/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.exoplatform.services.jcr.impl.core.query.lucene;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import javax.jcr.NamespaceException;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Fieldable;
import org.exoplatform.services.document.DocumentReader;
import org.exoplatform.services.document.DocumentReaderService;
import org.exoplatform.services.document.HandlerNotFoundException;
import org.exoplatform.services.jcr.core.ExtendedPropertyType;
import org.exoplatform.services.jcr.core.value.ExtendedValue;
import org.exoplatform.services.jcr.dataflow.ItemDataConsumer;
import org.exoplatform.services.jcr.datamodel.InternalQName;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.datamodel.PropertyData;
import org.exoplatform.services.jcr.datamodel.QPathEntry;
import org.exoplatform.services.jcr.datamodel.ValueData;
import org.exoplatform.services.jcr.impl.Constants;
import org.exoplatform.services.jcr.impl.core.LocationFactory;
import org.exoplatform.services.jcr.impl.core.value.ValueFactoryImpl;
import org.exoplatform.services.jcr.impl.dataflow.AbstractValueData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Creates a lucene <code>Document</code> object from a {@link javax.jcr.Node}.
*/
public class NodeIndexer {
/**
* The logger instance for this class.
*/
private static final Logger log = LoggerFactory.getLogger(NodeIndexer.class);
/**
* The default boost for a lucene field: 1.0f.
*/
protected static final float DEFAULT_BOOST = 1.0f;
/**
* The <code>NodeState</code> of the node to index
*/
protected final NodeData node;
/**
* The persistent item state provider
*/
protected final ItemDataConsumer stateProvider;
/**
* Namespace mappings to use for indexing. This is the internal
* namespace mapping.
*/
protected final NamespaceMappings mappings;
/**
* Name and Path resolver.
*/
protected final LocationFactory resolver;
/**
* Content extractor.
*/
protected final DocumentReaderService extractor;
/**
* The indexing configuration or <code>null</code> if none is available.
*/
protected IndexingConfiguration indexingConfig;
/**
* If set to <code>true</code> the fulltext field is stored and and a term
* vector is created with offset information.
*/
protected boolean supportHighlighting = false;
/**
* Indicates index format for this node indexer.
*/
protected IndexFormatVersion indexFormatVersion = IndexFormatVersion.V1;
/**
* List of {@link FieldNames#FULLTEXT} fields which should not be used in
* an excerpt.
*/
protected List doNotUseInExcerpt = new ArrayList();
private ValueFactoryImpl vFactory;
/**
* Creates a new node indexer.
*
* @param node the node state to index.
* @param stateProvider the persistent item state manager to retrieve properties.
* @param mappings internal namespace mappings.
* @param extractor content extractor
*/
public NodeIndexer(NodeData node, ItemDataConsumer stateProvider, NamespaceMappings mappings,
DocumentReaderService extractor)
{
this.node = node;
this.stateProvider = stateProvider;
this.mappings = mappings;
this.resolver = new LocationFactory(mappings);
this.extractor = extractor;
this.vFactory = new ValueFactoryImpl(this.resolver);
}
/**
* Returns the <code>NodeId</code> of the indexed node.
* @return the <code>NodeId</code> of the indexed node.
*/
public String getNodeId()
{
return node.getIdentifier();
}
/**
* If set to <code>true</code> additional information is stored in the index
* to support highlighting using the rep:excerpt pseudo property.
*
* @param b <code>true</code> to enable highlighting support.
*/
public void setSupportHighlighting(boolean b) {
supportHighlighting = b;
}
/**
* Sets the index format version
*
* @param indexFormatVersion the index format version
*/
public void setIndexFormatVersion(IndexFormatVersion indexFormatVersion) {
this.indexFormatVersion = indexFormatVersion;
}
/**
* Sets the indexing configuration for this node indexer.
*
* @param config the indexing configuration.
*/
public void setIndexingConfiguration(IndexingConfiguration config) {
this.indexingConfig = config;
}
/**
* Creates a lucene Document.
*
* @return the lucene Document with the index layout.
* @throws RepositoryException if an error occurs while reading property
* values from the <code>ItemStateProvider</code>.
