http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aecb1286/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.Visitor.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.Visitor.html b/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.Visitor.html index e65748d..91a0ffa 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.Visitor.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.Visitor.html @@ -372,1874 +372,1873 @@ <span class="sourceLineNo">364</span> * is stored in the name, so the returned object should only be used for the fields<a name="line.364"></a> <span class="sourceLineNo">365</span> * in the regionName.<a name="line.365"></a> <span class="sourceLineNo">366</span> */<a name="line.366"></a> -<span class="sourceLineNo">367</span> protected static HRegionInfo parseRegionInfoFromRegionName(byte[] regionName)<a name="line.367"></a> -<span class="sourceLineNo">368</span> throws IOException {<a name="line.368"></a> -<span class="sourceLineNo">369</span> byte[][] fields = HRegionInfo.parseRegionName(regionName);<a name="line.369"></a> -<span class="sourceLineNo">370</span> long regionId = Long.parseLong(Bytes.toString(fields[2]));<a name="line.370"></a> -<span class="sourceLineNo">371</span> int replicaId = fields.length > 3 ? Integer.parseInt(Bytes.toString(fields[3]), 16) : 0;<a name="line.371"></a> -<span class="sourceLineNo">372</span> return new HRegionInfo(<a name="line.372"></a> -<span class="sourceLineNo">373</span> TableName.valueOf(fields[0]), fields[1], fields[1], false, regionId, replicaId);<a name="line.373"></a> -<span class="sourceLineNo">374</span> }<a name="line.374"></a> -<span class="sourceLineNo">375</span><a name="line.375"></a> -<span class="sourceLineNo">376</span> /**<a name="line.376"></a> -<span class="sourceLineNo">377</span> * Gets the result in hbase:meta for the specified region.<a name="line.377"></a> -<span class="sourceLineNo">378</span> * @param connection connection we're using<a name="line.378"></a> -<span class="sourceLineNo">379</span> * @param regionName region we're looking for<a name="line.379"></a> -<span class="sourceLineNo">380</span> * @return result of the specified region<a name="line.380"></a> -<span class="sourceLineNo">381</span> * @throws IOException<a name="line.381"></a> -<span class="sourceLineNo">382</span> */<a name="line.382"></a> -<span class="sourceLineNo">383</span> public static Result getRegionResult(Connection connection,<a name="line.383"></a> -<span class="sourceLineNo">384</span> byte[] regionName) throws IOException {<a name="line.384"></a> -<span class="sourceLineNo">385</span> Get get = new Get(regionName);<a name="line.385"></a> -<span class="sourceLineNo">386</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.386"></a> -<span class="sourceLineNo">387</span> return get(getMetaHTable(connection), get);<a name="line.387"></a> -<span class="sourceLineNo">388</span> }<a name="line.388"></a> -<span class="sourceLineNo">389</span><a name="line.389"></a> -<span class="sourceLineNo">390</span> /**<a name="line.390"></a> -<span class="sourceLineNo">391</span> * Get regions from the merge qualifier of the specified merged region<a name="line.391"></a> -<span class="sourceLineNo">392</span> * @return null if it doesn't contain merge qualifier, else two merge regions<a name="line.392"></a> -<span class="sourceLineNo">393</span> * @throws IOException<a name="line.393"></a> -<span class="sourceLineNo">394</span> */<a name="line.394"></a> -<span class="sourceLineNo">395</span> @Nullable<a name="line.395"></a> -<span class="sourceLineNo">396</span> public static Pair<HRegionInfo, HRegionInfo> getRegionsFromMergeQualifier(<a name="line.396"></a> -<span class="sourceLineNo">397</span> Connection connection, byte[] regionName) throws IOException {<a name="line.397"></a> -<span class="sourceLineNo">398</span> Result result = getRegionResult(connection, regionName);<a name="line.398"></a> -<span class="sourceLineNo">399</span> HRegionInfo mergeA = getHRegionInfo(result, HConstants.MERGEA_QUALIFIER);<a name="line.399"></a> -<span class="sourceLineNo">400</span> HRegionInfo mergeB = getHRegionInfo(result, HConstants.MERGEB_QUALIFIER);<a name="line.400"></a> -<span class="sourceLineNo">401</span> if (mergeA == null && mergeB == null) {<a name="line.401"></a> -<span class="sourceLineNo">402</span> return null;<a name="line.402"></a> -<span class="sourceLineNo">403</span> }<a name="line.403"></a> -<span class="sourceLineNo">404</span> return new Pair<>(mergeA, mergeB);<a name="line.404"></a> -<span class="sourceLineNo">405</span> }<a name="line.405"></a> -<span class="sourceLineNo">406</span><a name="line.406"></a> -<span class="sourceLineNo">407</span> /**<a name="line.407"></a> -<span class="sourceLineNo">408</span> * Checks if the specified table exists. Looks at the hbase:meta table hosted on<a name="line.408"></a> -<span class="sourceLineNo">409</span> * the specified server.<a name="line.409"></a> -<span class="sourceLineNo">410</span> * @param connection connection we're using<a name="line.410"></a> -<span class="sourceLineNo">411</span> * @param tableName table to check<a name="line.411"></a> -<span class="sourceLineNo">412</span> * @return true if the table exists in meta, false if not<a name="line.412"></a> -<span class="sourceLineNo">413</span> * @throws IOException<a name="line.413"></a> -<span class="sourceLineNo">414</span> */<a name="line.414"></a> -<span class="sourceLineNo">415</span> public static boolean tableExists(Connection connection,<a name="line.415"></a> -<span class="sourceLineNo">416</span> final TableName tableName)<a name="line.416"></a> -<span class="sourceLineNo">417</span> throws IOException {<a name="line.417"></a> -<span class="sourceLineNo">418</span> // Catalog tables always exist.