org.javers.repository.jql.QueryRunner Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javers-core Show documentation
Show all versions of javers-core Show documentation
JaVers - object auditing and diff framework for Java
package org.javers.repository.jql;
import org.javers.common.exception.JaversException;
import org.javers.common.exception.JaversExceptionCode;
import org.javers.core.diff.Change;
import org.javers.core.metamodel.object.CdoSnapshot;
import org.javers.shadow.Shadow;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
/**
* @author bartosz.walacik
*/
public class QueryRunner {
private static final Logger logger = LoggerFactory.getLogger(JqlQuery.JQL_LOGGER_NAME);
private final ChangesQueryRunner changesQueryRunner;
private final SnapshotQueryRunner snapshotQueryRunner;
private final ShadowStreamQueryRunner shadowStreamQueryRunner;
QueryRunner(ChangesQueryRunner changesQueryRunner, SnapshotQueryRunner snapshotQueryRunner, ShadowStreamQueryRunner shadowStreamQueryRunner) {
this.changesQueryRunner = changesQueryRunner;
this.snapshotQueryRunner = snapshotQueryRunner;
this.shadowStreamQueryRunner = shadowStreamQueryRunner;
}
public Stream queryForShadowsStream(JqlQuery query) {
return shadowStreamQueryRunner.queryForShadowsStream(query);
}
public Optional runQueryForLatestSnapshot(GlobalIdDTO globalId) {
return snapshotQueryRunner.runQueryForLatestSnapshot(globalId);
}
public List queryForSnapshots(JqlQuery query) {
validateSnapshotQueryLimit(query, "findSnapshots()");
return snapshotQueryRunner.queryForSnapshots(query);
}
public List queryForChanges(JqlQuery query) {
validateSnapshotQueryLimit(query, "findChanges()");
return changesQueryRunner.queryForChanges(query);
}
private void validateSnapshotQueryLimit(JqlQuery query, String method) {
if (query.getQueryParams().hasSnapshotQueryLimit()) {
throw new JaversException(JaversExceptionCode.MALFORMED_JQL,
"QueryBuilder.snapshotQueryLimit() can be used only in Shadow queries. " +
"You can't use it with "+method+
". Please do not confuse QueryBuilder.snapshotQueryLimit() with QueryBuilder.limit().");
}
}
}