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Migrate Java code to separate QL repo.

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Pavel Avgustinov
2018-08-30 10:48:05 +01:00
parent d957c151a6
commit 846c9d5860
2319 changed files with 134386 additions and 0 deletions
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37
java/ql/src/Frameworks/JavaEE/EJB/EjbStaticFieldNonFinal.qhelp Normal file
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<!DOCTYPE qhelp PUBLIC
"-//Semmle//qhelp//EN"
"qhelp.dtd">
<qhelp>
<overview>
<p>
The Enterprise JavaBeans 3.0 core specification, Section 21.1.2, states:
</p>
<blockquote>
<p>
An enterprise bean must not use read/write static fields. Using read-only static fields is
allowed. Therefore, it is recommended that all static fields in the enterprise bean class be
declared as final.
</p>
<p>
This rule is required to ensure consistent runtime semantics because while some EJB containers may
use a single JVM to execute all enterprise bean's instances, others may distribute the instances across
multiple JVMs.
</p>
</blockquote>
</overview>
<references>
<li>
<a href="http://jcp.org/aboutJava/communityprocess/final/jsr220/index.html">
JSR-220 Enterprise JavaBeans 3.0 Final Release</a> (ejbcore),
Section 21.1.2 Programming Restrictions
</li>
</references>
</qhelp>