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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping;
/**
* This exception is thrown by the {@link GroupingValidator} if it a {@link GroupingRequest} contains a reference to an
* unavailable attribute.
*
* @author Simon Thoresen Hult
*/
@SuppressWarnings("serial")
public class UnavailableAttributeException extends RuntimeException {
private final String clusterName;
private final String attributeName;
/**
* Constructs a new instance of this class.
*
* @param clusterName The name of the cluster for which the request is illegal.
* @param attributeName The name of the attribute which is referenced but not available.
*/
public UnavailableAttributeException(String clusterName, String attributeName) {
super("Grouping request references attribute '" + attributeName + "' which is not available " +
"in cluster '" + clusterName + "'.");
this.clusterName = clusterName;
this.attributeName = attributeName;
}
/**
* Returns the name of the cluster for which the request is illegal.
*
* @return The cluster name.
*/
public String getClusterName() {
return clusterName;
}
/**
* Returns the name of the attribute which is referenced but not available.
*
* @return The attribute name.
*/
public String getAttributeName() {
return attributeName;
}
}
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