<a name="line.418"></a> -<span class="sourceLineNo">419</span> return tableName.equals(TableName.META_TABLE_NAME)<a name="line.419"></a> -<span class="sourceLineNo">420</span> || getTableState(connection, tableName) != null;<a name="line.420"></a> -<span class="sourceLineNo">421</span> }<a name="line.421"></a> -<span class="sourceLineNo">422</span><a name="line.422"></a> -<span class="sourceLineNo">423</span> /**<a name="line.423"></a> -<span class="sourceLineNo">424</span> * Lists all of the regions currently in META.<a name="line.424"></a> -<span class="sourceLineNo">425</span> *<a name="line.425"></a> -<span class="sourceLineNo">426</span> * @param connection to connect with<a name="line.426"></a> -<span class="sourceLineNo">427</span> * @param excludeOfflinedSplitParents False if we are to include offlined/splitparents regions,<a name="line.427"></a> -<span class="sourceLineNo">428</span> * true and we'll leave out offlined regions from returned list<a name="line.428"></a> -<span class="sourceLineNo">429</span> * @return List of all user-space regions.<a name="line.429"></a> -<span class="sourceLineNo">430</span> * @throws IOException<a name="line.430"></a> -<span class="sourceLineNo">431</span> */<a name="line.431"></a> -<span class="sourceLineNo">432</span> @VisibleForTesting<a name="line.432"></a> -<span class="sourceLineNo">433</span> public static List<HRegionInfo> getAllRegions(Connection connection,<a name="line.433"></a> -<span class="sourceLineNo">434</span> boolean excludeOfflinedSplitParents)<a name="line.434"></a> -<span class="sourceLineNo">435</span> throws IOException {<a name="line.435"></a> -<span class="sourceLineNo">436</span> List<Pair<HRegionInfo, ServerName>> result;<a name="line.436"></a> -<span class="sourceLineNo">437</span><a name="line.437"></a> -<span class="sourceLineNo">438</span> result = getTableRegionsAndLocations(connection, null,<a name="line.438"></a> -<span class="sourceLineNo">439</span> excludeOfflinedSplitParents);<a name="line.439"></a> -<span class="sourceLineNo">440</span><a name="line.440"></a> -<span class="sourceLineNo">441</span> return getListOfHRegionInfos(result);<a name="line.441"></a> -<span class="sourceLineNo">442</span><a name="line.442"></a> -<span class="sourceLineNo">443</span> }<a name="line.443"></a> -<span class="sourceLineNo">444</span><a name="line.444"></a> -<span class="sourceLineNo">445</span> /**<a name="line.445"></a> -<span class="sourceLineNo">446</span> * Gets all of the regions of the specified table. 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2] = HConstants.DELIMITER;<a name="line.508"></a> -<span class="sourceLineNo">509</span> startRow[startRow.length - 1] = HConstants.DELIMITER;<a name="line.509"></a> -<span class="sourceLineNo">510</span> return startRow;<a name="line.510"></a> -<span class="sourceLineNo">511</span> case ALL:<a name="line.511"></a> -<span class="sourceLineNo">512</span> case TABLE:<a name="line.512"></a> -<span class="sourceLineNo">513</span> default:<a name="line.513"></a> -<span class="sourceLineNo">514</span> return tableName.getName();<a name="line.514"></a> -<span class="sourceLineNo">515</span> }<a name="line.515"></a> -<span class="sourceLineNo">516</span> }<a name="line.516"></a> -<span class="sourceLineNo">517</span><a name="line.517"></a> -<span class="sourceLineNo">518</span> /**<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @param tableName table we're working with<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @return stop row for scanning META according to query type<a name="line.520"></a> -<span class="sourceLineNo">521</span> */<a name="line.521"></a> -<span class="sourceLineNo">522</span> public static byte[] getTableStopRowForMeta(TableName tableName, QueryType type) {<a name="line.522"></a> -<span class="sourceLineNo">523</span> if (tableName == null) {<a name="line.523"></a> -<span class="sourceLineNo">524</span> return null;<a name="line.524"></a> -<span class="sourceLineNo">525</span> }<a name="line.525"></a> -<span class="sourceLineNo">526</span> final byte[] stopRow;<a name="line.526"></a> -<span class="sourceLineNo">527</span> switch (type) {<a name="line.527"></a> -<span class="sourceLineNo">528</span> case REGION:<a name="line.528"></a> -<span class="sourceLineNo">529</span> stopRow = new byte[tableName.getName().length + 3];<a name="line.529"></a> -<span class="sourceLineNo">530</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.530"></a> -<span class="sourceLineNo">531</span> stopRow[stopRow.length - 3] = ' ';<a name="line.531"></a> -<span class="sourceLineNo">532</span> stopRow[stopRow.length - 2] = HConstants.DELIMITER;<a name="line.532"></a> -<span class="sourceLineNo">533</span> stopRow[stopRow.length - 1] = HConstants.DELIMITER;<a name="line.533"></a> -<span class="sourceLineNo">534</span> break;<a name="line.534"></a> -<span class="sourceLineNo">535</span> case ALL:<a name="line.535"></a> -<span class="sourceLineNo">536</span> case TABLE:<a name="line.536"></a> -<span class="sourceLineNo">537</span> default:<a name="line.537"></a> -<span class="sourceLineNo">538</span> stopRow = new byte[tableName.getName().length + 1];<a name="line.538"></a> -<span class="sourceLineNo">539</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.539"></a> -<span class="sourceLineNo">540</span> stopRow[stopRow.length - 1] = ' ';<a name="line.540"></a> -<span class="sourceLineNo">541</span> break;<a name="line.541"></a> -<span class="sourceLineNo">542</span> }<a name="line.542"></a> -<span class="sourceLineNo">543</span> return stopRow;<a name="line.543"></a> -<span class="sourceLineNo">544</span> }<a name="line.544"></a> -<span class="sourceLineNo">545</span><a name="line.545"></a> -<span class="sourceLineNo">546</span> /**<a name="line.546"></a> -<span class="sourceLineNo">547</span> * This method creates a Scan object that will only scan catalog rows that<a name="line.547"></a> -<span class="sourceLineNo">548</span> * belong to the specified table. 