Examples with OSchemaException com.orientechnologies.orient.core.exception.OSchemaException used on opensource projects

Example 1 with OSchemaException

use of com.orientechnologies.orient.core.exception.OSchemaException in project orientdb by orientechnologies.

the class OSchemaShared method createClassInternal.

private OClass createClassInternal(final String className, final int[] clusterIdsToAdd, final List<OClass> superClasses) throws ClusterIdsAreEmptyException {
    acquireSchemaWriteLock();
    try {
        if (className == null || className.length() == 0)
            throw new OSchemaException("Found class name null or empty");
        if (Character.isDigit(className.charAt(0)))
            throw new OSchemaException("Found invalid class name. Cannot start with numbers");
        final Character wrongCharacter = checkClassNameIfValid(className);
        if (wrongCharacter != null)
            throw new OSchemaException("Found invalid class name. Character '" + wrongCharacter + "' cannot be used in class name.");
        final ODatabaseDocumentInternal database = getDatabase();
        final OStorage storage = database.getStorage();
        checkEmbedded(storage);
        checkClustersAreAbsent(clusterIdsToAdd);
        final int[] clusterIds;
        if (clusterIdsToAdd == null || clusterIdsToAdd.length == 0) {
            throw new ClusterIdsAreEmptyException();
        } else
            clusterIds = clusterIdsToAdd;
        database.checkSecurity(ORule.ResourceGeneric.SCHEMA, ORole.PERMISSION_CREATE);
        final String key = className.toLowerCase();
        if (classes.containsKey(key))
            throw new OSchemaException("Class '" + className + "' already exists in current database");
        OClassImpl cls = new OClassImpl(this, className, clusterIds);
        classes.put(key, cls);
        if (superClasses != null && superClasses.size() > 0) {
            cls.setSuperClassesInternal(superClasses);
            for (OClass superClass : superClasses) {
                // UPDATE INDEXES
                final int[] clustersToIndex = superClass.getPolymorphicClusterIds();
                final String[] clusterNames = new String[clustersToIndex.length];
                for (int i = 0; i < clustersToIndex.length; i++) clusterNames[i] = database.getClusterNameById(clustersToIndex[i]);
                for (OIndex<?> index : superClass.getIndexes()) for (String clusterName : clusterNames) if (clusterName != null)
                    database.getMetadata().getIndexManager().addClusterToIndex(clusterName, index.getName());
            }
        }
        addClusterClassMap(cls);
        return cls;
    } finally {
        releaseSchemaWriteLock();
    }
}

Example 2 with OSchemaException

use of com.orientechnologies.orient.core.exception.OSchemaException in project orientdb by orientechnologies.

the class OSchemaShared method dropClass.

/*
   * (non-Javadoc)
   * 
   * @see com.orientechnologies.orient.core.metadata.schema.OSchema#dropClass(java.lang.String)
   */
public void dropClass(final String className) {
    final ODatabaseDocumentInternal db = getDatabase();
    final OStorage storage = db.getStorage();
    final StringBuilder cmd;
    acquireSchemaWriteLock();
    try {
        if (getDatabase().getTransaction().isActive())
            throw new IllegalStateException("Cannot drop a class inside a transaction");
        if (className == null)
            throw new IllegalArgumentException("Class name is null");
        getDatabase().checkSecurity(ORule.ResourceGeneric.SCHEMA, ORole.PERMISSION_DELETE);
        final String key = className.toLowerCase();
        OClass cls = classes.get(key);
        if (cls == null)
            throw new OSchemaException("Class '" + className + "' was not found in current database");
        if (!cls.getSubclasses().isEmpty())
            throw new OSchemaException("Class '" + className + "' cannot be dropped because it has sub classes " + cls.getSubclasses() + ". Remove the dependencies before trying to drop it again");
        cmd = new StringBuilder("drop class ");
        cmd.append(className);
        cmd.append(" unsafe");
        if (executeThroughDistributedStorage()) {
            final OAutoshardedStorage autoshardedStorage = (OAutoshardedStorage) storage;
            OCommandSQL commandSQL = new OCommandSQL(cmd.toString());
            commandSQL.addExcludedNode(autoshardedStorage.getNodeId());
            db.command(commandSQL).execute();
            dropClassInternal(className);
        } else if (storage instanceof OStorageProxy) {
            final OCommandSQL commandSQL = new OCommandSQL(cmd.toString());
            db.command(commandSQL).execute();
            final OClass classToDrop = getClass(className);
            reload();
            if (// really dropped, for example there may be no rights to drop a class
            getClass(className) == null)
                dropClassIndexes(classToDrop);
        } else
            dropClassInternal(className);
        // FREE THE RECORD CACHE
        getDatabase().getLocalCache().freeCluster(cls.getDefaultClusterId());
    } finally {
        releaseSchemaWriteLock();
    }
}

Example 3 with OSchemaException

use of com.orientechnologies.orient.core.exception.OSchemaException in project orientdb by orientechnologies.

the class OSchemaShared method doCreateClass.

