Auto detect whether the appropriate dialect is selected
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@ -47,6 +47,9 @@ import org.apache.commons.lang3.time.DateUtils;
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import org.hl7.fhir.instance.model.api.IBaseResource;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.domain.*;
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import org.springframework.orm.jpa.JpaDialect;
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import org.springframework.orm.jpa.JpaTransactionManager;
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import org.springframework.orm.jpa.vendor.HibernateJpaDialect;
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import org.springframework.scheduling.concurrent.CustomizableThreadFactory;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.TransactionDefinition;
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@ -57,6 +60,7 @@ import org.springframework.transaction.support.TransactionCallbackWithoutResult;
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import org.springframework.transaction.support.TransactionTemplate;
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import javax.annotation.Nullable;
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import javax.annotation.PostConstruct;
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import javax.persistence.EntityManager;
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import java.util.*;
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import java.util.concurrent.*;
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@ -92,6 +96,21 @@ public class SearchCoordinatorSvcImpl implements ISearchCoordinatorSvc {
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private IPagingProvider myPagingProvider;
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private int mySyncSize = DEFAULT_SYNC_SIZE;
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/** Set in {@link #start()} */
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private boolean myCustomIsolationSupported;
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@PostConstruct
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public void start() {
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if (myManagedTxManager instanceof JpaTransactionManager) {
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JpaDialect jpaDialect = ((JpaTransactionManager) myManagedTxManager).getJpaDialect();
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if (jpaDialect instanceof HibernateJpaDialect) {
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myCustomIsolationSupported = true;
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}
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}
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if (myCustomIsolationSupported == false) {
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ourLog.warn("JPA dialect does not support transaction isolation! This can have an impact on search performance.")
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}
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}
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/**
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* Constructor
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@ -612,7 +631,11 @@ public class SearchCoordinatorSvcImpl implements ISearchCoordinatorSvc {
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TransactionTemplate txTemplate = new TransactionTemplate(myManagedTxManager);
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txTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
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txTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_UNCOMMITTED);
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if (myCustomIsolationSupported) {
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txTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_UNCOMMITTED);
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}
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txTemplate.execute(new TransactionCallbackWithoutResult() {
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@Override
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protected void doInTransactionWithoutResult(TransactionStatus theStatus) {
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