io.warp10.script.aggregator

Class Join

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.aggregator.Join

All Implemented Interfaces:

WarpScriptAggregatorFunction, WarpScriptBucketizerFunction, WarpScriptMapperFunction, WarpScriptReducerFunction

public class Join
extends NamedWarpScriptFunction
implements WarpScriptMapperFunction, WarpScriptBucketizerFunction, WarpScriptReducerFunction

Return the concatenation of the string representation of values separated by the join string elevation and location are from the latest measure.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Join.Builder

Constructor Summary

Constructors

Constructor and Description
Join(java.lang.String name, java.lang.String separator, boolean ignoreNulls, boolean urlencode, java.lang.String nullString)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	apply(java.lang.Object[] args)
java.lang.String	toString()

Methods inherited from class io.warp10.script.NamedWarpScriptFunction

getName, refSnapshot, setName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Join

public Join(java.lang.String name,
            java.lang.String separator,
            boolean ignoreNulls,
            boolean urlencode,
            java.lang.String nullString)

Method Detail

apply

public java.lang.Object apply(java.lang.Object[] args)
                       throws WarpScriptException

Specified by:

apply in interface WarpScriptAggregatorFunction

Throws:

WarpScriptException

toString

public java.lang.String toString()

Overrides:

toString in class NamedWarpScriptFunction