HBASE-795 More Table operation in TableHandler for REST interface
git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@685340 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack
parent
76fa8fdeed
commit
0ce4989273
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@ -25,6 +25,8 @@ Release 0.3.0 - Unreleased
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HBASE-812 Compaction needs little better skip algo (Daniel Leffel via Stack)
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HBASE-806 Change HbaseMapWritable and RowResult to implement SortedMap
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instead of Map (Jonathan Gray via Stack)
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HBASE-795 More Table operation in TableHandler for REST interface
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(Sishen Freecity via Stack)
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NEW FEATURES
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HBASE-787 Postgresql to HBase table replication example (Tim Sell via Stack)
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@ -22,7 +22,6 @@ package org.apache.hadoop.hbase.rest;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@ -63,8 +62,10 @@ implements javax.servlet.Servlet {
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private static final Log LOG = LogFactory.getLog(Dispatcher.class.getName());
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private MetaHandler metaHandler;
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private TableHandler tableHandler;
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private RowHandler rowHandler;
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private ScannerHandler scannerHandler;
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private static final String TABLES = "tables";
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private static final String SCANNER = "scanner";
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private static final String ROW = "row";
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@ -85,6 +86,7 @@ implements javax.servlet.Servlet {
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admin = new HBaseAdmin(conf);
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metaHandler = new MetaHandler(conf, admin);
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tableHandler = new TableHandler(conf, admin);
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rowHandler = new RowHandler(conf, admin);
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scannerHandler = new ScannerHandler(conf, admin);
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} catch(Exception e){
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throw new ServletException(e);
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@ -100,9 +102,14 @@ implements javax.servlet.Servlet {
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// the entire instance.
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metaHandler.doGet(request, response, pathSegments);
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} else {
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// otherwise, it must be a GET request suitable for the
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// table handler.
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tableHandler.doGet(request, response, pathSegments);
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if (pathSegments.length >= 2 && pathSegments[0].length() > 0 && pathSegments[1].toLowerCase().equals(ROW)) {
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// if it has table name and row path segments
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rowHandler.doGet(request, response, pathSegments);
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} else {
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// otherwise, it must be a GET request suitable for the
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// table handler.
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tableHandler.doGet(request, response, pathSegments);
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}
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}
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}
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@ -110,15 +117,26 @@ implements javax.servlet.Servlet {
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throws IOException, ServletException {
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String [] pathSegments = getPathSegments(request);
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// there should be at least two path segments (table name and row or scanner)
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if (pathSegments.length >= 2 && pathSegments[0].length() > 0) {
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if (pathSegments[1].toLowerCase().equals(SCANNER) &&
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pathSegments.length >= 2) {
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scannerHandler.doPost(request, response, pathSegments);
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return;
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} else if (pathSegments[1].toLowerCase().equals(ROW) && pathSegments.length >= 3) {
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tableHandler.doPost(request, response, pathSegments);
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return;
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if (pathSegments.length == 1 && pathSegments[0].toLowerCase().equals(TABLES)) {
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tableHandler.doPost(request, response, pathSegments);
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return;
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} else {
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// there should be at least two path segments (table name and row or
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// scanner)
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if (pathSegments.length >= 2 && pathSegments[0].length() > 0) {
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if (pathSegments[1].toLowerCase().equals(SCANNER)
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&& pathSegments.length >= 2) {
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scannerHandler.doPost(request, response, pathSegments);
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return;
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} else if (pathSegments[1].toLowerCase().equals(ROW)
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&& pathSegments.length >= 3) {
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rowHandler.doPost(request, response, pathSegments);
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return;
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} else if (pathSegments[0].toLowerCase().equals(TABLES) && pathSegments[1].length() > 0
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&& (pathSegments[2].toLowerCase().equals(TableHandler.DISABLE) || pathSegments[2].toLowerCase().equals(TableHandler.ENABLE))) {
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tableHandler.doPost(request, response, pathSegments);
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return;
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}
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}
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}
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@ -130,7 +148,13 @@ implements javax.servlet.Servlet {
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protected void doPut(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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// Equate PUT with a POST.