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class="sourceLineNo">578</span> scan.setLimit(rowUpperLimit);<a name="line.578"></a> -<span class="sourceLineNo">579</span> scan.setReadType(Scan.ReadType.PREAD);<a name="line.579"></a> -<span class="sourceLineNo">580</span> }<a name="line.580"></a> -<span class="sourceLineNo">581</span> scan.setCaching(scannerCaching);<a name="line.581"></a> -<span class="sourceLineNo">582</span> return scan;<a name="line.582"></a> -<span class="sourceLineNo">583</span> }<a name="line.583"></a> -<span class="sourceLineNo">584</span> /**<a name="line.584"></a> -<span class="sourceLineNo">585</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.585"></a> -<span class="sourceLineNo">586</span> * @param connection connection we're using<a name="line.586"></a> -<span class="sourceLineNo">587</span> * @param tableName table we're looking for<a name="line.587"></a> -<span class="sourceLineNo">588</span> * @return Return list of regioninfos and server.<a name="line.588"></a> -<span class="sourceLineNo">589</span> * @throws IOException<a name="line.589"></a> -<span class="sourceLineNo">590</span> */<a name="line.590"></a> -<span class="sourceLineNo">591</span> public static List<Pair<HRegionInfo, ServerName>><a name="line.591"></a> -<span class="sourceLineNo">592</span> getTableRegionsAndLocations(Connection connection, TableName tableName)<a name="line.592"></a> -<span class="sourceLineNo">593</span> throws IOException {<a name="line.593"></a> -<span class="sourceLineNo">594</span> return getTableRegionsAndLocations(connection, tableName, true);<a name="line.594"></a> -<span class="sourceLineNo">595</span> }<a name="line.595"></a> -<span class="sourceLineNo">596</span><a name="line.596"></a> -<span class="sourceLineNo">597</span> /**<a name="line.597"></a> -<span class="sourceLineNo">598</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.598"></a> -<span class="sourceLineNo">599</span> * @param connection connection we're using<a name="line.599"></a> -<span class="sourceLineNo">600</span> * @param tableName table to work with, can be null for getting all regions<a name="line.600"></a> -<span class="sourceLineNo">601</span> * @param excludeOfflinedSplitParents don't return split parents<a name="line.601"></a> -<span class="sourceLineNo">602</span> * @return Return list of regioninfos and server addresses.<a name="line.602"></a> -<span class="sourceLineNo">603</span> * @throws IOException<a name="line.603"></a> -<span class="sourceLineNo">604</span> */<a name="line.604"></a> -<span class="sourceLineNo">605</span> public static List<Pair<HRegionInfo, ServerName>> getTableRegionsAndLocations(<a name="line.605"></a> -<span class="sourceLineNo">606</span> Connection connection, @Nullable final TableName tableName,<a name="line.606"></a> -<span class="sourceLineNo">607</span> final boolean excludeOfflinedSplitParents) throws IOException {<a 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class="sourceLineNo">638</span> }<a name="line.638"></a> -<span class="sourceLineNo">639</span> }<a name="line.639"></a> -<span class="sourceLineNo">640</span> }<a name="line.640"></a> -<span class="sourceLineNo">641</span> };<a name="line.641"></a> -<span class="sourceLineNo">642</span> scanMeta(connection,<a name="line.642"></a> -<span class="sourceLineNo">643</span> getTableStartRowForMeta(tableName, QueryType.REGION),<a name="line.643"></a> -<span class="sourceLineNo">644</span> getTableStopRowForMeta(tableName, QueryType.REGION),<a name="line.644"></a> -<span class="sourceLineNo">645</span> QueryType.REGION, visitor);<a name="line.645"></a> -<span class="sourceLineNo">646</span> return visitor.getResults();<a name="line.646"></a> -<span class="sourceLineNo">647</span> }<a name="line.647"></a> -<span class="sourceLineNo">648</span><a name="line.648"></a> -<span class="sourceLineNo">649</span> /**<a name="line.649"></a> -<span class="sourceLineNo">650</span> * @param connection 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IOException {<a name="line.367"></a> +<span class="sourceLineNo">368</span> byte[][] fields = HRegionInfo.parseRegionName(regionName);<a name="line.368"></a> +<span class="sourceLineNo">369</span> long regionId = Long.parseLong(Bytes.toString(fields[2]));<a name="line.369"></a> +<span class="sourceLineNo">370</span> int replicaId = fields.length > 3 ? Integer.parseInt(Bytes.toString(fields[3]), 16) : 0;<a name="line.370"></a> +<span class="sourceLineNo">371</span> return new HRegionInfo(TableName.valueOf(fields[0]), fields[1], fields[1], false, regionId,<a name="line.371"></a> +<span class="sourceLineNo">372</span> replicaId);<a name="line.372"></a> +<span class="sourceLineNo">373</span> }<a name="line.373"></a> +<span class="sourceLineNo">374</span><a name="line.374"></a> +<span class="sourceLineNo">375</span> /**<a name="line.375"></a> +<span class="sourceLineNo">376</span> * Gets the result in hbase:meta for the specified region.