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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.List;
import java.util.Map;
import java.util.Set;
/**
* This is a grouping operation that processes each element of the input list separately, as opposed to {@link
* AllOperation} which processes that list as a whole.
*
* @author Simon Thoresen Hult
* @author bratseth
*/
public class EachOperation extends GroupingOperation {
/**
* Constructs a new instance of this class.
*/
public EachOperation() {
super("each", null);
}
private EachOperation(GroupingOperation parentOfCopy,
String image,
String label,
List<GroupingExpression> orderBy,
List<GroupingExpression> outputs,
List<GroupingOperation> children,
Map<String, GroupingExpression> aliases,
Set<String> hints,
GroupingExpression groupBy,
String where,
boolean forceSinglePass,
double accuracy,
int precision,
int level,
int max) {
super(parentOfCopy, image, label, orderBy, outputs, children, aliases, hints, groupBy, where, forceSinglePass, accuracy, precision, level, max);
}
@Override
public EachOperation copy(GroupingOperation parentOfCopy) {
return new EachOperation(parentOfCopy,
getImage(),
getLabel(),
getOrderBy(),
getOutputs(),
getChildren(),
getAliases(),
getHints(),
getGroupBy(),
getWhere(),
getForceSinglePass(),
getAccuracy(),
getPrecision(),
getLevel(),
getMax());
}
@Override
public void resolveLevel(int level) {
if (level == 0) {
throw new IllegalArgumentException("Operation '" + this + "' can not operate on " + getLevelDesc(level) + ".");
}
super.resolveLevel(level - 1);
}
}
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