Examples with PropertyState org.apache.jackrabbit.core.state.PropertyState used on opensource projects

Example 16 with PropertyState

use of org.apache.jackrabbit.core.state.PropertyState in project jackrabbit by apache.

the class LengthOperand method getValues.

/**
     * {@inheritDoc}
     */
public Value[] getValues(ScoreNode sn, EvaluationContext context) throws RepositoryException {
    PropertyState ps = property.getPropertyState(sn, context);
    if (ps == null) {
        return EMPTY;
    } else {
        ValueFactoryImpl vf = (ValueFactoryImpl) context.getSession().getValueFactory();
        QValueFactory qvf = vf.getQValueFactory();
        InternalValue[] values = ps.getValues();
        Value[] lengths = new Value[values.length];
        for (int i = 0; i < lengths.length; i++) {
            long len;
            int type = values[i].getType();
            if (type == PropertyType.NAME) {
                len = vf.createValue(qvf.create(values[i].getName())).getString().length();
            } else if (type == PropertyType.PATH) {
                len = vf.createValue(qvf.create(values[i].getPath())).getString().length();
            } else {
                len = Util.getLength(values[i]);
            }
            lengths[i] = vf.createValue(len);
        }
        return lengths;
    }
}

Example 17 with PropertyState

use of org.apache.jackrabbit.core.state.PropertyState in project jackrabbit by apache.

the class PropertyValueOperand method getPropertyState.

/**
     * Returns the property state for the given score node or <code>null</code>
     * if none exists.
     *
     * @param sn the current score node.
     * @param context the evaluation context.
     * @return the property state or <code>null</code>.
     * @throws RepositoryException if an error occurs while reading.
     */
public final PropertyState getPropertyState(ScoreNode sn, EvaluationContext context) throws RepositoryException {
    ItemStateManager ism = context.getItemStateManager();
    PropertyId propId = new PropertyId(sn.getNodeId(), operand.getPropertyQName());
    try {
        return (PropertyState) ism.getItemState(propId);
    } catch (NoSuchItemStateException e) {
        return null;
    } catch (ItemStateException e) {
        throw new RepositoryException(e);
    }
}

Example 18 with PropertyState

use of org.apache.jackrabbit.core.state.PropertyState in project jackrabbit by apache.

the class NodeImpl method setMixins.

