40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
/*
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* Copyright (c) 2024.
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* SPDX-FileCopyrightText: © 2023 Consiglio Nazionale delle Ricerche
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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package eu.dnetlib.dhp.actionmanager.promote;
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/** Encodes the Actionset promotion strategies */
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public class PromoteAction {
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/** The supported actionset promotion strategies
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*
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* ENRICH: promotes only records in the actionset matching another record in the
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* graph and enriches them applying the given MergeAndGet strategy
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* UPSERT: promotes all the records in an actionset, matching records are updated
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* using the given MergeAndGet strategy, the non-matching record as inserted as they are.
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*/
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public enum Strategy {
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ENRICH, UPSERT
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}
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/**
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* Returns the string representation of the join type implementing the given PromoteAction.
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*
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* @param strategy the strategy to be used to promote the Actionset contents
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* @return the join type used to implement the promotion strategy
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*/
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public static String joinTypeForStrategy(PromoteAction.Strategy strategy) {
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switch (strategy) {
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case ENRICH:
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return "left_outer";
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case UPSERT:
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return "full_outer";
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default:
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throw new IllegalStateException("unsupported PromoteAction: " + strategy.toString());
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}
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}
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}
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