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doPost(request, response);
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String [] pathSegments = getPathSegments(request);
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if (pathSegments.length == 2 && pathSegments[0].toLowerCase().equals(TABLES) && pathSegments[1].length() > 0) {
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tableHandler.doPut(request, response, pathSegments);
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} else {
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doPost(request, response);
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}
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}
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protected void doDelete(HttpServletRequest request,
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@ -138,18 +162,21 @@ implements javax.servlet.Servlet {
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throws IOException, ServletException {
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String [] pathSegments = getPathSegments(request);
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// must be at least two path segments (table name and row or scanner)
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if (pathSegments.length >= 2 && pathSegments[0].length() > 0) {
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// DELETE to a scanner requires at least three path segments
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if (pathSegments.length == 2 && pathSegments[0].toLowerCase().equals(TABLES) && pathSegments[1].length() > 0) {
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tableHandler.doDelete(request, response, pathSegments);
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return;
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} else if (pathSegments.length >= 3 && pathSegments[0].length() > 0) {
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// must be at least two path segments (table name and row or scanner)
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if (pathSegments[1].toLowerCase().equals(SCANNER) &&
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pathSegments.length == 3 && pathSegments[2].length() > 0) {
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// DELETE to a scanner requires at least three path segments
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scannerHandler.doDelete(request, response, pathSegments);
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return;
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} else if (pathSegments[1].toLowerCase().equals(ROW) &&
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pathSegments.length >= 3) {
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tableHandler.doDelete(request, response, pathSegments);
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rowHandler.doDelete(request, response, pathSegments);
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return;
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}
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}
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}
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// if we reach this point, then no handler exists for this request.
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@ -55,6 +55,7 @@ public abstract class GenericHandler {
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protected static final String CONTENT_TYPE = "content-type";
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protected static final String ROW = "row";
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protected static final String REGIONS = "regions";
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protected static final String TABLES = "tables";
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protected final Log LOG = LogFactory.getLog(this.getClass());
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@ -35,7 +35,7 @@ import org.znerd.xmlenc.XMLOutputter;
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/**
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* MetaHandler fields all requests for metadata at the instance level. At the
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* momment this is only GET requests to /.
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* moment this is only GET requests to /.
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*/
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public class MetaHandler extends GenericHandler {
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@ -21,12 +21,6 @@ package org.apache.hadoop.hbase.rest;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.URLDecoder;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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@ -36,14 +30,11 @@ import javax.xml.parsers.DocumentBuilderFactory;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.HColumnDescriptor;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.HTableDescriptor;
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import org.apache.hadoop.hbase.HColumnDescriptor.CompressionType;
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import org.apache.hadoop.hbase.client.HBaseAdmin;
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import org.apache.hadoop.hbase.client.HTable;
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import org.apache.hadoop.hbase.io.BatchUpdate;
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import org.apache.hadoop.hbase.io.Cell;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.io.Text;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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@ -57,7 +48,9 @@ import org.znerd.xmlenc.XMLOutputter;
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* this handler.
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*/
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public class TableHandler extends GenericHandler {
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public static final String DISABLE = "disable";
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public static final String ENABLE = "enable";
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public TableHandler(HBaseConfiguration conf, HBaseAdmin admin)
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throws ServletException{
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super(conf, admin);
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@ -76,10 +69,6 @@ public class TableHandler extends GenericHandler {
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// get a region list
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getTableRegions(table, request, response);
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}
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else if (pathSegments[1].toLowerCase().equals(ROW)) {
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// get a row
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getRow(table, request, response, pathSegments);
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}
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else{
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doNotFound(response, "Not handled in TableHandler");
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}
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@ -89,252 +78,31 @@ public class TableHandler extends GenericHandler {
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public void doPost(HttpServletRequest request, HttpServletResponse response,
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String[] pathSegments)
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throws ServletException, IOException {
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putRow(request, response, pathSegments);
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if (pathSegments.length == 1) {
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// if it's a creation operation
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putTable(request, response, pathSegments);
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} else {
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// if it's a disable operation or enable operation
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String tableName = pathSegments[1];
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if (pathSegments[2].toLowerCase().equals(DISABLE)) {
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admin.disableTable(tableName);
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} else if (pathSegments[2].toLowerCase().equals(ENABLE)) {
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admin.enableTable(tableName);
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}
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response.setStatus(202);
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}
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}
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public void doPut(HttpServletRequest request, HttpServletResponse response,
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String[] pathSegments)
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throws ServletException, IOException {
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doPost(request, response, pathSegments);
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updateTable(request, response, pathSegments);
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}
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public void doDelete(HttpServletRequest request, HttpServletResponse response,
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String[] pathSegments)
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throws ServletException, IOException {
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deleteRow(request, response, pathSegments);
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}
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/*
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* @param request
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* @param response
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* @param pathSegments info path split on the '/' character. First segment
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* is the tablename, second is 'row', and third is the row id.
