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Generic method return – JAVA

October 24, 2013

public <T> T getValue (Class<T> resultClass, String idJurisd, String nmView, String nmKey){
T result = null;
ReportabilityOutput record = this.get(generateKey(idJurisd, nmView, nmKey));
if(record != null){
if(resultClass.equals(Integer.class)){
result = resultClass.cast(record.getIntValue());
}else if(resultClass.equals(String.class)){
result = resultClass.cast(record.getStrValue());
}else if(resultClass.equals(Date.class)){
result = resultClass.cast(record.getDateValue());
}else if(resultClass.equals(Float.class)){
result = resultClass.cast(record.getFloatValue());
}
}
return result;
}

Sample call:

Integer buffer = this.getValue(Integer.class, "A", "B", "C");

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