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plurals

PO
primarykey
Id
8025812
data
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0
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1
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CreationDate
2011-11-06T07:42:41.723
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2011-11-06T08:37:10.550
LastEditDate
2011-11-06T08:37:10.550
LastEditorUserId
571407
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571407
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8025707
PostTypeId
2
Score
1
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LastEditorDisplayName
text
Body
The result of the query, given what's printed and the error you got is a <code>Map<String, Map<String, Integer>></code> (or a <code>Map<String, Map<String, String>></code> if the numbers are stored as Strings). The map has one single key : <code>"get_all_words_popularity"</code>. The associated valud contains 4 keys : <code>"keyphrase_limit"</code>, <code>"timeout_limit"</code>, <code>"cost_per_call"</code>, <code>"result_limit"</code>. So your code should rather look like this: <pre><code>untypedResult = wt.queryPermissions(); resp.getWriter().println(" Response for QueryPermissions----"); if("No Error".equals(wt.errormsg)) { Map<String, Map<String, Integer> hMap = (Map<String, Map<String, Integer>) untypedResult; for (Map.Entry<String, Map<String, Integer>> me : hMap.entrySet()) { Map<String, Integer> value = me.getValue(); WtQueryPerm perm = new WtQueryPerm(value.get("keyphrase_limit"), value.get("timeout_limit"), value.get("cost_per_call"), value.get("result_limit")); resp.getWriter().println(me.getKey() + " : Cost per call=" + perm.getCostPerCall() + ", Keyphrase limit=" + perm.getKeyphraseLimit() + ", Result limit=" + perm.getResultLimit() + ", Timeout limit=" + perm.getTimeoutLimit()); } } </code></pre> Note that my code <ul> <li>respects the Java naming conventions</li> <li>always uses generic types, which avoid casts and compilation warnings</li> <li>doesn't compare Strings with ==, but uses equals, because == only compares the references and not the values.</li> <li>declare the variables with the smaller scope possible, only when needed.</li> <li>use getters to access the state of the constructed object.</li> </ul> Also understand that a cast doesn't magically transform an object into another object type. It just allows referencing an object of type A as another type B, and only works if the object is effectively of type B (and thus B has A as ancestor or interface)
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1. POjava- unable to map object returned by query to correctly defined class
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1. USJB Nizet
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1. POjava- unable to map object returned by query to correctly defined class
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1. COThank you, you answer is very illuminating!
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Querying!

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