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

Example 51 with PropertyState

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

the class SimpleExcerptProvider method getExcerpt.

/**
     * {@inheritDoc}
     */
public String getExcerpt(NodeId id, int maxFragments, int maxFragmentSize) throws IOException {
    StringBuffer text = new StringBuffer();
    try {
        NodeState nodeState = (NodeState) ism.getItemState(id);
        String separator = "";
        Iterator<Name> it = nodeState.getPropertyNames().iterator();
        while (it.hasNext() && text.length() < maxFragmentSize) {
            PropertyId propId = new PropertyId(id, it.next());
            PropertyState propState = (PropertyState) ism.getItemState(propId);
            if (propState.getType() == PropertyType.STRING) {
                text.append(separator);
                separator = " ... ";
                InternalValue[] values = propState.getValues();
                for (InternalValue value : values) {
                    text.append(value.toString());
                }
            }
        }
    } catch (ItemStateException e) {
    // ignore
    }
    if (text.length() > maxFragmentSize) {
        int lastSpace = text.lastIndexOf(" ", maxFragmentSize);
        if (lastSpace != -1) {
            text.setLength(lastSpace);
        } else {
            text.setLength(maxFragmentSize);
        }
        text.append(" ...");
    }
    return "<excerpt><fragment>" + text.toString() + "</fragment></excerpt>";
}

Example 52 with PropertyState

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

the class NodeIndexer method getValue.

/**
     * Utility method that extracts the first value of the named property
     * of the current node. Returns <code>null</code> if the property does
     * not exist or contains no values.
     *
     * @param name property name
     * @return value of the named property, or <code>null</code>
     * @throws ItemStateException if the property can not be accessed
     */
protected InternalValue getValue(Name name) throws ItemStateException {
    try {
        PropertyId id = new PropertyId(node.getNodeId(), name);
        PropertyState property = (PropertyState) stateProvider.getItemState(id);
        InternalValue[] values = property.getValues();
        if (values.length > 0) {
            return values[0];
        } else {
            return null;
        }
    } catch (NoSuchItemStateException e) {
        return null;
    }
}

Example 53 with PropertyState

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

the class SearchIndex method mergeAggregatedNodeIndexes.

/**
     * Merges the fulltext indexed fields of the aggregated node states into
     * <code>doc</code>.
     *
     * @param state the node state on which <code>doc</code> was created.
     * @param doc the lucene document with index fields from <code>state</code>.
     * @param ifv the current index format version.
     */
protected void mergeAggregatedNodeIndexes(NodeState state, Document doc, IndexFormatVersion ifv) {
    if (indexingConfig != null) {
        AggregateRule[] aggregateRules = indexingConfig.getAggregateRules();
        if (aggregateRules == null) {
            return;
        }
        try {
            ItemStateManager ism = getContext().getItemStateManager();
            for (AggregateRule aggregateRule : aggregateRules) {
                boolean ruleMatched = false;
                // node includes
                NodeState[] aggregates = aggregateRule.getAggregatedNodeStates(state);
                if (aggregates != null) {
                    ruleMatched = true;
                    for (NodeState aggregate : aggregates) {
                        Document aDoc = createDocument(aggregate, getNamespaceMappings(), ifv);
                        // transfer fields to doc if there are any
                        Fieldable[] fulltextFields = aDoc.getFieldables(FieldNames.FULLTEXT);
                        if (fulltextFields != null) {
                            for (Fieldable fulltextField : fulltextFields) {
                                doc.add(fulltextField);
                            }
                            doc.add(new Field(FieldNames.AGGREGATED_NODE_UUID, false, aggregate.getNodeId().toString(), Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS, Field.TermVector.NO));
                        }
                    }
                    // make sure that fulltext fields are aligned properly
                    // first all stored fields, then remaining
                    Fieldable[] fulltextFields = doc.getFieldables(FieldNames.FULLTEXT);
                    doc.removeFields(FieldNames.FULLTEXT);
                    Arrays.sort(fulltextFields, FIELDS_COMPARATOR_STORED);
                    for (Fieldable f : fulltextFields) {
                        doc.add(f);
                    }
                }
                // property includes
                PropertyState[] propStates = aggregateRule.getAggregatedPropertyStates(state);
                if (propStates != null) {
                    ruleMatched = true;
                    for (PropertyState propState : propStates) {
                        String namePrefix = FieldNames.createNamedValue(getNamespaceMappings().translateName(propState.getName()), "");
                        NodeState parent = (NodeState) ism.getItemState(propState.getParentId());
                        Document aDoc = createDocument(parent, getNamespaceMappings(), ifv);
                        try {
                            // find the right fields to transfer
                            Fieldable[] fields = aDoc.getFieldables(FieldNames.PROPERTIES);
                            for (Fieldable field : fields) {
                                // assume properties fields use SingleTokenStream
                                TokenStream tokenStream = field.tokenStreamValue();
                                TermAttribute termAttribute = tokenStream.addAttribute(TermAttribute.class);
                                PayloadAttribute payloadAttribute = tokenStream.addAttribute(PayloadAttribute.class);
                                tokenStream.incrementToken();
                                tokenStream.end();
                                tokenStream.close();
                                String value = new String(termAttribute.termBuffer(), 0, termAttribute.termLength());
                                if (value.startsWith(namePrefix)) {
                                    // extract value
                                    String rawValue = value.substring(namePrefix.length());
                                    // create new named value
                                    Path p = getRelativePath(state, propState);
                                    String path = getNamespaceMappings().translatePath(p);
                                    value = FieldNames.createNamedValue(path, rawValue);
                                    termAttribute.setTermBuffer(value);
                                    PropertyMetaData pdm = PropertyMetaData.fromByteArray(payloadAttribute.getPayload().getData());
                                    doc.add(new Field(field.name(), new SingletonTokenStream(value, pdm.getPropertyType())));
                                    doc.add(new Field(FieldNames.AGGREGATED_NODE_UUID, false, parent.getNodeId().toString(), Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS, Field.TermVector.NO));
                                    if (pdm.getPropertyType() == PropertyType.STRING) {
                                        // add to fulltext index
                                        Field ft = new Field(FieldNames.FULLTEXT, false, rawValue, Field.Store.YES, Field.Index.ANALYZED_NO_NORMS, Field.TermVector.NO);
                                        doc.add(ft);
                                    }
                                }
                            }
                        } finally {
                            Util.disposeDocument(aDoc);
                        }
                    }
                }
                // only use first aggregate definition that matches
                if (ruleMatched) {
                    break;
                }
            }
        } catch (NoSuchItemStateException e) {
            // do not fail if aggregate cannot be created
            log.info("Exception while building indexing aggregate for {}. Node is not available {}.", state.getNodeId(), e.getMessage());
        } catch (Exception e) {
            // do not fail if aggregate cannot be created
            log.warn("Exception while building indexing aggregate for " + state.getNodeId(), e);
        }
    }
}