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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
import java.util.Arrays;
import java.util.stream.Collectors;
/**
* This class represents debug_wait function in a {@link GroupingExpression}. For each hit evaluated,
* it waits for the time specified as the second argument. The third argument specifies if the wait
* should be a busy-wait or not. The first argument is then evaluated.
*
* @author Ulf Lilleengen
*/
public class DebugWaitFunction extends FunctionNode {
/**
* Constructs a new instance of this class.
*
* @param arg1 The first compulsory argument, the expression to proxy.
* @param arg2 The second compulsory argument, must evaluate to a positive number.
* @param arg3 The third compulsory argument, specifying busy wait or not.
*/
public DebugWaitFunction(GroupingExpression arg1, DoubleValue arg2, BooleanValue arg3) {
this(null, null, arg1, arg2, arg3);
}
private DebugWaitFunction(String label, Integer level, GroupingExpression arg1, DoubleValue arg2, BooleanValue arg3) {
super("debugwait", label, level, Arrays.asList(arg1, arg2, arg3));
}
@Override
public DebugWaitFunction copy() {
return new DebugWaitFunction(getLabel(),
getLevelOrNull(),
getArg(0).copy(),
(DoubleValue)getArg(1).copy(),
(BooleanValue)getArg(2).copy());
}
/**
* Returns the time to wait when evaluating this function.
*
* @return the number of seconds to wait.
*/
public double getWaitTime() {
return ((DoubleValue)getArg(1)).getValue();
}
/**
* Returns whether or not the debug node should busy-wait.
*
* @return true if busy-wait, false if not.
*/
public boolean getBusyWait() {
return ((BooleanValue)getArg(2)).getValue();
}
}
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