Examples with Admin org.neo4j.procedure.Admin used on opensource projects

Example 1 with Admin

use of org.neo4j.procedure.Admin in project neo4j by neo4j.

the class BuiltInDbmsProcedures method listConfig.

@Admin
@SystemProcedure
@Description("List the currently active config of Neo4j.")
@Procedure(name = "dbms.listConfig", mode = DBMS)
public Stream<ConfigResult> listConfig(@Name(value = "searchString", defaultValue = "") String searchString) {
    String lowerCasedSearchString = searchString.toLowerCase();
    List<ConfigResult> results = new ArrayList<>();
    Config config = graph.getDependencyResolver().resolveDependency(Config.class);
    config.getValues().forEach((setting, value) -> {
        if (!setting.internal() && setting.name().toLowerCase().contains(lowerCasedSearchString)) {
            results.add(new ConfigResult(setting, value));
        }
    });
    return results.stream().sorted(Comparator.comparing(c -> c.name));
}

Example 2 with Admin

use of org.neo4j.procedure.Admin in project neo4j by neo4j.

the class BuiltInDbmsProcedures method clearAllQueryCaches.

@Admin
@SystemProcedure
@Description("Clears all query caches.")
@Procedure(name = "db.clearQueryCaches", mode = DBMS)
public Stream<StringResult> clearAllQueryCaches() {
    QueryExecutionEngine queryExecutionEngine = graph.getDependencyResolver().resolveDependency(QueryExecutionEngine.class);
    // this query itself does not count
    long numberOfClearedQueries = queryExecutionEngine.clearQueryCaches() - 1;
    String result = numberOfClearedQueries == 0 ? "Query cache already empty." : "Query caches successfully cleared of " + numberOfClearedQueries + " queries.";
    log.info("Called db.clearQueryCaches(): " + result);
    return Stream.of(new StringResult(result));
}

Example 3 with Admin

use of org.neo4j.procedure.Admin in project neo4j by neo4j.

the class BuiltInDbmsProcedures method upgrade.

@Admin
@SystemProcedure
@Description("Upgrade the system database schema if it is not the current schema.")
@Procedure(name = "dbms.upgrade", mode = WRITE)
public Stream<SystemGraphComponentUpgradeResult> upgrade() throws ProcedureException {
    if (!callContext.isSystemDatabase()) {
        throw new ProcedureException(ProcedureCallFailed, "This is an administration command and it should be executed against the system database: dbms.upgrade");
    }
    SystemGraphComponents versions = systemGraphComponents;
    SystemGraphComponent.Status status = versions.detect(transaction);
    // New components are not currently initialised in cluster deployment when new binaries are booted on top of an existing database.
    // This is a known shortcoming of the lifecycle and a state transfer from UNINITIALIZED to CURRENT must be supported
    // as a workaround until it is fixed.
    var upgradableStatuses = List.of(REQUIRES_UPGRADE, UNINITIALIZED);
    if (upgradableStatuses.contains(status)) {
        ArrayList<String> failed = new ArrayList<>();
        versions.forEach(component -> {
            SystemGraphComponent.Status initialStatus = component.detect(transaction);
            if (upgradableStatuses.contains(initialStatus)) {
                try {
                    component.upgradeToCurrent(graph);
                } catch (Exception e) {
                    failed.add(String.format("[%s] %s", component.componentName(), e.getMessage()));
                }
            }
        });
        String upgradeResult = failed.isEmpty() ? "Success" : "Failed: " + String.join(", ", failed);
        return Stream.of(new SystemGraphComponentUpgradeResult(versions.detect(transaction).name(), upgradeResult));
    } else {
        return Stream.of(new SystemGraphComponentUpgradeResult(status.name(), status.resolution()));
    }
}