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* @throws IOException
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* Retrieve a row in one of several output formats.
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*/
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private void getRow(HTable table, final HttpServletRequest request,
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final HttpServletResponse response, final String [] pathSegments)
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throws IOException {
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// pull the row key out of the path
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String row = URLDecoder.decode(pathSegments[2], HConstants.UTF8_ENCODING);
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String timestampStr = null;
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if (pathSegments.length == 4) {
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// A timestamp has been supplied.
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timestampStr = pathSegments[3];
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if (timestampStr.equals("timestamps")) {
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// Not supported in hbase just yet. TODO
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doMethodNotAllowed(response, "Not yet supported by hbase");
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return;
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}
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}
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String[] columns = request.getParameterValues(COLUMN);
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if (columns == null || columns.length == 0) {
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// They want full row returned.
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// Presumption is that this.table has already been focused on target table.
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Map<byte [], Cell> result = timestampStr == null ?
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table.getRow(Bytes.toBytes(row))
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: table.getRow(Bytes.toBytes(row), Long.parseLong(timestampStr));
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if (result == null || result.size() == 0) {
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doNotFound(response, "Row not found!");
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} else {
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switch (ContentType.getContentType(request.getHeader(ACCEPT))) {
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case XML:
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outputRowXml(response, result);
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break;
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case MIME:
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default:
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doNotAcceptable(response, "Unsupported Accept Header Content: " +
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request.getHeader(CONTENT_TYPE));
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}
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}
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} else {
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Map<byte [], Cell> prefiltered_result = table.getRow(Bytes.toBytes(row));
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if (prefiltered_result == null || prefiltered_result.size() == 0) {
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doNotFound(response, "Row not found!");
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} else {
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// create a Set from the columns requested so we can
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// efficiently filter the actual found columns
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Set<String> requested_columns_set = new HashSet<String>();
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for(int i = 0; i < columns.length; i++){
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requested_columns_set.add(columns[i]);
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}
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// output map that will contain the filtered results
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Map<byte [], Cell> m =
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new TreeMap<byte [], Cell>(Bytes.BYTES_COMPARATOR);
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// get an array of all the columns retrieved
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Set<byte []> columns_retrieved = prefiltered_result.keySet();
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// copy over those cells with requested column names
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for(byte [] current_column: columns_retrieved) {
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if (requested_columns_set.contains(Bytes.toString(current_column))) {
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m.put(current_column, prefiltered_result.get(current_column));
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}
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}
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switch (ContentType.getContentType(request.getHeader(ACCEPT))) {
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case XML:
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outputRowXml(response, m);
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break;
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case MIME:
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default:
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doNotAcceptable(response, "Unsupported Accept Header Content: " +
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request.getHeader(CONTENT_TYPE));
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}
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}
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}
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}
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/*
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* Output a row encoded as XML.
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* @param response
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* @param result
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* @throws IOException
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*/
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private void outputRowXml(final HttpServletResponse response,
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final Map<byte [], Cell> result)
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throws IOException {
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setResponseHeader(response, result.size() > 0? 200: 204,
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ContentType.XML.toString());
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XMLOutputter outputter = getXMLOutputter(response.getWriter());
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outputter.startTag(ROW);
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outputColumnsXml(outputter, result);
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outputter.endTag();
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outputter.endDocument();
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outputter.getWriter().close();
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}
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/*
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* @param response
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* @param result
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* Output the results contained in result as a multipart/related response.
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*/
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// private void outputRowMime(final HttpServletResponse response,
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// final Map<Text, Cell> result)
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// throws IOException {
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// response.setStatus(result.size() > 0? 200: 204);
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// // This code ties me to the jetty server.