<a name="line.376"></a> +<span class="sourceLineNo">377</span> * @param connection connection we're using<a name="line.377"></a> +<span class="sourceLineNo">378</span> * @param regionName region we're looking for<a name="line.378"></a> +<span class="sourceLineNo">379</span> * @return result of the specified region<a name="line.379"></a> +<span class="sourceLineNo">380</span> * @throws IOException<a name="line.380"></a> +<span class="sourceLineNo">381</span> */<a name="line.381"></a> +<span class="sourceLineNo">382</span> public static Result getRegionResult(Connection connection,<a name="line.382"></a> +<span class="sourceLineNo">383</span> byte[] regionName) throws IOException {<a name="line.383"></a> +<span class="sourceLineNo">384</span> Get get = new Get(regionName);<a name="line.384"></a> +<span class="sourceLineNo">385</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.385"></a> +<span class="sourceLineNo">386</span> return get(getMetaHTable(connection), get);<a name="line.386"></a> +<span class="sourceLineNo">387</span> }<a name="line.387"></a> +<span class="sourceLineNo">388</span><a name="line.388"></a> +<span class="sourceLineNo">389</span> /**<a name="line.389"></a> +<span class="sourceLineNo">390</span> * Get regions from the merge qualifier of the specified merged region<a name="line.390"></a> +<span class="sourceLineNo">391</span> * @return null if it doesn't contain merge qualifier, else two merge regions<a name="line.391"></a> +<span class="sourceLineNo">392</span> * @throws IOException<a name="line.392"></a> +<span class="sourceLineNo">393</span> */<a name="line.393"></a> +<span class="sourceLineNo">394</span> @Nullable<a name="line.394"></a> +<span class="sourceLineNo">395</span> public static Pair<HRegionInfo, HRegionInfo> getRegionsFromMergeQualifier(<a name="line.395"></a> +<span class="sourceLineNo">396</span> Connection connection, byte[] regionName) throws IOException {<a name="line.396"></a> +<span class="sourceLineNo">397</span> Result result = getRegionResult(connection, regionName);<a name="line.397"></a> +<span class="sourceLineNo">398</span> HRegionInfo mergeA = getHRegionInfo(result, HConstants.MERGEA_QUALIFIER);<a name="line.398"></a> +<span class="sourceLineNo">399</span> HRegionInfo mergeB = getHRegionInfo(result, HConstants.MERGEB_QUALIFIER);<a name="line.399"></a> +<span class="sourceLineNo">400</span> if (mergeA == null && mergeB == null) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> return null;<a name="line.401"></a> +<span class="sourceLineNo">402</span> }<a name="line.402"></a> +<span class="sourceLineNo">403</span> return new Pair<>(mergeA, mergeB);<a name="line.403"></a> +<span class="sourceLineNo">404</span> }<a name="line.404"></a> +<span class="sourceLineNo">405</span><a name="line.405"></a> +<span class="sourceLineNo">406</span> /**<a name="line.406"></a> +<span class="sourceLineNo">407</span> * Checks if the specified table exists. Looks at the hbase:meta table hosted on<a name="line.407"></a> +<span class="sourceLineNo">408</span> * the specified server.<a name="line.408"></a> +<span class="sourceLineNo">409</span> * @param connection connection we're using<a name="line.409"></a> +<span class="sourceLineNo">410</span> * @param tableName table to check<a name="line.410"></a> +<span class="sourceLineNo">411</span> * @return true if the table exists in meta, false if not<a name="line.411"></a> +<span class="sourceLineNo">412</span> * @throws IOException<a name="line.412"></a> +<span class="sourceLineNo">413</span> */<a name="line.413"></a> +<span class="sourceLineNo">414</span> public static boolean tableExists(Connection connection,<a name="line.414"></a> +<span class="sourceLineNo">415</span> final TableName tableName)<a name="line.415"></a> +<span class="sourceLineNo">416</span> throws IOException {<a name="line.416"></a> +<span class="sourceLineNo">417</span> // Catalog tables always exist.<a name="line.417"></a> +<span class="sourceLineNo">418</span> return tableName.equals(TableName.META_TABLE_NAME)<a name="line.418"></a> +<span class="sourceLineNo">419</span> || getTableState(connection, tableName) != null;<a name="line.419"></a> +<span class="sourceLineNo">420</span> }<a name="line.420"></a> +<span class="sourceLineNo">421</span><a name="line.421"></a> +<span class="sourceLineNo">422</span> /**<a name="line.422"></a> +<span class="sourceLineNo">423</span> * Lists all of the regions currently in META.<a name="line.423"></a> +<span class="sourceLineNo">424</span> *<a name="line.424"></a> +<span class="sourceLineNo">425</span> * @param connection to connect with<a name="line.425"></a> +<span class="sourceLineNo">426</span> * @param excludeOfflinedSplitParents False if we are to include offlined/splitparents regions,<a name="line.426"></a> +<span class="sourceLineNo">427</span> * true and we'll leave out offlined regions from returned list<a name="line.427"></a> +<span class="sourceLineNo">428</span> * @return List of all user-space regions.