*/
protected Document createDoc() throws RepositoryException {
doNotUseInExcerpt.clear();
Document doc = new Document();
doc.setBoost(getNodeBoost());
// special fields
// UUID
doc.add(new Field(
FieldNames.UUID, node.getIdentifier(),
Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
try {
if (node.getParentIdentifier() == null ) {
// root node
doc.add(new Field(FieldNames.PARENT, "", Field.Store.YES,
Field.Index.NOT_ANALYZED_NO_NORMS));
addNodeName(doc, "", "");
} else {
addParentChildRelation(doc, node.getParentIdentifier());
// } else {
// shareable node
// for (Iterator it = node.getSharedSet().iterator(); it.hasNext(); ) {
// addParentChildRelation(doc, (NodeId) it.next());
// }
// mark shareable nodes
// doc.add(new Field(FieldNames.SHAREABLE_NODE, "",
// Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
}
} catch (NamespaceException e) {
// will never happen, because this.mappings will dynamically add
// unknown uri<->prefix mappings
}
for (PropertyData prop : stateProvider.listChildPropertiesData(node))
{
// add each property to the _PROPERTIES_SET for searching
// beginning with V2
if (indexFormatVersion.getVersion()
>= IndexFormatVersion.V2.getVersion()) {
addPropertyName(doc, prop.getQPath().getName());
}
addValues(doc, prop);
}
// now add fields that are not used in excerpt (must go at the end)
for (Iterator it = doNotUseInExcerpt.iterator(); it.hasNext(); ) {
doc.add((Fieldable) it.next());
}
return doc;
}
/**
* Wraps the exception <code>e</code> into a <code>RepositoryException</code>
* and throws the created exception.
*
* @param e the base exception.
*/
private void throwRepositoryException(Exception e)
throws RepositoryException {
String msg = "Error while indexing node: " + node.getIdentifier() + " of "
+ "type: " + node.getPrimaryTypeName().getAsString();
throw new RepositoryException(msg, e);
}
/**
* Adds a {@link FieldNames#MVP} field to <code>doc</code> with the resolved
* <code>name</code> using the internal search index namespace mapping.
*
* @param doc the lucene document.
* @param name the name of the multi-value property.
* @throws RepositoryException
*/
private void addMVPName(Document doc, InternalQName name) throws RepositoryException {
try {
String propName = resolver.createJCRName(name).getAsString();
doc.add(new Field(FieldNames.MVP, propName, Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS, Field.TermVector.NO));
} catch (NamespaceException e) {
// will never happen, prefixes are created dynamically
}
}
/**
* Adds a value to the lucene Document.
*
* @param doc the document.
* @param value the internal value.
* @param name the name of the property.
*/
private void addValues(final Document doc, final PropertyData prop) throws RepositoryException
{
int propType = prop.getType();
String fieldName = resolver.createJCRName(prop.getQPath().getName()).getAsString();
if (propType == PropertyType.BINARY)
{
List<ValueData> data = null;
if (node.getQPath().getName().equals(Constants.JCR_CONTENT))
{
// seems nt:file found, try for nt:resource props
PropertyData pmime =
(PropertyData)stateProvider.getItemData(node, new QPathEntry(Constants.JCR_MIMETYPE, 0));
if (pmime != null)
{
// index if have jcr:mimeType sibling for this binary property only
try
{
DocumentReader dreader =
extractor.getDocumentReader(new String(pmime.getValues().get(0).getAsByteArray()));
// ok, have a reader
// if the prop obtainer from cache it will contains a values,
// otherwise read prop with values from DM
data =
prop.getValues().size() > 0 ? prop.getValues() : ((PropertyData)stateProvider.getItemData(node,
new QPathEntry(Constants.JCR_DATA, 0))).getValues();
if (data == null)
log.warn("null value found at property " + prop.getQPath().getAsString());
// check the jcr:encoding property
PropertyData encProp =
