public class StringConcatReducer extends Object implements IgniteReducer<String,String>
public StringConcatReducer(String delim)
delim
- Delimiter (optional).public boolean collect(String s)
false
then IgniteReducer.reduce()
will be called right away. Otherwise caller will continue collecting until all
values are processed.collect
in interface IgniteReducer<String,String>
s
- Value to collect.true
to continue collecting, false
to instruct caller to stop
collecting and call IgniteReducer.reduce()
method.public String reduce()
reduce
in interface IgniteReducer<String,String>
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Ignite Fabric : ver. 2.0.0 Release Date : April 30 2017