[FLINK-6445] [cep] Fix NPE in no-condition patterns. #3825
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tedyu
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May 5, 2017
| public AndCondition(final IterativeCondition<T> left, final IterativeCondition<T> right) { | ||
| this.left = left; | ||
| this.right = right; | ||
| this.left = Preconditions.checkNotNull(left, "The condition cannot be null."); |
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Better indicate whether left or right is null in the message.
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