Java RowIterator.hasNext方法代码示例

import javax.jcr.query.RowIterator; //导入方法依赖的package包/类
public static String formatQueryResults(RowIterator it) throws RepositoryException {
	String results="\n";
	while (it.hasNext()) {
       	Row row = it.nextRow();
       	Value[] values=row.getValues();
       	String s="";
       	for (Value value:values) {
       		if (value!=null)
       			s+="| " + value.getString() + " ";
       		else
       			s+="| null ";
       	}
       	results+=s+"\n";
	}
	return results;
}
 

import javax.jcr.query.RowIterator; //导入方法依赖的package包/类
private List<ArtifactMetadata> runJcrQuery( String repositoryId, String q, Map<String, String> bindings )
    throws MetadataRepositoryException
{
    List<ArtifactMetadata> artifacts;
    if ( repositoryId != null )
    {
        q += " AND ISDESCENDANTNODE(artifact,'/" + getRepositoryContentPath( repositoryId ) + "')";
    }

    log.info( "Running JCR Query: {}", q );

    try
    {
        Query query = getJcrSession().getWorkspace().getQueryManager().createQuery( q, Query.JCR_SQL2 );
        ValueFactory valueFactory = getJcrSession().getValueFactory();
        for ( Entry<String, String> entry : bindings.entrySet() )
        {
            query.bindValue( entry.getKey(), valueFactory.createValue( entry.getValue() ) );
        }
        long start = Calendar.getInstance().getTimeInMillis();
        QueryResult result = query.execute();
        long end = Calendar.getInstance().getTimeInMillis();
        log.info( "JCR Query ran in {} milliseconds: {}", end - start , q );

        artifacts = new ArrayList<>();
        RowIterator rows = result.getRows();
        while ( rows.hasNext() )
        {
            Row row = rows.nextRow();
            Node node = row.getNode( "artifact" );
            artifacts.add( getArtifactFromNode( repositoryId, node ) );
        }
    }
    catch ( RepositoryException e )
    {
        throw new MetadataRepositoryException( e.getMessage(), e );
    }
    return artifacts;
}
 

import javax.jcr.query.RowIterator; //导入方法依赖的package包/类
@Override
public String getDetails() throws ReportException {
  Map<String, String> details = new LinkedHashMap<String, String>();
  details.put("Language", config.getQueryLanguage());
  details.put("Page", Integer.toString(page));
  details.put("Page Size", Integer.toString(config.getPageSize()));
  details.put("Query", statement);

  try {
    final QueryManager queryManager = request.getResourceResolver().adaptTo(Session.class).getWorkspace()
        .getQueryManager();
    final Query query = queryManager.createQuery("explain " + statement, config.getQueryLanguage());
    final QueryResult queryResult = query.execute();

    final RowIterator rows = queryResult.getRows();
    while (rows.hasNext()) {
      final Row row = rows.nextRow();

      String[] cols = queryResult.getColumnNames();
      Value[] values = row.getValues();

      for (int i = 0; i < cols.length; i++) {
        details.put(cols[i], values[i].getString());
      }
    }

  } catch (RepositoryException re) {
    log.error("Exception getting details", re);
    throw new ReportException("Exception getting details", re);
  }
  StringBuilder sb = new StringBuilder();
  for (Entry<String, String> entry : details.entrySet()) {
    sb.append("<dt>" + StringEscapeUtils.escapeHtml(entry.getKey()) + "</dt>");
    sb.append("<dd>" + StringEscapeUtils.escapeHtml(entry.getValue()) + "</dd>");
  }

  return "<dl>" + sb.toString() + "</dl>";
}
 

import javax.jcr.query.RowIterator; //导入方法依赖的package包/类
private List<ArtifactMetadata> runJcrQuery( String repositoryId, String q, Map<String, String> bindings )
    throws MetadataRepositoryException
{
    List<ArtifactMetadata> artifacts;
    if ( repositoryId != null )
    {
        q += " AND ISDESCENDANTNODE(artifact,'/" + getRepositoryContentPath( repositoryId ) + "')";
    }

    log.info( "Running JCR Query: {}", q );

    try
    {
        Query query = getJcrSession().getWorkspace().getQueryManager().createQuery( q, Query.JCR_SQL2 );
        ValueFactory valueFactory = getJcrSession().getValueFactory();
        for ( Entry<String, String> entry : bindings.entrySet() )
        {
            query.bindValue( entry.getKey(), valueFactory.createValue( entry.getValue() ) );
        }
        long start = Calendar.getInstance().getTimeInMillis();
        QueryResult result = query.execute();
        long end = Calendar.getInstance().getTimeInMillis();
        log.info( "JCR Query ran in {} milliseconds: {}", end - start, q );

        artifacts = new ArrayList<>();
        RowIterator rows = result.getRows();
        while ( rows.hasNext() )
        {
            Row row = rows.nextRow();
            Node node = row.getNode( "artifact" );
            artifacts.add( getArtifactFromNode( repositoryId, node ) );
        }
    }
    catch ( RepositoryException e )
    {
        throw new MetadataRepositoryException( e.getMessage(), e );
    }
    log.info( "Artifacts found {}", artifacts.size() );
    for ( ArtifactMetadata meta : artifacts )
    {
        log.info( "Artifact: " + meta.getVersion() + " " + meta.getFacetList() );
    }
    return artifacts;
}
 

import javax.jcr.query.RowIterator; //导入方法依赖的package包/类
private void buildInventory(String webResourceGroupName)
		throws RepositoryException {
	log.info("Creating Inventory for Web Resource Group: "
			+ webResourceGroupName);
	QueryResult result = getWebResourceGroupQueryResults(adminSession,
			webResourceGroupName);
	RowIterator rowIterator = result.getRows();
	while (rowIterator.hasNext()) {
		Row currentRow = rowIterator.nextRow();

		Node currentFileNode = currentRow.getNode("nt:file");
		String currentPath = currentFileNode.getPath();
		String currentExtention = JCRUtils
				.getNodeExtension(currentFileNode);
		if (!(currentExtention.equals("js") || currentExtention
				.equals("css"))) {
			updateWebResourceExtensionInventory(currentPath,
					currentFileNode);
		}

	}

	log.info("Created Inventory for Web Resource Group: "
			+ webResourceGroupName);

	if (log.isDebugEnabled()
			&& MapUtils.isNotEmpty(webResourceExtentionInventoryMap
					.get(webResourceGroupName))) {
		for (Entry<String, List<String>> extentionListEntry : webResourceExtentionInventoryMap
				.get(webResourceGroupName).entrySet()) {
			log.debug("Extension: " + extentionListEntry.getKey()
					+ " Items: " + extentionListEntry.getValue());

		}

	}

	Dictionary<String, Object> properties = new Hashtable<String, Object>();
	properties.put("paths",
			Collections.singletonList(webResourceNamePathMap
					.get(webResourceGroupName)));
	org.osgi.service.event.Event compileEvent = new org.osgi.service.event.Event(
			WebResourceInventoryManager.COMPILE_EVENT, properties);
	eventAdmin.postEvent(compileEvent);

}