(PropertyData)stateProvider.getItemData(node, new QPathEntry(Constants.JCR_ENCODING, 0));
if (encProp != null)
{
// encoding parameter used
String encoding = new String(encProp.getValues().get(0).getAsByteArray());
for (ValueData pvd : data)
{
InputStream is = null;
try
{
is = pvd.getAsStream();
Reader reader = new StringReader(dreader.getContentAsText(is, encoding));
doc.add(createFulltextField(reader));
}
finally
{
try
{
is.close();
}
catch (Throwable e)
{
}
}
}
}
else
{
// no encoding parameter
for (ValueData pvd : data)
{
InputStream is = null;
try
{
doc.add(createFulltextField(dreader.getContentAsText(is = pvd.getAsStream())));
}
finally
{
try
{
is.close();
}
catch (Throwable e)
{
}
}
}
}
if (data.size() > 1)
{
// real multi-valued
addMVPName(doc, prop.getQPath().getName());
}
}
catch (HandlerNotFoundException e)
{
// no handler - no index
if (log.isDebugEnabled())
log.warn("This content is not readable " + e);
}
catch (IOException e)
{
// no data - no index
if (log.isDebugEnabled())
log.warn("Binary value indexer IO error " + e, e);
}
catch (Exception e)
{
log.error("Binary value indexer error " + e, e);
}
}
}
}
else
{
try
{
// if the prop obtainer from cache it will contains a values, otherwise
// read prop with values from DM
// WARN. DON'T USE access item BY PATH - it's may be a node in case of
// residual definitions in NT
List<ValueData> data =
prop.getValues().size() > 0 ? prop.getValues() : ((PropertyData)stateProvider.getItemData(prop
.getIdentifier())).getValues();
if (data == null)
log.warn("null value found at property " + prop.getQPath().getAsString());
ExtendedValue val = null;
InternalQName name = prop.getQPath().getName();
for (ValueData value : data)
{
val = (ExtendedValue)vFactory.loadValue(((AbstractValueData)value).createTransientCopy(), propType);
switch (propType)
{
case PropertyType.BOOLEAN :
if (isIndexed(name))
{
addBooleanValue(doc, fieldName, Boolean.valueOf(val.getBoolean()));
}
break;
case PropertyType.DATE :
if (isIndexed(name))
{
addCalendarValue(doc, fieldName, val.getDate());
}
break;
case PropertyType.DOUBLE :
if (isIndexed(name))
{
addDoubleValue(doc, fieldName, new Double(val.getDouble()));
}
break;
case PropertyType.LONG :
if (isIndexed(name))
{
addLongValue(doc, fieldName, new Long(val.getLong()));
}
break;
case PropertyType.REFERENCE :
if (isIndexed(name))
{
addReferenceValue(doc, fieldName, val.getString());
}
break;
case PropertyType.PATH :
if (isIndexed(name))
{
addPathValue(doc, fieldName, val.getString());
}
break;
case PropertyType.STRING :
if (isIndexed(name))
{
// never fulltext index jcr:uuid String
if (name.equals(Constants.JCR_UUID))
{
addStringValue(doc, fieldName, val.getString(), false, false, DEFAULT_BOOST);
}
else
{
addStringValue(doc, fieldName, val.getString(), true, isIncludedInNodeIndex(name),
getPropertyBoost(name),useInExcerpt(name));
}
}
break;
case PropertyType.NAME :
// jcr:primaryType and jcr:mixinTypes are required for correct
// node type resolution in queries
if (isIndexed(name) || name.equals(Constants.JCR_PRIMARYTYPE)
|| name.equals(Constants.JCR_MIXINTYPES))
{
addNameValue(doc, fieldName, val.getString());
}
break;
case ExtendedPropertyType.PERMISSION :
break;
default :
throw new IllegalArgumentException("illegal internal value type " + propType);
}
// add length
// add not planed
if (indexFormatVersion.getVersion() >= IndexFormatVersion.V3.getVersion())
{
addLength(doc, fieldName, value, propType);
}
}
if (data.size() > 1)
// real multi-valued
addMVPName(doc, prop.getQPath().getName());
}
catch (RepositoryException e)
{
e.printStackTrace();
throw new RepositoryException("Index of property value error. " + prop.getQPath().getAsString() + ". " + e,
e);
}
}
}
/**
* Adds the property name to the lucene _:PROPERTIES_SET field.
*
* @param doc the document.
* @param name the name of the property.