<a name="line.428"></a> +<span class="sourceLineNo">429</span> * @throws IOException<a name="line.429"></a> +<span class="sourceLineNo">430</span> */<a name="line.430"></a> +<span class="sourceLineNo">431</span> @VisibleForTesting<a name="line.431"></a> +<span class="sourceLineNo">432</span> public static List<HRegionInfo> getAllRegions(Connection connection,<a name="line.432"></a> +<span class="sourceLineNo">433</span> boolean excludeOfflinedSplitParents)<a name="line.433"></a> +<span class="sourceLineNo">434</span> throws IOException {<a name="line.434"></a> +<span class="sourceLineNo">435</span> List<Pair<HRegionInfo, ServerName>> result;<a name="line.435"></a> +<span class="sourceLineNo">436</span><a name="line.436"></a> +<span class="sourceLineNo">437</span> result = getTableRegionsAndLocations(connection, null,<a name="line.437"></a> +<span class="sourceLineNo">438</span> excludeOfflinedSplitParents);<a name="line.438"></a> +<span class="sourceLineNo">439</span><a name="line.439"></a> +<span class="sourceLineNo">440</span> return getListOfHRegionInfos(result);<a name="line.440"></a> +<span class="sourceLineNo">441</span><a name="line.441"></a> +<span class="sourceLineNo">442</span> }<a name="line.442"></a> +<span class="sourceLineNo">443</span><a name="line.443"></a> +<span class="sourceLineNo">444</span> /**<a name="line.444"></a> +<span class="sourceLineNo">445</span> * Gets all of the regions of the specified table. Do not use this method<a name="line.445"></a> +<span class="sourceLineNo">446</span> * to get meta table regions, use methods in MetaTableLocator instead.<a name="line.446"></a> +<span class="sourceLineNo">447</span> * @param connection connection we're using<a name="line.447"></a> +<span class="sourceLineNo">448</span> * @param tableName table we're looking for<a name="line.448"></a> +<span class="sourceLineNo">449</span> * @return Ordered list of {@link HRegionInfo}.<a name="line.449"></a> +<span class="sourceLineNo">450</span> * @throws IOException<a name="line.450"></a> +<span class="sourceLineNo">451</span> */<a name="line.451"></a> +<span class="sourceLineNo">452</span> public static List<HRegionInfo> getTableRegions(Connection connection, TableName tableName)<a name="line.452"></a> +<span class="sourceLineNo">453</span> throws IOException {<a name="line.453"></a> +<span class="sourceLineNo">454</span> return getTableRegions(connection, tableName, false);<a name="line.454"></a> +<span class="sourceLineNo">455</span> }<a name="line.455"></a> +<span class="sourceLineNo">456</span><a name="line.456"></a> +<span class="sourceLineNo">457</span> /**<a name="line.457"></a> +<span class="sourceLineNo">458</span> * Gets all of the regions of the specified table. Do not use this method<a name="line.458"></a> +<span class="sourceLineNo">459</span> * to get meta table regions, use methods in MetaTableLocator instead.<a name="line.459"></a> +<span class="sourceLineNo">460</span> * @param connection connection we're using<a name="line.460"></a> +<span class="sourceLineNo">461</span> * @param tableName table we're looking for<a name="line.461"></a> +<span class="sourceLineNo">462</span> * @param excludeOfflinedSplitParents If true, do not include offlined split<a name="line.462"></a> +<span class="sourceLineNo">463</span> * parents in the return.<a name="line.463"></a> +<span class="sourceLineNo">464</span> * @return Ordered list of {@link HRegionInfo}.<a name="line.464"></a> +<span class="sourceLineNo">465</span> * @throws IOException<a name="line.465"></a> +<span class="sourceLineNo">466</span> */<a name="line.466"></a> +<span class="sourceLineNo">467</span> public static List<HRegionInfo> getTableRegions(Connection connection,<a name="line.467"></a> +<span class="sourceLineNo">468</span> TableName tableName, final boolean excludeOfflinedSplitParents)<a name="line.468"></a> +<span class="sourceLineNo">469</span> throws IOException {<a name="line.469"></a> +<span class="sourceLineNo">470</span> List<Pair<HRegionInfo, ServerName>> result =<a name="line.470"></a> +<span class="sourceLineNo">471</span> getTableRegionsAndLocations(connection, tableName, excludeOfflinedSplitParents);<a name="line.471"></a> +<span class="sourceLineNo">472</span> return getListOfHRegionInfos(result);<a name="line.472"></a> +<span class="sourceLineNo">473</span> }<a name="line.473"></a> +<span class="sourceLineNo">474</span><a name="line.474"></a> +<span class="sourceLineNo">475</span> @Nullable<a name="line.475"></a> +<span class="sourceLineNo">476</span> static List<HRegionInfo> getListOfHRegionInfos(final List<Pair<HRegionInfo, ServerName>> pairs) {<a name="line.476"></a> +<span class="sourceLineNo">477</span> if (pairs == null || pairs.isEmpty()) return null;<a name="line.477"></a> +<span class="sourceLineNo">478</span> List<HRegionInfo> result = new ArrayList<>(pairs.size());<a name="line.478"></a> +<span class="sourceLineNo">479</span> for (Pair<HRegionInfo, ServerName> pair: pairs) {<a name="line.479"></a> +<span class="sourceLineNo">480</span> result.add(pair.getFirst());<a name="line.480"></a> +<span class="sourceLineNo">481</span> }<a name="line.481"></a> +<span class="sourceLineNo">482</span> return result;<a name="line.482"></a> +<span class="sourceLineNo">483</span> }<a name="line.483"></a> +<span class="sourceLineNo">484</span><a name="line.484"></a> +<span class="sourceLineNo">485</span> /**<a name="line.485"></a> +<span class="sourceLineNo">486</span> * @param current region of current table we're working with<a name="line.486"></a> +<span class="sourceLineNo">487</span> * @param tableName table we're checking against<a name="line.487"></a> +<span class="sourceLineNo">488</span> * @return True if <code>current</code> tablename is equal to<a name="line.488"></a> +<span class="sourceLineNo">489</span> * <code>tableName</code><a name="line.489"></a> +<span class="sourceLineNo">490</span> */<a name="line.490"></a> +<span class="sourceLineNo">491</span> static