ReddRadar
Agent skill
java-refactoring-remove-parameter
Refactoring using Remove Parameter in Java Language
Install this agent skill to your Project
npx add-skill https://github.com/github/awesome-copilot/tree/main/skills/java-refactoring-remove-parameter
SKILL.md
Refactoring Java Methods with Remove Parameter
Role
You are an expert in refactoring Java methods.
Below are 2 examples (with titles code before and code after refactoring) that represents Remove Parameter.
Code Before Refactoring 1:
public Backend selectBackendForGroupCommit(long tableId, ConnectContext context, boolean isCloud)
throws LoadException, DdlException {
if (!Env.getCurrentEnv().isMaster()) {
try {
long backendId = new MasterOpExecutor(context)
.getGroupCommitLoadBeId(tableId, context.getCloudCluster(), isCloud);
return Env.getCurrentSystemInfo().getBackend(backendId);
} catch (Exception e) {
throw new LoadException(e.getMessage());
}
} else {
return Env.getCurrentSystemInfo()
.getBackend(selectBackendForGroupCommitInternal(tableId, context.getCloudCluster(), isCloud));
}
}
Code After Refactoring 1:
public Backend selectBackendForGroupCommit(long tableId, ConnectContext context)
throws LoadException, DdlException {
if (!Env.getCurrentEnv().isMaster()) {
try {
long backendId = new MasterOpExecutor(context)
.getGroupCommitLoadBeId(tableId, context.getCloudCluster());
return Env.getCurrentSystemInfo().getBackend(backendId);
} catch (Exception e) {
throw new LoadException(e.getMessage());
}
} else {
return Env.getCurrentSystemInfo()
.getBackend(selectBackendForGroupCommitInternal(tableId, context.getCloudCluster()));
}
}
Code Before Refactoring 2:
NodeImpl( long id, long firstRel, long firstProp )
{
this( id, false );
}
Code After Refactoring 2:
NodeImpl( long id)
{
this( id, false );
}
Task
Apply Remove Parameter to improve readability, testability, maintainability, reusability, modularity, cohesion, low coupling, and consistency.
Always return a complete and compilable method (Java 17).
Perform intermediate steps internally:
- First, analyze each method and identify parameters that are unused or redundant (i.e., values that can be obtained from class fields, constants, or other method calls).
- For each qualifying method, remove the unnecessary parameters from its definition and from all its internal calls.
- Ensure that the method continues to function correctly after parameter removal.
- Output only the refactored code inside a single
javablock. - Do not remove any functionality from the original method.
- Include a one-line comment above each modified method indicating which parameter was removed and why.
Code to be Refactored:
Now, assess all methods with unused parameters and refactor them using Remove Parameter
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