* @throws RepositoryException
*/
private void addPropertyName(Document doc, InternalQName name) throws RepositoryException {
String fieldName = name.getName();
try {
fieldName = resolver.createJCRName(name).getAsString();
} catch (NamespaceException e) {
// will never happen
}
doc.add(new Field(FieldNames.PROPERTIES_SET, fieldName, Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
}
/**
* Adds the string representation of the boolean value to the document as
* the named field.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
*/
protected void addBooleanValue(Document doc, String fieldName, Object internalValue) {
doc.add(createFieldWithoutNorms(fieldName, internalValue.toString(),
PropertyType.BOOLEAN));
}
/**
* Creates a field of name <code>fieldName</code> with the value of <code>
* internalValue</code>. The created field is indexed without norms.
*
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
* @param propertyType the property type.
*/
protected Field createFieldWithoutNorms(String fieldName,
String internalValue,
int propertyType) {
if (indexFormatVersion.getVersion()
>= IndexFormatVersion.V3.getVersion()) {
Field field = new Field(FieldNames.PROPERTIES,
new SingletonTokenStream(
FieldNames.createNamedValue(fieldName, internalValue),
propertyType)
);
field.setOmitNorms(true);
return field;
} else {
return new Field(FieldNames.PROPERTIES,
FieldNames.createNamedValue(fieldName, internalValue),
Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS,
Field.TermVector.NO);
}
}
/**
* Adds the calendar value to the document as the named field. The calendar
* value is converted to an indexable string value using the
* {@link DateField} class.
*
* @param doc
* The document to which to add the field
* @param fieldName
* The name of the field to add
* @param internalValue
* The value for the field to add to the document.
*/
protected void addCalendarValue(Document doc, String fieldName, Object internalValue) {
Calendar value = (Calendar) internalValue;
long millis = value.getTimeInMillis();
try {
doc.add(createFieldWithoutNorms(fieldName, DateField.timeToString(millis),
PropertyType.DATE));
} catch (IllegalArgumentException e) {
log.warn("'{}' is outside of supported date value range.",
new Date(value.getTimeInMillis()));
}
}
/**
* Adds the double value to the document as the named field. The double
* value is converted to an indexable string value using the
* {@link DoubleField} class.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
*/
protected void addDoubleValue(Document doc, String fieldName, Object internalValue) {
double doubleVal = ((Double) internalValue).doubleValue();
doc.add(createFieldWithoutNorms(fieldName, DoubleField.doubleToString(doubleVal),
PropertyType.DOUBLE));
}
/**
* Adds the long value to the document as the named field. The long
* value is converted to an indexable string value using the {@link LongField}
* class.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
*/
protected void addLongValue(Document doc, String fieldName, Object internalValue) {
long longVal = ((Long) internalValue).longValue();
doc.add(createFieldWithoutNorms(fieldName, LongField.longToString(longVal),
PropertyType.LONG));
}
/**
* Adds the reference value to the document as the named field. The value's
* string representation is added as the reference data. Additionally the
* reference data is stored in the index.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
*/
protected void addReferenceValue(Document doc, String fieldName, Object internalValue) {
String uuid = internalValue.toString();
doc.add(createFieldWithoutNorms(fieldName, uuid,
PropertyType.REFERENCE));
doc.add(new Field(FieldNames.PROPERTIES,
FieldNames.createNamedValue(fieldName, uuid),
Field.Store.YES, Field.Index.NO, Field.TermVector.NO));
}
/**
* Adds the path value to the document as the named field. The path
* value is converted to an indexable string value using the name space
* mappings with which this class has been created.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
*/
protected void addPathValue(Document doc, String fieldName, Object pathString) {
doc.add(createFieldWithoutNorms(fieldName, pathString.toString(),
PropertyType.PATH));
}
/**
* Adds the string value to the document both as the named field and for
* full text indexing.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
* @deprecated Use {@link #addStringValue(Document, String, Object, boolean)
* addStringValue(Document, String, Object, boolean)} instead.
*/
protected void addStringValue(Document doc, String fieldName, Object internalValue) {
addStringValue(doc, fieldName, internalValue, true, true, DEFAULT_BOOST);
}
/**
* Adds the string value to the document both as the named field and
* optionally for full text indexing if <code>tokenized</code> is
* <code>true</code>.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
* @param tokenized If <code>true</code> the string is also tokenized
* and fulltext indexed.
*/
protected void addStringValue(Document doc, String fieldName,
Object internalValue, boolean tokenized) {
addStringValue(doc, fieldName, internalValue, tokenized, true, DEFAULT_BOOST);
}
/**
* Adds the string value to the document both as the named field and
* optionally for full text indexing if <code>tokenized</code> is
* <code>true</code>.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the
* document.