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// MultiPartResponse mpr = new MultiPartResponse(response);
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// // Content type should look like this for multipart:
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// // Content-type: multipart/related;start="<rootpart*94ebf1e6-7eb5-43f1-85f4-2615fc40c5d6@example.jaxws.sun.com>";type="application/xop+xml";boundary="uuid:94ebf1e6-7eb5-43f1-85f4-2615fc40c5d6";start-info="text/xml"
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// String ct = ContentType.MIME.toString() + ";charset=\"UTF-8\";boundary=\"" +
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// mpr.getBoundary() + "\"";
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// // Setting content type is broken. I'm unable to set parameters on the
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// // content-type; They get stripped. Can't set boundary, etc.
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// // response.addHeader("Content-Type", ct);
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// response.setContentType(ct);
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// outputColumnsMime(mpr, result);
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// mpr.close();
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// }
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/*
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* @param request
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* @param response
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* @param pathSegments
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* Do a put based on the client request.
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*/
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private void putRow(final HttpServletRequest request,
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final HttpServletResponse response, final String [] pathSegments)
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throws IOException, ServletException {
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HTable table = getTable(pathSegments[0]);
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// pull the row key out of the path
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String row = URLDecoder.decode(pathSegments[2], HConstants.UTF8_ENCODING);
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switch(ContentType.getContentType(request.getHeader(CONTENT_TYPE))) {
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case XML:
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putRowXml(table, row, request, response, pathSegments);
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break;
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case MIME:
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doNotAcceptable(response, "Don't support multipart/related yet...");
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break;
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default:
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doNotAcceptable(response, "Unsupported Accept Header Content: " +
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request.getHeader(CONTENT_TYPE));
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}
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}
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/*
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* @param request
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* @param response
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* @param pathSegments
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* Decode supplied XML and do a put to Hbase.
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*/
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private void putRowXml(HTable table, String row,
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final HttpServletRequest request, final HttpServletResponse response,
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final String [] pathSegments)
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throws IOException, ServletException{
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DocumentBuilderFactory docBuilderFactory
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= DocumentBuilderFactory.newInstance();
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//ignore all comments inside the xml file
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docBuilderFactory.setIgnoringComments(true);
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DocumentBuilder builder = null;
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Document doc = null;
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String timestamp = pathSegments.length >= 4 ? pathSegments[3] : null;
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try{
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builder = docBuilderFactory.newDocumentBuilder();
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doc = builder.parse(request.getInputStream());
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} catch (javax.xml.parsers.ParserConfigurationException e) {
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throw new ServletException(e);
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} catch (org.xml.sax.SAXException e){
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throw new ServletException(e);
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}
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BatchUpdate batchUpdate;
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try{
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// start an update
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batchUpdate = timestamp == null ?
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new BatchUpdate(row) : new BatchUpdate(row, Long.parseLong(timestamp));
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// set the columns from the xml
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NodeList columns = doc.getElementsByTagName("column");
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for(int i = 0; i < columns.getLength(); i++){
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// get the current column element we're working on
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Element column = (Element)columns.item(i);
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// extract the name and value children
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Node name_node = column.getElementsByTagName("name").item(0);
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String name = name_node.getFirstChild().getNodeValue();
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Node value_node = column.getElementsByTagName("value").item(0);
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byte[] value = new byte[0];
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// for some reason there's no value here. probably indicates that
|
||||
// the consumer passed a null as the cell value.
|
||||
if(value_node.getFirstChild() != null &&
|
||||
value_node.getFirstChild().getNodeValue() != null){
|
||||
// decode the base64'd value
|
||||
value = org.apache.hadoop.hbase.util.Base64.decode(
|
||||
value_node.getFirstChild().getNodeValue());
|
||||
}
|
||||
|
||||
// put the value
|
||||
batchUpdate.put(name, value);
|
||||
}
|
||||
|
||||
// commit the update
|
||||
table.commit(batchUpdate);
|
||||
|
||||
// respond with a 200
|
||||
response.setStatus(200);
|
||||
}
|
||||
catch(Exception e){
|
||||
throw new ServletException(e);
|
||||
}
|
||||
deleteTable(request, response, pathSegments);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -438,41 +206,158 @@ public class TableHandler extends GenericHandler {
|
|||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* @param request
|
||||
* @param response
|
||||
* @param pathSegments
|
||||
* Delete some or all cells for a row.