/**
     * {@inheritDoc}
     */
public void setMixins(String[] mixinNames) throws NoSuchNodeTypeException, VersionException, ConstraintViolationException, LockException, RepositoryException {
    // check state of this instance
    sanityCheck();
    NodeTypeManagerImpl ntMgr = sessionContext.getNodeTypeManager();
    Set<Name> newMixins = new HashSet<Name>();
    for (String name : mixinNames) {
        Name qName = sessionContext.getQName(name);
        if (!ntMgr.getNodeType(qName).isMixin()) {
            throw new RepositoryException(sessionContext.getJCRName(qName) + " is not a mixin node type");
        }
        newMixins.add(qName);
    }
    // make sure this node is checked-out, neither protected nor locked and
    // the editing session has sufficient permission to change the mixin types.
    // special handling of mix:(simple)versionable. since adding the
    // mixin alters the version storage jcr:versionManagement privilege
    // is required in addition.
    int permissions = Permission.NODE_TYPE_MNGMT;
    if (newMixins.contains(MIX_VERSIONABLE) || newMixins.contains(MIX_SIMPLE_VERSIONABLE)) {
        permissions |= Permission.VERSION_MNGMT;
    }
    int options = ItemValidator.CHECK_CHECKED_OUT | ItemValidator.CHECK_LOCK | ItemValidator.CHECK_CONSTRAINTS | ItemValidator.CHECK_HOLD;
    sessionContext.getItemValidator().checkModify(this, options, permissions);
    final NodeState state = data.getNodeState();
    // build effective node type of primary type & new mixin's
    // in order to detect conflicts
    NodeTypeRegistry ntReg = ntMgr.getNodeTypeRegistry();
    EffectiveNodeType entNew, entOld, entAll;
    try {
        entNew = ntReg.getEffectiveNodeType(newMixins);
        entOld = ntReg.getEffectiveNodeType(state.getMixinTypeNames());
        // try to build new effective node type (will throw in case of conflicts)
        entAll = ntReg.getEffectiveNodeType(state.getNodeTypeName(), newMixins);
    } catch (NodeTypeConflictException ntce) {
        throw new ConstraintViolationException(ntce.getMessage());
    }
    // added child item definitions
    Set<QItemDefinition> addedDefs = new HashSet<QItemDefinition>(Arrays.asList(entNew.getAllItemDefs()));
    addedDefs.removeAll(Arrays.asList(entOld.getAllItemDefs()));
    // referential integrity check
    boolean referenceableOld = getEffectiveNodeType().includesNodeType(NameConstants.MIX_REFERENCEABLE);
    boolean referenceableNew = entAll.includesNodeType(NameConstants.MIX_REFERENCEABLE);
    if (referenceableOld && !referenceableNew) {
        // node would become non-referenceable;
        // make sure no references exist
        PropertyIterator iter = getReferences();
        if (iter.hasNext()) {
            throw new ConstraintViolationException("the new mixin types cannot be set as it would render " + "this node 'non-referenceable' while it is still being " + "referenced through at least one property of type REFERENCE");
        }
    }
    // gather currently assigned definitions *before* doing actual modifications
    Map<ItemId, ItemDefinition> oldDefs = new HashMap<ItemId, ItemDefinition>();
    for (Name name : getNodeState().getPropertyNames()) {
        PropertyId id = new PropertyId(getNodeId(), name);
        try {
            PropertyState propState = (PropertyState) stateMgr.getItemState(id);
            oldDefs.put(id, itemMgr.getDefinition(propState));
        } catch (ItemStateException ise) {
            String msg = name + ": failed to retrieve property state";
            log.error(msg, ise);
            throw new RepositoryException(msg, ise);
        }
    }
    for (ChildNodeEntry cne : getNodeState().getChildNodeEntries()) {
        try {
            NodeState nodeState = (NodeState) stateMgr.getItemState(cne.getId());
            oldDefs.put(cne.getId(), itemMgr.getDefinition(nodeState));
        } catch (ItemStateException ise) {
            String msg = cne + ": failed to retrieve node state";
            log.error(msg, ise);
            throw new RepositoryException(msg, ise);
        }
    }
    // now do the actual modifications in content as mandated by the new mixins
    // modify the state of this node
    NodeState thisState = (NodeState) getOrCreateTransientItemState();
    thisState.setMixinTypeNames(newMixins);
    // set jcr:mixinTypes property
    setMixinTypesProperty(newMixins);
    // walk through properties and child nodes and change definition as necessary
    // use temp set to avoid ConcurrentModificationException
    HashSet<Name> set = new HashSet<Name>(thisState.getPropertyNames());
    for (Name propName : set) {
        PropertyState propState = null;
        try {
            propState = (PropertyState) stateMgr.getItemState(new PropertyId(thisState.getNodeId(), propName));
            // the following call triggers ConstraintViolationException
            // if there isn't any suitable definition anymore
            itemMgr.getDefinition(propState);
        } catch (ConstraintViolationException cve) {
            // redefine property if possible
            try {
                if (oldDefs.get(propState.getId()).isProtected()) {
                    // remove 'orphaned' protected properties immediately
                    removeChildProperty(propName);
                    continue;
                }
                PropertyDefinitionImpl pdi = getApplicablePropertyDefinition(propName, propState.getType(), propState.isMultiValued(), false);
                PropertyImpl prop = (PropertyImpl) itemMgr.getItem(propState.getId());
                if (pdi.getRequiredType() != PropertyType.UNDEFINED && pdi.getRequiredType() != propState.getType()) {
                    // value conversion required
                    if (propState.isMultiValued()) {
                        // convert value
                        Value[] values = ValueHelper.convert(prop.getValues(), pdi.getRequiredType(), getSession().getValueFactory());
                        // redefine property
                        prop.onRedefine(pdi.unwrap());
                        // set converted values
                        prop.setValue(values);
                    } else {
                        // convert value
                        Value value = ValueHelper.convert(prop.getValue(), pdi.getRequiredType(), getSession().getValueFactory());
                        // redefine property
                        prop.onRedefine(pdi.unwrap());
                        // set converted values
                        prop.setValue(value);
                    }
                } else {
                    // redefine property
                    prop.onRedefine(pdi.unwrap());
                }
                // update collection of added definitions
                addedDefs.remove(pdi.unwrap());
            } catch (ValueFormatException vfe) {
                // value conversion failed, remove it
                removeChildProperty(propName);
            } catch (ConstraintViolationException cve1) {
                // no suitable definition found for this property,
                // remove it
                removeChildProperty(propName);
            }
        } catch (ItemStateException ise) {
            String msg = propName + ": failed to retrieve property state";
            log.error(msg, ise);
            throw new RepositoryException(msg, ise);
        }
    }
    // use temp array to avoid ConcurrentModificationException
    ArrayList<ChildNodeEntry> list = new ArrayList<ChildNodeEntry>(thisState.getChildNodeEntries());
    // start from tail to avoid problems with same-name siblings
    for (int i = list.size() - 1; i >= 0; i--) {
        ChildNodeEntry entry = list.get(i);
        NodeState nodeState = null;
        try {
            nodeState = (NodeState) stateMgr.getItemState(entry.getId());
            // the following call triggers ConstraintViolationException
            // if there isn't any suitable definition anymore
            itemMgr.getDefinition(nodeState);
        } catch (ConstraintViolationException cve) {
            // redefine node if possible
            try {
                if (oldDefs.get(nodeState.getId()).isProtected()) {
                    // remove 'orphaned' protected child node immediately
                    removeChildNode(entry.getId());
                    continue;
                }
                NodeDefinitionImpl ndi = getApplicableChildNodeDefinition(entry.getName(), nodeState.getNodeTypeName());
                NodeImpl node = (NodeImpl) itemMgr.getItem(nodeState.getId());
                // redefine node
                node.onRedefine(ndi.unwrap());
                // update collection of added definitions
                addedDefs.remove(ndi.unwrap());
            } catch (ConstraintViolationException cve1) {
                // no suitable definition found for this child node,
                // remove it
                removeChildNode(entry.getId());
            }
        } catch (ItemStateException ise) {
            String msg = entry + ": failed to retrieve node state";
            log.error(msg, ise);
            throw new RepositoryException(msg, ise);
        }
    }
    // and at the same time were not present with the old mixins
    for (QItemDefinition def : addedDefs) {
        if (def.isAutoCreated()) {
            if (def.definesNode()) {
                NodeDefinitionImpl ndi = ntMgr.getNodeDefinition((QNodeDefinition) def);
                createChildNode(def.getName(), (NodeTypeImpl) ndi.getDefaultPrimaryType(), null);
            } else {
                PropertyDefinitionImpl pdi = ntMgr.getPropertyDefinition((QPropertyDefinition) def);
                createChildProperty(pdi.unwrap().getName(), pdi.getRequiredType(), pdi);
            }
        }
    }
}

