Examples with ShellException org.neo4j.shell.ShellException used on opensource projects

Example 21 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Dbinfo method getDescription.

@Override
public String getDescription() {
    final Kernel kernel;
    try {
        kernel = getKernel();
    } catch (ShellException e) {
        return e.getMessage();
    }
    MBeanServer mbeans = getPlatformMBeanServer();
    StringBuilder result = new StringBuilder("Get runtime information about the Graph Database.\n" + "This uses the Neo4j management beans to get" + " information about the Graph Database.\n\n");
    availableBeans(mbeans, kernel, result);
    result.append("\n");
    getUsage(result);
    return result.toString();
}

Example 22 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Rollback method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws ShellException, RemoteException {
    if (parser.getLineWithoutApp().trim().length() > 0) {
        out.println("Error: ROLLBACK should  be run without trailing arguments");
        return Continuation.INPUT_COMPLETE;
    }
    KernelTransaction tx = Begin.currentTransaction(getServer());
    if (tx == null) {
        throw Commit.fail(session, "Not in a transaction");
    }
    session.remove(Variables.TX_COUNT);
    tx.failure();
    try {
        tx.close();
    } catch (TransactionFailureException e) {
        throw new ShellException(e.getMessage());
    }
    out.println("Transaction rolled back");
    return Continuation.INPUT_COMPLETE;
}

Example 23 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Schema method sampleIndexes.

private void sampleIndexes(Label[] labels, String property, boolean sampleAll, boolean forceSample) throws ShellException {
    IndexingService indexingService = getServer().getDb().getDependencyResolver().resolveDependency(IndexingService.class);
    if (indexingService == null) {
        throw new ShellException("Internal error: failed to resolve IndexingService");
    }
    IndexSamplingMode samplingMode = getSamplingMode(forceSample);
    // Trigger sampling for all indices
    if (sampleAll) {
        indexingService.triggerIndexSampling(samplingMode);
        return;
    }
    validateLabelsAndProperty(labels, property);
    Statement statement = getServer().getStatement();
    int labelKey = statement.readOperations().labelGetForName(labels[0].name());
    int propertyKey = statement.readOperations().propertyKeyGetForName(property);
    if (labelKey == -1) {
        throw new ShellException("No label associated with '" + labels[0].name() + "' was found");
    }
    if (propertyKey == -1) {
        throw new ShellException("No property associated with '" + property + "' was found");
    }
    try {
        indexingService.triggerIndexSampling(SchemaDescriptorFactory.forLabel(labelKey, propertyKey), samplingMode);
    } catch (IndexNotFoundKernelException e) {
        throw new ShellException(e.getMessage());
    }
}

Example 24 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Set method getValueType.

private static ValueType getValueType(AppCommandParser parser) throws ShellException {
    String type = parser.options().containsKey("t") ? parser.options().get("t") : String.class.getSimpleName();
    ValueType valueType = NAME_TO_VALUE_TYPE.get(type);
    if (valueType == null) {
        throw new ShellException("Invalid value type '" + type + "'");
    }
    return valueType;
}

Example 25 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Set method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws ShellException {
    boolean forProperty = parser.options().containsKey("p");
    boolean forLabel = parser.options().containsKey("l");
    if (forProperty || !forLabel) {
        // Property
        if (parser.arguments().size() < 2) {
            throw new ShellException("Must supply key and value, " + "like: set title \"This is a my title\"");
        }
        String key = parser.arguments().get(0);
        ValueType valueType = getValueType(parser);
        Object value = parseValue(parser.arguments().get(1), valueType);
        NodeOrRelationship thing = getCurrent(session);
        thing.setProperty(key, value);
    } else {
        // Label
        Node node = getCurrent(session).asNode();
        for (Label label : parseLabels(parser)) {
            node.addLabel(label);
        }
    }
    return Continuation.INPUT_COMPLETE;
}