|
||||
*/
|
||||
private void deleteRow(final HttpServletRequest request,
|
||||
final HttpServletResponse response, final String [] pathSegments)
|
||||
private void putTable(HttpServletRequest request,
|
||||
HttpServletResponse response, String[] pathSegments)
|
||||
throws IOException, ServletException {
|
||||
// grab the table we're operating on
|
||||
HTable table = getTable(getTableName(pathSegments));
|
||||
|
||||
// pull the row key out of the path
|
||||
String row = URLDecoder.decode(pathSegments[2], HConstants.UTF8_ENCODING);
|
||||
|
||||
String[] columns = request.getParameterValues(COLUMN);
|
||||
|
||||
// hack - we'll actually test for the presence of the timestamp parameter
|
||||
// eventually
|
||||
boolean timestamp_present = false;
|
||||
if(timestamp_present){ // do a timestamp-aware delete
|
||||
doMethodNotAllowed(response, "DELETE with a timestamp not implemented!");
|
||||
}
|
||||
else{ // ignore timestamps
|
||||
if(columns == null || columns.length == 0){
|
||||
// retrieve all the columns
|
||||
doMethodNotAllowed(response,
|
||||
"DELETE without specified columns not implemented!");
|
||||
} else{
|
||||
// delete each column in turn
|
||||
for(int i = 0; i < columns.length; i++){
|
||||
table.deleteAll(row, columns[i]);
|
||||
}
|
||||
}
|
||||
response.setStatus(202);
|
||||
switch(ContentType.getContentType(request.getHeader(CONTENT_TYPE))) {
|
||||
case XML:
|
||||
putTableXml(request, response, pathSegments);
|
||||
break;
|
||||
case MIME:
|
||||
doNotAcceptable(response, "Don't support multipart/related yet...");
|
||||
break;
|
||||
default:
|
||||
doNotAcceptable(response, "Unsupported Accept Header Content: " +
|
||||
request.getHeader(CONTENT_TYPE));
|
||||
}
|
||||
}
|
||||
|
||||
private void updateTable(HttpServletRequest request,
|
||||
HttpServletResponse response, String[] pathSegments)
|
||||
throws IOException, ServletException {
|
||||
switch(ContentType.getContentType(request.getHeader(CONTENT_TYPE))) {
|
||||
case XML:
|
||||
updateTableXml(request, response, pathSegments);
|
||||
break;
|
||||
case MIME:
|
||||
doNotAcceptable(response, "Don't support multipart/related yet...");
|
||||
break;
|
||||
default:
|
||||
doNotAcceptable(response, "Unsupported Accept Header Content: " +
|
||||
request.getHeader(CONTENT_TYPE));
|
||||
}
|
||||
}
|
||||
|
||||
private void deleteTable(HttpServletRequest request,
|
||||
HttpServletResponse response, String[] pathSegments) throws IOException {
|
||||
String tableName = pathSegments[1];
|
||||
admin.deleteTable(tableName);
|
||||
response.setStatus(202);
|
||||
}
|
||||
|
||||
private void putTableXml(HttpServletRequest
|
||||
request, HttpServletResponse response, String[] pathSegments)
|
||||
throws IOException, ServletException {
|
||||
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory
|
||||
.newInstance();
|
||||
// ignore all comments inside the xml file
|
||||
docBuilderFactory.setIgnoringComments(true);
|
||||
|
||||
DocumentBuilder builder = null;
|
||||
Document doc = null;
|
||||
|
||||
try {
|
||||
builder = docBuilderFactory.newDocumentBuilder();
|
||||
doc = builder.parse(request.getInputStream());
|
||||
} catch (javax.xml.parsers.ParserConfigurationException e) {
|
||||
throw new ServletException(e);
|
||||
} catch (org.xml.sax.SAXException e) {
|
||||
throw new ServletException(e);
|
||||
}
|
||||
|
||||
try {
|
||||
Node name_node = doc.getElementsByTagName("name").item(0);
|
||||
String table_name = name_node.getFirstChild().getNodeValue();
|
||||
|
||||
HTableDescriptor htd = new HTableDescriptor(table_name);
|
||||
NodeList columnfamily_nodes = doc.getElementsByTagName("columnfamily");
|
||||
for (int i = 0; i < columnfamily_nodes.getLength(); i++) {
|
||||
Element columnfamily = (Element)columnfamily_nodes.item(i);
|
||||
htd.addFamily(putColumnFamilyXml(columnfamily));
|
||||
}
|
||||
admin.createTable(htd);
|
||||