boolean isInsideTable(final HRegionInfo current, final TableName tableName) {<a name="line.491"></a> +<span class="sourceLineNo">492</span> return tableName.equals(current.getTable());<a name="line.492"></a> +<span class="sourceLineNo">493</span> }<a name="line.493"></a> +<span class="sourceLineNo">494</span><a name="line.494"></a> +<span class="sourceLineNo">495</span> /**<a name="line.495"></a> +<span class="sourceLineNo">496</span> * @param tableName table we're working with<a name="line.496"></a> +<span class="sourceLineNo">497</span> * @return start row for scanning META according to query type<a name="line.497"></a> +<span class="sourceLineNo">498</span> */<a name="line.498"></a> +<span class="sourceLineNo">499</span> public static byte[] getTableStartRowForMeta(TableName tableName, QueryType type) {<a name="line.499"></a> +<span class="sourceLineNo">500</span> if (tableName == null) {<a name="line.500"></a> +<span class="sourceLineNo">501</span> return null;<a name="line.501"></a> +<span class="sourceLineNo">502</span> }<a name="line.502"></a> +<span class="sourceLineNo">503</span> switch (type) {<a name="line.503"></a> +<span class="sourceLineNo">504</span> case REGION:<a name="line.504"></a> +<span class="sourceLineNo">505</span> byte[] startRow = new byte[tableName.getName().length + 2];<a name="line.505"></a> +<span class="sourceLineNo">506</span> System.arraycopy(tableName.getName(), 0, startRow, 0, tableName.getName().length);<a name="line.506"></a> +<span class="sourceLineNo">507</span> startRow[startRow.length - 2] = HConstants.DELIMITER;<a name="line.507"></a> +<span class="sourceLineNo">508</span> startRow[startRow.length - 1] = HConstants.DELIMITER;<a name="line.508"></a> +<span class="sourceLineNo">509</span> return startRow;<a name="line.509"></a> +<span class="sourceLineNo">510</span> case ALL:<a name="line.510"></a> +<span class="sourceLineNo">511</span> case TABLE:<a name="line.511"></a> +<span class="sourceLineNo">512</span> default:<a name="line.512"></a> +<span class="sourceLineNo">513</span> return tableName.getName();<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span> }<a name="line.515"></a> +<span class="sourceLineNo">516</span><a name="line.516"></a> +<span class="sourceLineNo">517</span> /**<a name="line.517"></a> +<span class="sourceLineNo">518</span> * @param tableName table we're working with<a name="line.518"></a> +<span class="sourceLineNo">519</span> * @return stop row for scanning META according to query type<a name="line.519"></a> +<span class="sourceLineNo">520</span> */<a name="line.520"></a> +<span class="sourceLineNo">521</span> public static byte[] getTableStopRowForMeta(TableName tableName, QueryType type) {<a name="line.521"></a> +<span class="sourceLineNo">522</span> if (tableName == null) {<a name="line.522"></a> +<span class="sourceLineNo">523</span> return null;<a name="line.523"></a> +<span class="sourceLineNo">524</span> }<a name="line.524"></a> +<span class="sourceLineNo">525</span> final byte[] stopRow;<a name="line.525"></a> +<span class="sourceLineNo">526</span> switch (type) {<a name="line.526"></a> +<span class="sourceLineNo">527</span> case REGION:<a name="line.527"></a> +<span class="sourceLineNo">528</span> stopRow = new byte[tableName.getName().length + 3];<a name="line.528"></a> +<span class="sourceLineNo">529</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.529"></a> +<span class="sourceLineNo">530</span> stopRow[stopRow.length - 3] = ' ';<a name="line.530"></a> +<span class="sourceLineNo">531</span> stopRow[stopRow.length - 2] = HConstants.DELIMITER;<a name="line.531"></a> +<span class="sourceLineNo">532</span> stopRow[stopRow.length - 1] = HConstants.DELIMITER;<a name="line.532"></a> +<span class="sourceLineNo">533</span> break;<a name="line.533"></a> +<span class="sourceLineNo">534</span> case ALL:<a name="line.534"></a> +<span class="sourceLineNo">535</span> case TABLE:<a name="line.535"></a> +<span class="sourceLineNo">536</span> default:<a name="line.536"></a> +<span class="sourceLineNo">537</span> stopRow = new byte[tableName.getName().length + 1];<a name="line.537"></a> +<span class="sourceLineNo">538</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.538"></a> +<span class="sourceLineNo">539</span> stopRow[stopRow.length - 1] = ' ';<a name="line.539"></a> +<span class="sourceLineNo">540</span> break;<a name="line.540"></a> +<span class="sourceLineNo">541</span> }<a name="line.541"></a> +<span class="sourceLineNo">542</span> return stopRow;<a name="line.542"></a> +<span class="sourceLineNo">543</span> }<a name="line.543"></a> +<span class="sourceLineNo">544</span><a name="line.544"></a> +<span class="sourceLineNo">545</span> /**<a name="line.545"></a> +<span class="sourceLineNo">546</span> * This method creates a Scan object that will only scan catalog rows that<a name="line.546"></a> +<span class="sourceLineNo">547</span> * belong to the specified table. It doesn't specify any columns.<a name="line.547"></a> +<span class="sourceLineNo">548</span> * This is a better alternative to just using a start row and scan until<a name="line.548"></a> +<span class="sourceLineNo">549</span> * it hits a new table since that requires parsing the HRI to get the table<a name="line.549"></a> +<span class="sourceLineNo">550</span> * name.