Example usage for javax.persistence EntityGraph addSubgraph

Introduction

In this page you can find the example usage for javax.persistence EntityGraph addSubgraph.

Prototype

public <X> Subgraph<X> addSubgraph(String attributeName);

Source Link

Document

Add a node to the graph that corresponds to a managed type.

Usage

From source file:uk.ac.ebi.ep.data.repositories.EnzymePortalSummaryRepositoryImpl.java

@Override
public List<EnzymePortalSummary> findEnzymeSummariesByAccession(String accession) {
    EntityGraph eGraph = entityManager.getEntityGraph("summary.graph");

    eGraph.addAttributeNodes("uniprotAccession");
    eGraph.addSubgraph("uniprotAccession").addAttributeNodes("enzymePortalPathwaysSet",
            "enzymePortalReactionSet", "enzymePortalSummarySet", "enzymePortalDiseaseSet",
            "enzymePortalCompoundSet", "uniprotXrefSet", "enzymePortalEcNumbersSet");
    JPAQuery query = new JPAQuery(entityManager);

    query.setHint("javax.persistence.fetchgraph", eGraph);
    List<EnzymePortalSummary> summaries = query.from($)
            .where($.uniprotAccession.accession.equalsIgnoreCase(accession)).list($);
    return summaries;

}

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From source file:uk.ac.ebi.ep.data.repositories.EnzymePortalSummaryRepositoryImpl.java

@Override
public EnzymePortalSummary findEnzymeSummaryByAccession(String accession) {
    //EntityGraph eGraph = entityManager.createEntityGraph(EnzymePortalSummary.class);
    EntityGraph eGraph = entityManager.getEntityGraph("summary.graph");

    eGraph.addAttributeNodes("uniprotAccession");

    eGraph.addSubgraph("uniprotAccession").addAttributeNodes("enzymePortalPathwaysSet",
            "enzymePortalReactionSet", "enzymePortalSummarySet", "enzymePortalDiseaseSet",
            "enzymePortalCompoundSet", "uniprotXrefSet", "enzymePortalEcNumbersSet");
    JPAQuery query = new JPAQuery(entityManager);

    query.setHint("javax.persistence.fetchgraph", eGraph);
    EnzymePortalSummary e = query.from($).where($.uniprotAccession.accession.equalsIgnoreCase(accession))
            .singleResult($);//  w w w  . j  av  a 2s  . c o  m

    return e;
}

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From source file:uk.ac.ebi.ep.data.repositories.EnzymePortalSummaryRepositoryImpl.java

@Override
public Page<EnzymePortalSummary> findEnzymeSummariesByAccessions(List<String> accessions, Pageable pageable) {
    EntityGraph eGraph = entityManager.getEntityGraph("summary.graph");
    eGraph.addAttributeNodes("uniprotAccession");

    eGraph.addSubgraph("uniprotAccession").addAttributeNodes("enzymePortalPathwaysSet",
            "enzymePortalReactionSet", "enzymePortalSummarySet", "enzymePortalDiseaseSet",
            "enzymePortalCompoundSet", "uniprotXrefSet", "enzymePortalEcNumbersSet");
    JPAQuery query = new JPAQuery(entityManager);
    query.setHint("javax.persistence.fetchgraph", eGraph);

    BooleanBuilder builder = new BooleanBuilder();
    accessions.stream().forEach((accession) -> {

        builder.or($.uniprotAccession.accession.equalsIgnoreCase(accession));

    });/*from   w  w  w .j  a  va 2  s .c o m*/
    query.from($).where(builder);
    List<EnzymePortalSummary> result = query.distinct().list($).parallelStream().distinct()
            .collect(Collectors.toList());

    return new PageImpl(result, pageable, result.size());

}

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From source file:org.mmonti.entitygraph.repository.CustomGenericJpaRepository.java

private void buildEntityGraph(EntityGraph<T> entityGraph, String[] attributeGraph) {
    List<String> attributePaths = Arrays.asList(attributeGraph);

    // Sort to ensure that the intermediate entity subgraphs are created accordingly.
    Collections.sort(attributePaths);
    Collections.reverse(attributePaths);

    // We build the entity graph based on the paths with highest depth first
    for (String path : attributePaths) {

        // Fast path - just single attribute
        if (!path.contains(".")) {
            entityGraph.addAttributeNodes(path);
            continue;
        }/* ww  w.j av a2s  . c  o m*/

        // We need to build nested sub fetch graphs
        String[] pathComponents = StringUtils.delimitedListToStringArray(path, ".");
        Subgraph<?> parent = null;

        for (int c = 0; c < pathComponents.length - 1; c++) {
            parent = c == 0 ? entityGraph.addSubgraph(pathComponents[c])
                    : parent.addSubgraph(pathComponents[c]);
        }

        parent.addAttributeNodes(pathComponents[pathComponents.length - 1]);
    }
}

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