// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.model.api;

import com.yahoo.config.application.api.ValidationId;

/**
 * Represents an action to re-index a document type in order to handle a config change.
 *
 * @author bjorncs
 */
public interface ConfigChangeReindexAction extends ConfigChangeAction {

    @Override default Type getType() { return Type.REINDEX; }

    /** @return name identifying this kind of change, used to identify names which should be allowed */
    default String name() { return validationId().map(ValidationId::value).orElse("reindexing"); }

    /** @return name of the document type that must be re-indexed */
    String getDocumentType();
}

// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.model.api;

import com.yahoo.config.application.api.ValidationId;

/**
 * Represents an action to re-index a document type in order to handle a config change.
 *
 * @author bjorncs
 */
public interface ConfigChangeReindexAction extends ConfigChangeAction {

    @Override default Type getType() { return Type.REINDEX; }

    /** @return name identifying this kind of change, used to identify names which should be allowed */
    default String name() { return validationId().orElseThrow().value(); }

    /** @return name of the document type that must be re-indexed */
    String getDocumentType();
}

--- 
+++ 
@@ -13,7 +13,7 @@
     @Override default Type getType() { return Type.REINDEX; }
 
     /** @return name identifying this kind of change, used to identify names which should be allowed */
-    default String name() { return validationId().orElseThrow().value(); }
+    default String name() { return validationId().map(ValidationId::value).orElse("reindexing"); }
 
     /** @return name of the document type that must be re-indexed */
     String getDocumentType();
Use a default value of "reindexing" as "name" for reindex actions