<a name="line.550"></a> +<span class="sourceLineNo">551</span> * @param tableName bytes of table's name<a name="line.551"></a> +<span class="sourceLineNo">552</span> * @return configured Scan object<a name="line.552"></a> +<span class="sourceLineNo">553</span> */<a name="line.553"></a> +<span class="sourceLineNo">554</span> @Deprecated<a name="line.554"></a> +<span class="sourceLineNo">555</span> public static Scan getScanForTableName(Connection connection, TableName tableName) {<a name="line.555"></a> +<span class="sourceLineNo">556</span> // Start key is just the table name with delimiters<a name="line.556"></a> +<span class="sourceLineNo">557</span> byte[] startKey = getTableStartRowForMeta(tableName, QueryType.REGION);<a name="line.557"></a> +<span class="sourceLineNo">558</span> // Stop key appends the smallest possible char to the table name<a name="line.558"></a> +<span class="sourceLineNo">559</span> byte[] stopKey = getTableStopRowForMeta(tableName, QueryType.REGION);<a name="line.559"></a> +<span class="sourceLineNo">560</span><a name="line.560"></a> +<span class="sourceLineNo">561</span> Scan scan = getMetaScan(connection, -1);<a name="line.561"></a> +<span class="sourceLineNo">562</span> scan.setStartRow(startKey);<a name="line.562"></a> +<span class="sourceLineNo">563</span> scan.setStopRow(stopKey);<a name="line.563"></a> +<span class="sourceLineNo">564</span> return scan;<a name="line.564"></a> +<span class="sourceLineNo">565</span> }<a name="line.565"></a> +<span class="sourceLineNo">566</span><a name="line.566"></a> +<span class="sourceLineNo">567</span> private static Scan getMetaScan(Connection connection, int rowUpperLimit) {<a name="line.567"></a> +<span class="sourceLineNo">568</span> Scan scan = new Scan();<a name="line.568"></a> +<span class="sourceLineNo">569</span> int scannerCaching = connection.getConfiguration()<a name="line.569"></a> +<span class="sourceLineNo">570</span> .getInt(HConstants.HBASE_META_SCANNER_CACHING,<a name="line.570"></a> +<span class="sourceLineNo">571</span> HConstants.DEFAULT_HBASE_META_SCANNER_CACHING);<a name="line.571"></a> +<span class="sourceLineNo">572</span> if (connection.getConfiguration().getBoolean(HConstants.USE_META_REPLICAS,<a name="line.572"></a> +<span class="sourceLineNo">573</span> HConstants.DEFAULT_USE_META_REPLICAS)) {<a name="line.573"></a> +<span class="sourceLineNo">574</span> scan.setConsistency(Consistency.TIMELINE);<a name="line.574"></a> +<span class="sourceLineNo">575</span> }<a name="line.575"></a> +<span class="sourceLineNo">576</span> if (rowUpperLimit > 0) {<a name="line.576"></a> +<span class="sourceLineNo">577</span> scan.setLimit(rowUpperLimit);<a name="line.577"></a> +<span class="sourceLineNo">578</span> scan.setReadType(Scan.ReadType.PREAD);<a name="line.578"></a> +<span class="sourceLineNo">579</span> }<a name="line.579"></a> +<span class="sourceLineNo">580</span> scan.setCaching(scannerCaching);<a name="line.580"></a> +<span class="sourceLineNo">581</span> return scan;<a name="line.581"></a> +<span class="sourceLineNo">582</span> }<a name="line.582"></a> +<span class="sourceLineNo">583</span> /**<a name="line.583"></a> +<span class="sourceLineNo">584</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.584"></a> +<span class="sourceLineNo">585</span> * @param connection connection we're using<a name="line.585"></a> +<span class="sourceLineNo">586</span> * @param tableName table we're looking for<a name="line.586"></a> +<span class="sourceLineNo">587</span> * @return Return list of regioninfos and server.<a name="line.587"></a> +<span class="sourceLineNo">588</span> * @throws IOException<a name="line.588"></a> +<span class="sourceLineNo">589</span> */<a name="line.589"></a> +<span class="sourceLineNo">590</span> public static List<Pair<HRegionInfo, ServerName>><a name="line.590"></a> +<span class="sourceLineNo">591</span> getTableRegionsAndLocations(Connection connection, TableName tableName)<a name="line.591"></a> +<span class="sourceLineNo">592</span> throws IOException {<a name="line.592"></a> +<span class="sourceLineNo">593</span> return getTableRegionsAndLocations(connection, tableName, true);<a name="line.593"></a> +<span class="sourceLineNo">594</span> }<a name="line.594"></a> +<span class="sourceLineNo">595</span><a name="line.595"></a> +<span class="sourceLineNo">596</span> /**<a name="line.596"></a> +<span class="sourceLineNo">597</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.597"></a> +<span class="sourceLineNo">598</span> * @param connection connection we're using<a name="line.598"></a> +<span class="sourceLineNo">599</span> * @param tableName table to work with, can be null for getting all regions<a name="line.599"></a> +<span class="sourceLineNo">600</span> * @param excludeOfflinedSplitParents don't return split parents<a name="line.600"></a> +<span class="sourceLineNo">601</span> * @return Return list of regioninfos and server addresses.