* @param tokenized If <code>true</code> the string is also
* tokenized and fulltext indexed.
* @param includeInNodeIndex If <code>true</code> the string is also
* tokenized and added to the node scope fulltext
* index.
* @param boost the boost value for this string field.
* @deprecated use {@link #addStringValue(Document, String, Object, boolean, boolean, float, boolean)} instead.
*/
protected void addStringValue(Document doc, String fieldName,
Object internalValue, boolean tokenized,
boolean includeInNodeIndex, float boost) {
addStringValue(doc, fieldName, internalValue, tokenized, includeInNodeIndex, boost, true);
}
/**
* Adds the string value to the document both as the named field and
* optionally for full text indexing if <code>tokenized</code> is
* <code>true</code>.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the
* document.
* @param tokenized If <code>true</code> the string is also
* tokenized and fulltext indexed.
* @param includeInNodeIndex If <code>true</code> the string is also
* tokenized and added to the node scope fulltext
* index.
* @param boost the boost value for this string field.
* @param useInExcerpt If <code>true</code> the string may show up in
* an excerpt.
*/
protected void addStringValue(Document doc, String fieldName,
Object internalValue, boolean tokenized,
boolean includeInNodeIndex, float boost,
boolean useInExcerpt) {
// simple String
String stringValue = (String) internalValue;
doc.add(createFieldWithoutNorms(fieldName, stringValue,
PropertyType.STRING));
if (tokenized) {
if (stringValue.length() == 0) {
return;
}
// create fulltext index on property
int idx = fieldName.indexOf(':');
fieldName = fieldName.substring(0, idx + 1)
+ FieldNames.FULLTEXT_PREFIX + fieldName.substring(idx + 1);
Field f = new Field(fieldName, stringValue,
Field.Store.NO,
Field.Index.ANALYZED,
Field.TermVector.NO);
f.setBoost(boost);
doc.add(f);
if (includeInNodeIndex) {
// also create fulltext index of this value
boolean store = supportHighlighting && useInExcerpt;
f = createFulltextField(stringValue, store, supportHighlighting);
if (useInExcerpt) {
doc.add(f);
} else {
doNotUseInExcerpt.add(f);
}
}
}
}
/**
* Adds the name value to the document as the named field. The name
* value is converted to an indexable string treating the internal value
* as a qualified name and mapping the name space using the name space
* mappings with which this class has been created.
*
* @param doc The document to which to add the field
* @param fieldName The name of the field to add
* @param internalValue The value for the field to add to the document.
*/
protected void addNameValue(Document doc, String fieldName, Object internalValue) {
doc.add(createFieldWithoutNorms(fieldName, internalValue.toString(),
PropertyType.NAME));
}
/**
* Creates a fulltext field for the string <code>value</code>.
*
* @param value the string value.
* @return a lucene field.
* @deprecated use {@link #createFulltextField(String, boolean, boolean)} instead.
*/
protected Field createFulltextField(String value) {
return createFulltextField(value, supportHighlighting, supportHighlighting);
}
/**
* Creates a fulltext field for the string <code>value</code>.
*
* @param value the string value.
* @param store if the value of the field should be stored.
* @param withOffsets if a term vector with offsets should be stored.
* @return a lucene field.
*/
protected Field createFulltextField(String value,
boolean store,
boolean withOffsets) {
Field.TermVector tv;
if (withOffsets) {
tv = Field.TermVector.WITH_OFFSETS;
} else {
tv = Field.TermVector.NO;
}
if (store) {
// store field compressed if greater than 16k
Field.Store stored;
if (value.length() > 0x4000) {
stored = Field.Store.COMPRESS;
} else {
stored = Field.Store.YES;
}
return new Field(FieldNames.FULLTEXT, value, stored,
Field.Index.ANALYZED, tv);
} else {
return new Field(FieldNames.FULLTEXT, value,
Field.Store.NO, Field.Index.ANALYZED, tv);
}
}
/**
* Creates a fulltext field for the reader <code>value</code>.
*
* @param value the reader value.
* @return a lucene field.
