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

Example 1 with ShellException

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

the class Rmnode method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws ShellException, RemoteException {
    NodeOrRelationship node = null;
    if (parser.arguments().isEmpty()) {
        node = getCurrent(session);
    } else {
        long id = parseInt(parser.arguments().get(0));
        try {
            node = wrap(getNodeById(id));
        } catch (NotFoundException e) {
            throw new ShellException("No node " + id + " found");
        }
    }
    if (!node.isNode()) {
        out.println("Please select a node to delete");
        return Continuation.INPUT_COMPLETE;
    }
    boolean forceDeletion = parser.options().containsKey("f");
    if (forceDeletion) {
        for (Relationship relationship : node.asNode().getRelationships()) {
            out.println("Relationship " + getDisplayName(getServer(), session, relationship, true, false) + " deleted");
            relationship.delete();
        }
    }
    if (node.asNode().hasRelationship()) {
        throw new ShellException(getDisplayName(getServer(), session, node.asNode(), false) + " cannot be deleted because it still has relationships. Use -f to force deletion of its relationships");
    }
    node.asNode().delete();
    return Continuation.INPUT_COMPLETE;
}

Example 2 with ShellException

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

the class Rmrel method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws ShellException, RemoteException {
    assertCurrentIsNode(session);
    if (parser.arguments().isEmpty()) {
        throw new ShellException("Must supply relationship id to delete as the first argument");
    }
    Node currentNode = this.getCurrent(session).asNode();
    Relationship rel = findRel(currentNode, Long.parseLong(parser.arguments().get(0)));
    rel.delete();
    Node otherNode = rel.getOtherNode(currentNode);
    boolean deleteOtherNodeIfEmpty = parser.options().containsKey("d");
    if (deleteOtherNodeIfEmpty && !otherNode.hasRelationship()) {
        out.println("Also deleted " + getDisplayName(getServer(), session, otherNode, false) + " due to it not having any relationships left");
        otherNode.delete();
    }
    return Continuation.INPUT_COMPLETE;
}

Example 3 with ShellException

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

the class TransactionProvidingApp method jsonToNeo4jPropertyValue.

private Object jsonToNeo4jPropertyValue(Object value) throws ShellException {
    try {
        if (value instanceof JSONArray) {
            JSONArray array = (JSONArray) value;
            Object firstItem = array.get(0);
            Object resultArray = Array.newInstance(firstItem.getClass(), array.length());
            for (int i = 0; i < array.length(); i++) {
                Array.set(resultArray, i, array.get(i));
            }
            return resultArray;
        }
        return value;
    } catch (JSONException e) {
        throw new ShellException(stackTraceAsString(e));
    }
}

Example 4 with ShellException

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

the class IndexProviderShellApp method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws ShellException, RemoteException {
    boolean doCd = parser.options().containsKey("cd");
    boolean doLs = parser.options().containsKey("ls");
    boolean query = parser.options().containsKey("q");
    boolean get = parser.options().containsKey("g") || query || doCd || doLs;
    boolean index = parser.options().containsKey("i");
    boolean remove = parser.options().containsKey("r");
    boolean getConfig = parser.options().containsKey("get-config");
    boolean create = parser.options().containsKey("create");
    boolean setConfig = parser.options().containsKey("set-config");
    boolean delete = parser.options().containsKey("delete");
    boolean indexes = parser.options().containsKey("indexes");
    int count = boolCount(get, index, remove, getConfig, create, setConfig, delete, indexes);
    if (count != 1) {
        throw new ShellException("Supply one of: -g, -i, -r, --get-config, --set-config, --create, --delete, --indexes");
    }
    if (get) {
        String commandToRun = parser.options().get("c");
        Collection<String> commandsToRun = new ArrayList<String>();
        boolean specialCommand = false;
        if (doCd || doLs) {
            specialCommand = true;
            if (doCd) {
                commandsToRun.add("cd -a $i");
            } else if (doLs) {
                commandsToRun.add("ls $i");
            }
        } else if (commandToRun != null) {
            commandsToRun.addAll(Arrays.asList(commandToRun.split(Pattern.quote("&&"))));
        }
        if (getIndex(getIndexName(parser), getEntityType(parser), out) == null) {
            return Continuation.INPUT_COMPLETE;
        }
        IndexHits<PropertyContainer> result = query ? query(parser, out) : get(parser, out);
        try {
            for (PropertyContainer hit : result) {
                printAndInterpretTemplateLines(commandsToRun, false, !specialCommand, NodeOrRelationship.wrap(hit), getServer(), session, out);
            }
        } finally {
            result.close();
        }
    } else if (index) {
        index(parser, session, out);
    } else if (remove) {
        if (getIndex(getIndexName(parser), Node.class, out) == null) {
            return null;
        }
        remove(parser, session, out);
    } else if (getConfig) {
        displayConfig(parser, out);
    } else if (create) {
        createIndex(parser, out);
    } else if (setConfig) {
        setConfig(parser, out);
    } else if (delete) {
        deleteIndex(parser, out);
    }
    if (indexes) {
        listIndexes(out);
    }
    return Continuation.INPUT_COMPLETE;
}

Example 5 with ShellException

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

the class Rm method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws Exception {
    NodeOrRelationship thing = getCurrent(session);
    boolean forProperty = parser.options().containsKey("p");
    boolean forLabel = parser.options().containsKey("l");
    if (forProperty || !forLabel) {
        // Property
        if (parser.arguments().isEmpty()) {
            throw new ShellException("Must supply the property key or label name to " + "remove, like: rm title");
        }
        String key = parser.arguments().get(0);
        if (thing.removeProperty(key) == null) {
            out.println("Property '" + key + "' not found");
        }
    } else {
        Node node = thing.asNode();
        for (Label label : parseLabels(parser)) {
            node.removeLabel(label);
        }
    }
    return Continuation.INPUT_COMPLETE;
}