private OClass doCreateClass(final String className, final int clusters, final int retry, OClass... superClasses) {
    OClass result;
    final ODatabaseDocumentInternal db = getDatabase();
    final OStorage storage = db.getStorage();
    StringBuilder cmd = null;
    getDatabase().checkSecurity(ORule.ResourceGeneric.SCHEMA, ORole.PERMISSION_CREATE);
    if (superClasses != null)
        OClassImpl.checkParametersConflict(Arrays.asList(superClasses));
    acquireSchemaWriteLock();
    try {
        final String key = className.toLowerCase();
        if (classes.containsKey(key) && retry == 0)
            throw new OSchemaException("Class '" + className + "' already exists in current database");
        cmd = new StringBuilder("create class ");
        // if (getDatabase().getStorage().getConfiguration().isStrictSql())
        // cmd.append('`');
        cmd.append(className);
        // if (getDatabase().getStorage().getConfiguration().isStrictSql())
        // cmd.append('`');
        List<OClass> superClassesList = new ArrayList<OClass>();
        if (superClasses != null && superClasses.length > 0) {
            boolean first = true;
            for (OClass superClass : superClasses) {
                // Filtering for null
                if (superClass != null) {
                    if (first)
                        cmd.append(" extends ");
                    else
                        cmd.append(", ");
                    cmd.append(superClass.getName());
                    first = false;
                    superClassesList.add(superClass);
                }
            }
        }
        if (clusters == 0)
            cmd.append(" abstract");
        else {
            cmd.append(" clusters ");
            cmd.append(clusters);
        }
        if (executeThroughDistributedStorage()) {
            final int[] clusterIds = createClusters(className, clusters);
            createClassInternal(className, clusterIds, superClassesList);
            final OAutoshardedStorage autoshardedStorage = (OAutoshardedStorage) storage;
            OCommandSQL commandSQL = new OCommandSQL(cmd.toString());
            commandSQL.addExcludedNode(autoshardedStorage.getNodeId());
            final Object res = db.command(commandSQL).execute();
        } else if (storage instanceof OStorageProxy) {
            db.command(new OCommandSQL(cmd.toString())).execute();
            reload();
        } else {
            final int[] clusterIds = createClusters(className, clusters);
            createClassInternal(className, clusterIds, superClassesList);
        }
        result = classes.get(className.toLowerCase());
        // WAKE UP DB LIFECYCLE LISTENER
        for (Iterator<ODatabaseLifecycleListener> it = Orient.instance().getDbLifecycleListeners(); it.hasNext(); ) it.next().onCreateClass(getDatabase(), result);
    } catch (ClusterIdsAreEmptyException e) {
        throw OException.wrapException(new OSchemaException("Cannot create class '" + className + "'"), e);
    } finally {
        releaseSchemaWriteLock();
    }
    return result;
}

Example 4 with OSchemaException

use of com.orientechnologies.orient.core.exception.OSchemaException in project orientdb by orientechnologies.

the class OSchemaShared method createClass.

@Override
public OClass createClass(final String className, int[] clusterIds, OClass... superClasses) {
    final Character wrongCharacter = OSchemaShared.checkClassNameIfValid(className);
    if (wrongCharacter != null)
        throw new OSchemaException("Invalid class name found. Character '" + wrongCharacter + "' cannot be used in class name '" + className + "'");
    OClass result;
    int retry = 0;
    while (true) try {
        result = doCreateClass(className, clusterIds, retry, superClasses);
        break;
    } catch (ClusterIdsAreEmptyException e) {
        classes.remove(className.toLowerCase());
        clusterIds = (int[]) OScenarioThreadLocal.executeAsDefault(new Callable<int[]>() {

            @Override
            public int[] call() throws Exception {
                return createClusters(className);
            }
        });
        retry++;
    }
    return result;
}

Example 5 with OSchemaException

use of com.orientechnologies.orient.core.exception.OSchemaException in project orientdb by orientechnologies.

the class OClassImpl method setName.

public OClass setName(final String name) {
    if (getName().equals(name))
        return this;
    getDatabase().checkSecurity(ORule.ResourceGeneric.SCHEMA, ORole.PERMISSION_UPDATE);
    final Character wrongCharacter = OSchemaShared.checkClassNameIfValid(name);
    OClass oClass = getDatabase().getMetadata().getSchema().getClass(name);
    if (oClass != null) {
        String error = String.format("Cannot rename class %s to %s. A Class with name %s exists", this.name, name, name);
        throw new OSchemaException(error);
    }
    if (wrongCharacter != null)
        throw new OSchemaException("Invalid class name found. Character '" + wrongCharacter + "' cannot be used in class name '" + name + "'");
    acquireSchemaWriteLock();
    try {
        final ODatabaseDocumentInternal database = getDatabase();
        final OStorage storage = database.getStorage();
        if (storage instanceof OStorageProxy) {
            final String cmd = String.format("alter class `%s` name `%s`", this.name, name);
            database.command(new OCommandSQL(cmd)).execute();
        } else if (isDistributedCommand()) {
            final String cmd = String.format("alter class `%s` name `%s`", this.name, name);
            final OCommandSQL commandSQL = new OCommandSQL(cmd);
            commandSQL.addExcludedNode(((OAutoshardedStorage) storage).getNodeId());
            database.command(commandSQL).execute();
            setNameInternal(name);
        } else
            setNameInternal(name);
    } finally {
        releaseSchemaWriteLock();
    }
    return this;
}