*/
protected Fieldable createFulltextField(Reader value) {
if (supportHighlighting) {
return new LazyTextExtractorField(FieldNames.FULLTEXT, value, true, true);
} else {
return new LazyTextExtractorField(FieldNames.FULLTEXT, value, false, false);
}
}
/**
* Returns <code>true</code> if the property with the given name should be
* indexed.
*
* @param propertyName name of a property.
* @return <code>true</code> if the property should be fulltext indexed;
* <code>false</code> otherwise.
*/
protected boolean isIndexed(InternalQName propertyName) {
if (indexingConfig == null) {
return true;
} else {
return indexingConfig.isIndexed(node, propertyName);
}
}
/**
* Returns <code>true</code> if the property with the given name should also
* be added to the node scope index.
*
* @param propertyName the name of a property.
* @return <code>true</code> if it should be added to the node scope index;
* <code>false</code> otherwise.
*/
protected boolean isIncludedInNodeIndex(InternalQName propertyName) {
if (indexingConfig == null) {
return true;
} else {
return indexingConfig.isIncludedInNodeScopeIndex(node, propertyName);
}
}
/**
* Returns <code>true</code> if the content of the property with the given
* name should the used to create an excerpt.
*
* @param propertyName the name of a property.
* @return <code>true</code> if it should be used to create an excerpt;
* <code>false</code> otherwise.
*/
protected boolean useInExcerpt(InternalQName propertyName) {
if (indexingConfig == null) {
return true;
} else {
return indexingConfig.useInExcerpt(node, propertyName);
}
}
/**
* Returns the boost value for the given property name.
*
* @param propertyName the name of a property.
* @return the boost value for the given property name.
*/
protected float getPropertyBoost(InternalQName propertyName) {
if (indexingConfig == null) {
return DEFAULT_BOOST;
} else {
return indexingConfig.getPropertyBoost(node, propertyName);
}
}
/**
* @return the boost value for this {@link #node} state.
*/
protected float getNodeBoost() {
if (indexingConfig == null) {
return DEFAULT_BOOST;
} else {
return indexingConfig.getNodeBoost(node);
}
}
/**
* Adds a {@link FieldNames#PROPERTY_LENGTHS} field to <code>document</code>
* with a named length value.
*
* @param doc the lucene document.
* @param propertyName the property name.
* @param value the internal value.
* @param propType
*/
protected void addLength(Document doc,
String propertyName,
ValueData value, int propType) {
long length = Util.getLength(value,propType);
if (length != -1) {
doc.add(new Field(FieldNames.PROPERTY_LENGTHS,
FieldNames.createNamedLength(propertyName, length),
Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
}
}
/**
* Depending on the index format version adds one or two fields to the
* document for the node name.
*
* @param doc the lucene document.
* @param namespaceURI the namespace URI of the node name.
* @param localName the local name of the node.
* @throws RepositoryException
*/
protected void addNodeName(Document doc,
String namespaceURI,
String localName) throws RepositoryException {
String name = mappings.getNamespacePrefixByURI(namespaceURI) + ":" + localName;
doc.add(new Field(FieldNames.LABEL, name, Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
// as of version 3, also index combination of namespace URI and local name
if (indexFormatVersion.getVersion() >= IndexFormatVersion.V3.getVersion()) {
doc.add(new Field(FieldNames.NAMESPACE_URI, namespaceURI, Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
doc.add(new Field(FieldNames.LOCAL_NAME, localName, Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
}
}
/**
* Adds a parent child relation to the given <code>doc</code>.
*
* @param doc the document.
* @param parentId the id of the parent node.
* @throws ItemStateException if the parent node cannot be read.
* @throws RepositoryException if the parent node does not have a child node
* entry for the current node.
*/
protected void addParentChildRelation(Document doc,
String parentId )
throws RepositoryException {
doc.add(new Field(
FieldNames.PARENT, parentId,
Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS, Field.TermVector.NO));
// NodeState parent = (NodeState) stateProvider.getItemState(parentId);
// ChildNodeEntry child = parent.getChildNodeEntry(node.getNodeId());
// if (child == null) {
// // this can only happen when jackrabbit
// // is running in a cluster.
// throw new RepositoryException(
// "Missing child node entry for node with id: "
// + node.getNodeId());
// }
InternalQName name = node.getQPath().getName();
addNodeName(doc, name.getNamespace(), name.getName());
}
}