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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.pagetemplates;
import com.yahoo.search.pagetemplates.model.MapChoice;
import com.yahoo.search.pagetemplates.model.PageTemplateVisitor;
import com.yahoo.search.pagetemplates.model.Placeholder;
import java.util.Map;
/**
* Creates references from all placeholders to the choices which resolves them.
* If a placeholder is encountered which is not resolved by any choice, an IllegalArgumentException is thrown.
*
* @author bratseth
*/
class PlaceholderReferenceCreatingVisitor extends PageTemplateVisitor {
private final Map<String, MapChoice> placeholderIdToChoice;
public PlaceholderReferenceCreatingVisitor(Map<String, MapChoice> placeholderIdToChoice) {
this.placeholderIdToChoice = placeholderIdToChoice;
}
@Override
public void visit(Placeholder placeholder) {
MapChoice choice = placeholderIdToChoice.get(placeholder.getId());
if (choice == null)
throw new IllegalArgumentException(placeholder + " is not referenced by any choice");
placeholder.setValueContainer(choice);
}
}
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