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LogicConditionNeedOptimization: ignore instanceof #661

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rnveach opened this issue May 27, 2018 · 1 comment
Closed

LogicConditionNeedOptimization: ignore instanceof #661

rnveach opened this issue May 27, 2018 · 1 comment

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@rnveach
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@rnveach rnveach commented May 27, 2018

$ cat TestClass.java
public class TestClass {
    void method() {
String s = "";
Object o = null;
if (("Package".equals(s)) && (o instanceof String)) {}
    }
}

$ cat TestConfig.xml
<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
          "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
          "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">

<module name="Checker">
    <property name="charset" value="UTF-8"/>

    <module name="TreeWalker">
<module name="com.github.sevntu.checkstyle.checks.coding.LogicConditionNeedOptimizationCheck" />
    </module>
</module>

$ java -jar checkstyle-8.9-sevntu-1.29.0-all.jar -c TestConfig.xml TestClass.java
Starting audit...
[ERROR] TestClass.java:5: Condition with && at line 5 position 26 need optimization. All method calls are advised to move to end of logic expression. [LogicConditionNeedOptimization]
Audit done.
Checkstyle ends with 1 errors.

instanceof should be treated the same as a method call as it is a heavy procedure.

rnveach added a commit to rnveach/sevntu.checkstyle that referenced this issue Jun 8, 2018
rnveach added a commit to rnveach/sevntu.checkstyle that referenced this issue Jun 8, 2018
rnveach added a commit to rnveach/sevntu.checkstyle that referenced this issue Jun 8, 2018
rnveach added a commit to rnveach/sevntu.checkstyle that referenced this issue Jun 8, 2018
rnveach added a commit to rnveach/sevntu.checkstyle that referenced this issue Jun 8, 2018
rnveach added a commit that referenced this issue Jun 8, 2018
@rnveach
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@rnveach rnveach commented Jun 8, 2018

Fix was merged

@rnveach rnveach closed this Jun 8, 2018
@romani romani added this to the 1.30.0 milestone Jun 8, 2018
@rnveach rnveach added the bug label Jun 23, 2018
kariem added a commit to kariem/sevntu.checkstyle that referenced this issue Jul 26, 2018
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