book

Effective Enterprise Java

Name: Effective Enterprise Java
Author: Ted Neward
ISBN: 0321130006

by Ted Neward

August 2004

Intermediate to advanced

496 pages

12h 52m

English

Addison-Wesley Professional

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Copyright
Effective Software Development Series Scott Meyers, Consulting Editor
Titles in the Series
Foreword
Preface
About the itemsAcknowledgmentsReporting bugs, making suggestions, and getting book updates
List of Abbreviations
1. Introduction
The goals of J2EEMiddleware and J2EEJ2EE implementationThe ten fallacies of enterprise computing
2. Architecture
Item 1: Prefer components as the key element of development, deployment, and reuseItem 2: Prefer loose coupling across component boundariesItem 3: Differentiate layers from tiersItem 4: Keep data and processors close togetherItem 5: Remember that identity breeds contentionItem 6: Use hook points to inject optimizations, customizations, or new functionalityItem 7: Be robust in the face of failureItem 8: Define your performance and scalability goalsItem 9: Restrict EJB to transactional processingItem 10: Never optimize without profiling firstItem 11: Recognize the cost of vendor neutralityItem 12: Build in monitoring supportItem 13: Build in administration supportItem 14: Make deployment as simple as possible
3. Communication
Item 15: Understand all your communications optionsItem 16: Consider your lookup carefullyItem 17: Recognize the cost of network accessItem 18: Prefer context-complete communication stylesItem 19: Prefer data-driven communication over behavior-driven communicationItem 20: Avoid waiting for remote service requests to respondItem 21: Consider partitioning components to avoid excessive load on any one machineItem 22: Consider using Web Services for open integrationItem 23: Pass data in bulkItem 24: Consider rolling your own communication proxies
4. Processing
Item 25: Keep it simpleItem 26: Prefer rules engines for complex state evaluation and executionItem 27: Prefer transactional processing for implicitly nonatomic failure scenariosItem 28: Differentiate user transactions from system transactionsItem 29: Minimize lock windowsItem 30: Never cede control outside your component while holding locksItem 31: Understand EJB transactional affinityItem 32: Prefer local transactions to distributed onesItem 33: Consider using optimistic concurrency for better scalabilityItem 34: Consider using pessimistic concurrency for explicit concurrency controlItem 35: Consider lower isolation levels for better transactional throughputItem 36: Use savepoints to keep partial work in the face of rollbackItem 37: Replicate resources when possible to avoid lock regionsItem 38: Favor the immutable, for it needs no locks
5. State Management
Item 39: Use HttpSession sparinglyItem 40: Use objects-first persistence to preserve your domain modelItem 41: Use relational-first persistence to expose the power of the relational modelItem 42: Use procedural-first persistence to create an encapsulation layerItem 43: Recognize the object-hierarchical impedance mismatchItem 44: Use in-process or local storage to avoid the networkItem 45: Never assume you own the data or the databaseItem 46: Lazy-load infrequently used dataItem 47: Eager-load frequently used dataItem 48: Batch SQL work to avoid round-tripsItem 49: Know your JDBC providerItem 50: Tune your SQL

6. Presentation
Item 51: Consider rich-client UI technologiesDynamic HTMLMacromedia FlashAppletsThe URLClassLoader classJNLP and Java Web StartEverything's a rich client?Item 52: Keep HTML minimalItem 53: Separate presentation from processingItem 54: Keep style separate from contentItem 55: Pregenerate content to minimize processingItem 56: Validate early, validate everything
7. Security
Item 57: Security is a process, not a productItem 58: Remember that security is not just preventionItem 59: Establish a threat modelItem 60: Assume insecurityItem 61: Always validate user inputItem 62: Turn on platform securityItem 63: Use role-based authorizationItem 64: Use SignedObject to provide integrity of Serialized objectsItem 65: Use SealedObject to provide confidentiality of Serializable objectsItem 66: Use GuardedObject to provide access control on objects
8. System
Item 67: Aggressively release resourcesItem 68: Tune the JVMItem 69: Use independent JREs for side-by-side versioningItem 70: Recognize ClassLoader boundariesIsolationVersioningItem 71: Understand Java Object SerializationThe serialVerUID fieldCustomization (writeObject and readObject)Replacement (writeReplace and readResolve)Further detailsItem 72: Don't fight the garbage collectorItem 73: Prefer container-managed resource managementItem 74: Use reference objects to augment garbage collection behaviorSoftReference objectsWeakReference objectsPhantomReference objectsItem 75: Don't be afraid of JNI code on the server
Bibliography
BooksWeb Sites

Content preview from Effective Enterprise Java

Chapter 3. Communication

	Whenever someone tells me that adopting their beliefs could give me the same type of life they have, I tell them that that's exactly what I'm afraid of.
	--H. W. Kenton

Interprocess communication (IPC) is a fundamental part of any enterprise system. We've long since moved beyond the day when everything—user interface, processing, and data storage—can be stored on a single machine and still be effective. Code needs to be able to communicate with processes running on other machines. IPC is what makes a distributed system, well, distributed.

Lots of different technologies could be lumped under the global category of communications. For example, database access to a remote database requires a communications layer over which ...

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Effective Enterprise Java

by Ted Neward

Chapter 3. Communication

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