Example 19 with PropertyState

use of org.apache.jackrabbit.core.state.PropertyState in project jackrabbit by apache.

the class NodeImpl method createChildProperty.

/**
     * Creates a new property with the given name and <code>type</code> hint and
     * property definition. If the given property definition is not of type
     * <code>UNDEFINED</code>, then it takes precedence over the
     * <code>type</code> hint.
     *
     * @param name the name of the property to create.
     * @param type the type hint.
     * @param def  the associated property definition.
     * @return the property instance.
     * @throws RepositoryException if the property cannot be created.
     */
protected synchronized PropertyImpl createChildProperty(Name name, int type, PropertyDefinitionImpl def) throws RepositoryException {
    // create a new property state
    PropertyState propState;
    try {
        QPropertyDefinition propDef = def.unwrap();
        if (def.getRequiredType() != PropertyType.UNDEFINED) {
            type = def.getRequiredType();
        }
        propState = stateMgr.createTransientPropertyState(getNodeId(), name, ItemState.STATUS_NEW);
        propState.setType(type);
        propState.setMultiValued(propDef.isMultiple());
        // compute system generated values if necessary
        String userId = sessionContext.getSessionImpl().getUserID();
        new NodeTypeInstanceHandler(userId).setDefaultValues(propState, data.getNodeState(), propDef);
    } catch (ItemStateException ise) {
        String msg = "failed to add property " + name + " to " + this;
        log.debug(msg);
        throw new RepositoryException(msg, ise);
    }
    // create Property instance wrapping new property state
    // NOTE: since the property is not yet connected to its parent, avoid
    // calling ItemManager#getItem(ItemId) which may include a permission
    // check (with subsequent usage of the hierarachy-mgr -> error).
    // just let the mgr create the new property that is known to exist and
    // which has not been accessed before.
    PropertyImpl prop = (PropertyImpl) itemMgr.createItemInstance(propState);
    // modify the state of 'this', i.e. the parent node
    NodeState thisState = (NodeState) getOrCreateTransientItemState();
    // add new property entry
    thisState.addPropertyName(name);
    return prop;
}

Example 20 with PropertyState

use of org.apache.jackrabbit.core.state.PropertyState in project jackrabbit by apache.

the class PropertyImpl method getOrCreateTransientItemState.

@Override
protected synchronized ItemState getOrCreateTransientItemState() throws RepositoryException {
    synchronized (data) {
        if (!isTransient()) {
            // make transient (copy-on-write)
            try {
                PropertyState transientState = stateMgr.createTransientPropertyState(data.getPropertyState(), ItemState.STATUS_EXISTING_MODIFIED);
                // swap persistent with transient state
                data.setState(transientState);
            } catch (ItemStateException ise) {
                String msg = "failed to create transient state";
                log.debug(msg);
                throw new RepositoryException(msg, ise);
            }
        }
        return getItemState();
    }
}