} catch (Exception e) {
|
||||
throw new ServletException(e);
|
||||
}
|
||||
}
|
||||
|
||||
private void updateTableXml(HttpServletRequest request,
|
||||
HttpServletResponse response, String[] pathSegments) throws IOException,
|
||||
ServletException {
|
||||
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory
|
||||
.newInstance();
|
||||
// ignore all comments inside the xml file
|
||||
docBuilderFactory.setIgnoringComments(true);
|
||||
|
||||
DocumentBuilder builder = null;
|
||||
Document doc = null;
|
||||
|
||||
try {
|
||||
builder = docBuilderFactory.newDocumentBuilder();
|
||||
doc = builder.parse(request.getInputStream());
|
||||
} catch (javax.xml.parsers.ParserConfigurationException e) {
|
||||
throw new ServletException(e);
|
||||
} catch (org.xml.sax.SAXException e) {
|
||||
throw new ServletException(e);
|
||||
}
|
||||
|
||||
try {
|
||||
String tableName = pathSegments[1];
|
||||
|
||||
NodeList columnfamily_nodes = doc.getElementsByTagName("columnfamily");
|
||||
for (int i = 0; i < columnfamily_nodes.getLength(); i++) {
|
||||
Element columnfamily = (Element) columnfamily_nodes.item(i);
|
||||
HColumnDescriptor hcd = putColumnFamilyXml(columnfamily);
|
||||
admin.modifyColumn(tableName, hcd.getNameAsString(), hcd);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
throw new ServletException(e);
|
||||
}
|
||||
}
|
||||
|
||||
private HColumnDescriptor putColumnFamilyXml(Element columnfamily) {
|
||||
Node name_node = columnfamily.getElementsByTagName("name").item(0);
|
||||
String colname = name_node.getFirstChild().getNodeValue();
|
||||
|
||||
if (colname.indexOf(":") == -1) {
|
||||
colname += ":";
|
||||
}
|
||||
|
||||
int max_versions = HColumnDescriptor.DEFAULT_VERSIONS;
|
||||
NodeList max_versions_list = columnfamily.getElementsByTagName("max-versions");
|
||||
if (max_versions_list.getLength() > 0) {
|
||||
max_versions = Integer.parseInt(max_versions_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
CompressionType compression = HColumnDescriptor.DEFAULT_COMPRESSION;
|
||||
NodeList compression_list = columnfamily.getElementsByTagName("compression");
|
||||
if (compression_list.getLength() > 0) {
|
||||
compression = CompressionType.valueOf(compression_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
boolean in_memory = HColumnDescriptor.DEFAULT_IN_MEMORY;
|
||||
NodeList in_memory_list = columnfamily.getElementsByTagName("in-memory");
|
||||
if (in_memory_list.getLength() > 0) {
|
||||
in_memory = Boolean.valueOf(in_memory_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
boolean block_cache = HColumnDescriptor.DEFAULT_BLOCKCACHE;
|
||||
NodeList block_cache_list = columnfamily.getElementsByTagName("block-cache");
|
||||
if (block_cache_list.getLength() > 0) {
|
||||
block_cache = Boolean.valueOf(block_cache_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
int max_cell_size = HColumnDescriptor.DEFAULT_LENGTH;
|
||||
NodeList max_cell_size_list = columnfamily.getElementsByTagName("max-cell-size");
|
||||
if (max_cell_size_list.getLength() > 0) {
|
||||
max_cell_size = Integer.valueOf(max_cell_size_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
int ttl = HColumnDescriptor.DEFAULT_TTL;
|
||||
NodeList ttl_list = columnfamily.getElementsByTagName("time-to-live");
|
||||
if (ttl_list.getLength() > 0) {
|
||||
ttl = Integer.valueOf(ttl_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
boolean bloomfilter = HColumnDescriptor.DEFAULT_BLOOMFILTER;
|
||||
NodeList bloomfilter_list = columnfamily.getElementsByTagName("bloomfilter");
|
||||
if (bloomfilter_list.getLength() > 0) {
|
||||
bloomfilter = Boolean.valueOf(bloomfilter_list.item(0).getFirstChild().getNodeValue());
|
||||
}
|
||||
return new HColumnDescriptor(Bytes.toBytes(colname), max_versions, compression, in_memory, block_cache, max_cell_size, ttl, bloomfilter);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue