io.warp10.script.functions

Class FLATTEN

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.functions.FLATTEN

All Implemented Interfaces:

WarpScriptStackFunction

public class FLATTEN
extends NamedWarpScriptFunction
implements WarpScriptStackFunction

Inspects the top of the stack. If it is a list of values, inspect each value and replace each value which was a list with its content. Proceed recursively until all lists have been flattened.

Constructor Summary

Constructors

Constructor and Description
FLATTEN(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	apply(WarpScriptStack stack)
java.util.List<java.lang.Object>	flatten(java.lang.Object o, java.util.concurrent.atomic.AtomicInteger nesting)

Methods inherited from class io.warp10.script.NamedWarpScriptFunction

getName, refSnapshot, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FLATTEN

public FLATTEN(java.lang.String name)

Method Detail

apply

public java.lang.Object apply(WarpScriptStack stack)
                       throws WarpScriptException

Specified by:

apply in interface WarpScriptStackFunction

Throws:

WarpScriptException

flatten

public java.util.List<java.lang.Object> flatten(java.lang.Object o,
                                                java.util.concurrent.atomic.AtomicInteger nesting)
                                         throws WarpScriptException

Throws:

WarpScriptException