IntenseFinance/nosqlbench
3
0
Fork 0
mirror of https://github.com/nosqlbench/nosqlbench.git synced 2025-01-11 08:22:04 -06:00
Code Issues Packages Projects Releases Wiki Activity

more generic signature for config get()

Browse Source
This commit is contained in:
Jonathan Shook 2022-07-29 20:54:09 -05:00
parent ac6eeed52b
commit 564485fc49
1 changed files with 21 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
nb-api/src/main/java/io/nosqlbench/api/config/standard/NBConfiguration.java
View File

@ -83,11 +83,29 @@ public class NBConfiguration {
} else {
return value;
}
}
public String get(String name) {
return get(name, String.class);
/**
* Get a config value or object by name. This uses type inference (as a generic method)
* in addition to the internal model for type checking and ergonomic use. If you do not
* call this within an assignment or context where the Java compiler knows what type you
* are expecting, then use {@link #get(String, Class)} instead.
* @param name The name of the configuration parameter
* @param <T> The (inferred) generic type of the configuration value
* @return The value of type T, matching the config model type for the provided field name
*/
public <T> T get(String name) {
Param<T> param = (Param<T>)model.getNamedParams().get(name);
Object object = this.data.get(name);
if (param.type.isInstance(object)) {
return (T) object;
} else if (param.type.isAssignableFrom(object.getClass())) {
return param.type.cast(object);
} else if (NBTypeConverter.canConvert(object, param.type)) {
return NBTypeConverter.convert(object, param.type);
} else {
throw new NBConfigError("Unable to assign config value for field '" + name + "' of type '" + object.getClass().getCanonicalName() + "' to the required return type '" + param.type.getCanonicalName() + "' as specified in the config model for '" + model.getOf().getCanonicalName());
}
}
public <T> T get(String name, Class<? extends T> type) {