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fix bug on ZIP function when handling a list with only singletons #18

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merged 2 commits into from
Mar 1, 2016
Merged

fix bug on ZIP function when handling a list with only singletons #18

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ebd1f83
fix bug on ZIP function when handling a list with only singletons
randomboolean Mar 1, 2016
e571d2a
fix simplified
randomboolean Mar 1, 2016
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4 changes: 2 additions & 2 deletions warp10/src/main/java/io/warp10/continuum/gts/ZIP.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ public Object apply(WarpScriptStack stack) throws WarpScriptException {
// Check the size of the various lists, they are either singletons or of the same size
//

int len = -1;
int len = 1;

for (Object o: metalist) {
if (!(o instanceof List)) {
Expand All @@ -66,7 +66,7 @@ public Object apply(WarpScriptStack stack) throws WarpScriptException {
continue;
}

if (-1 == len) {
if (1 == len) {
len = size;
} else if (size != len) {
throw new WarpScriptException(getName() + " operates on lists of lists. All lists which are not singletons must be of the same size.");
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