ............................................................................................ 1
Features ............................................................................................... 1
Developing a JE Collections Application ......................................................... 2
Tutorial Introduction ................................................................................ 3
2. The Basic Program .................................................................................... 6
Defining Serialized Key and Value Classes ..................................................... 6
Opening and Closing the Database Environment ............................................ 11
Opening and Closing the Class Catalog ....................................................... 13
Opening and Closing Databases ................................................................ 15
Creating Bindings and Collections ............................................................. 16
Implementing the Main Program ............................................................... 19
Using Transactions ............................................................................... 23
Adding Database Items .......................................................................... 25
Retrieving Database Items ...................................................................... 27
Handling Exceptions ............................................................................. 30
3. Using Secondary Indices and Foreign keys ....................................................... 32
Opening Secondary Key Indices ................................................................ 32
Opening Foreign Key Indices ................................................................... 35
Creating Indexed Collections ................................................................... 39
Retrieving Items by Index Key ................................................................. 42
4. Using Entity Classes .................................................................................. 46
Defining Entity Classes .......................................................................... 46
Creating Entity Bindings ........................................................................ 50
Creating Collections with Entity Bindings .................................................... 53
Using Entities with Collections ................................................................ 54
5. Using Tuples ........................................................................................... 58
Using the Tuple Format ......................................................................... 58
Using Tuples with Key Creators ................................................................ 59
Creating Tuple Key Bindings .................................................................... 61
Creating Tuple-Serial Entity Bindings ......................................................... 63
Using Sorted Collections ........................................................................ 66
6. Using Serializable Entities .......................................................................... 68
Using Transient Fields in an Entity Class ..................................................... 68
Using Transient Fields in an Entity Binding .................................................. 72
Removing the Redundant Value Classes ...................................................... 74
7. Summary ............................................................................................... 76
A. API Notes and Details ............................................................................... 77
Using Data Bindings .............................................................................. 77
Selecting Binding Formats ................................................................ 78
Selecting Data Bindings ................................................................... 78
Implementing Bindings .................................................................... 79
Using Bindings .............................................................................. 79
Secondary Key Creators .................................................................. 80
liu8480974992013-09-03不错，挺实用的
czx1234562012-12-13有用，借助文档解决问题了
