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java.lang.Object org.apache.crunch.CombineFn.SimpleAggregator<String> org.apache.crunch.CombineFn.StringConcatAggregator
Aggregators.STRING_CONCAT(String, boolean, long, long)
public static class CombineFn.StringConcatAggregator
Constructor Summary | |
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CombineFn.StringConcatAggregator(String separator,
boolean skipNulls)
Deprecated. |
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CombineFn.StringConcatAggregator(String separator,
boolean skipNull,
long maxOutputLength,
long maxInputLength)
Deprecated. |
Method Summary | |
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void |
reset()
Deprecated. Clears the internal state of this Aggregator and prepares it for the values associated with the next key. |
Iterable<String> |
results()
Deprecated. Returns the current aggregated state of this instance. |
void |
update(String next)
Deprecated. Incorporate the given value into the aggregate state maintained by this instance. |
Methods inherited from class org.apache.crunch.CombineFn.SimpleAggregator |
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initialize |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CombineFn.StringConcatAggregator(String separator, boolean skipNulls)
public CombineFn.StringConcatAggregator(String separator, boolean skipNull, long maxOutputLength, long maxInputLength)
Method Detail |
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public void reset()
CombineFn.Aggregator
public void update(String next)
CombineFn.Aggregator
public Iterable<String> results()
CombineFn.Aggregator
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