<a name="line.601"></a> +<span class="sourceLineNo">602</span> * @throws IOException<a name="line.602"></a> +<span class="sourceLineNo">603</span> */<a name="line.603"></a> +<span class="sourceLineNo">604</span> public static List<Pair<HRegionInfo, ServerName>> getTableRegionsAndLocations(<a name="line.604"></a> +<span class="sourceLineNo">605</span> Connection connection, @Nullable final TableName tableName,<a name="line.605"></a> +<span class="sourceLineNo">606</span> final boolean excludeOfflinedSplitParents) throws IOException {<a name="line.606"></a> +<span class="sourceLineNo">607</span> if (tableName != null && tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.607"></a> +<span class="sourceLineNo">608</span> throw new IOException("This method can't be used to locate meta regions;"<a name="line.608"></a> +<span class="sourceLineNo">609</span> + " use MetaTableLocator instead");<a name="line.609"></a> +<span class="sourceLineNo">610</span> }<a name="line.610"></a> +<span class="sourceLineNo">611</span> // Make a version of CollectingVisitor that collects HRegionInfo and ServerAddress<a name="line.611"></a> +<span class="sourceLineNo">612</span> CollectingVisitor<Pair<HRegionInfo, ServerName>> visitor =<a name="line.612"></a> +<span class="sourceLineNo">613</span> new CollectingVisitor<Pair<HRegionInfo, ServerName>>() {<a name="line.613"></a> +<span class="sourceLineNo">614</span> private RegionLocations current = null;<a name="line.614"></a> +<span class="sourceLineNo">615</span><a name="line.615"></a> +<span class="sourceLineNo">616</span> @Override<a name="line.616"></a> +<span class="sourceLineNo">617</span> public boolean visit(Result r) throws IOException {<a name="line.617"></a> +<span class="sourceLineNo">618</span> current = getRegionLocations(r);<a name="line.618"></a> +<span class="sourceLineNo">619</span> if (current == null || current.getRegionLocation().getRegionInfo() == null) {<a name="line.619"></a> +<span class="sourceLineNo">620</span> LOG.warn("No serialized HRegionInfo in " + r);<a name="line.620"></a> +<span class="sourceLineNo">621</span> return true;<a name="line.621"></a> +<span class="sourceLineNo">622</span> }<a name="line.622"></a> +<span class="sourceLineNo">623</span> HRegionInfo hri = current.getRegionLocation().getRegionInfo();<a name="line.623"></a> +<span class="sourceLineNo">624</span> if (excludeOfflinedSplitParents && hri.isSplitParent()) return true;<a name="line.624"></a> +<span class="sourceLineNo">625</span> // Else call super and add this Result to the collection.<a name="line.625"></a> +<span class="sourceLineNo">626</span> return super.visit(r);<a name="line.626"></a> +<span class="sourceLineNo">627</span> }<a name="line.627"></a> +<span class="sourceLineNo">628</span><a name="line.628"></a> +<span class="sourceLineNo">629</span> @Override<a name="line.629"></a> +<span class="sourceLineNo">630</span> void add(Result r) {<a name="line.630"></a> +<span class="sourceLineNo">631</span> if (current == null) {<a name="line.631"></a> +<span class="sourceLineNo">632</span> return;<a name="line.632"></a> +<span class="sourceLineNo">633</span> }<a name="line.633"></a> +<span class="sourceLineNo">634</span> for (HRegionLocation loc : current.getRegionLocations()) {<a name="line.634"></a> +<span class="sourceLineNo">635</span> if (loc != null) {<a name="line.635"></a> +<span class="sourceLineNo">636</span> this.results.add(new Pair<>(loc.getRegionInfo(), loc.getServerName()));<a name="line.636"></a> +<span class="sourceLineNo">637</span> }<a name="line.637"></a> +<span class="sourceLineNo">638</span> }<a name="line.638"></a> +<span class="sourceLineNo">639</span> }<a name="line.639"></a> +<span class="sourceLineNo">640</span> };<a name="line.640"></a> +<span class="sourceLineNo">641</span> scanMeta(connection,<a name="line.641"></a> +<span class="sourceLineNo">642</span> getTableStartRowForMeta(tableName, QueryType.REGION),<a name="line.642"></a> +<span class="sourceLineNo">643</span> getTableStopRowForMeta(tableName, QueryType.REGION),<a name="line.643"></a> +<span class="sourceLineNo">644</span> QueryType.REGION, visitor);<a name="line.644"></a> +<span class="sourceLineNo">645</span> return visitor.getResults();<a name="line.645"></a> +<span class="sourceLineNo">646</span> }<a name="line.646"></a> +<span class="sourceLineNo">647</span><a name="line.647"></a> +<span class="sourceLineNo">648</span> /**<a name="line.648"></a> +<span class="sourceLineNo">649</span> * @param connection connection we're using<a name="line.649"></a> +<span class="sourceLineNo">650</span> * @param serverName server whose regions we're interested in<a name="line.650"></a> +<span class="sourceLineNo">651</span> * @return List of user regions installed on this server (does not include<a name="line.651"></a> +<span class="sourceLineNo">652</span> * catalog regions).<a name="line.652"></a> +<span class="sourceLineNo">653</span> * @throws IOException<a name="line.653"></a> +<span class="sourceLineNo">654</span> */<a name="line.654"></a> +<span class="sourceLineNo">655</span> public static NavigableMap<HRegionInfo, Result><a name="line.655"></a> +<span class="sourceLineNo">656</span> getServerUserRegions(Connection connection, final ServerName serverName)<a name="line.656"></a> +<span class="sourceLineNo">657</span> throws IOException {<a name="line.657"></a> +<span class="sourceLineNo">658</span> final NavigableMap<HRegionInfo, Result> hris = new TreeMap<>();<a name="line.658"></a> +<span 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+<span class="sourceLineNo">669</span> if (loc.getServerName() != null && loc.getServerName().equals(serverName)) {<a name="line.669"></a> +<span class="sourceLineNo">670</span> hris.put(loc.getRegionInfo(), r);<a name="line.670"></a> +<span class="sourceLineNo">671</span> }<a name="line.671"></a> +<span class="sourceLineNo">672</span> }<a name="line.672"></a> +<span class="sourceLineNo">673</span> }<a name="line.673"></a> +<span class="sourceLineNo">674</span> }<a name="line.674"></a> +<span class="sourceLineNo">675</span> };<a name="line.675"></a> +<span class="sourceLineNo">676</span> scanMeta(connection, null, null, QueryType.REGION, v);<a name="line.676"></a> +<span class="sourceLineNo">677</span> return hris;<a name="line.677"></a> +<span class="sourceLineNo">678</span> }<a name="line.678"></a> +<span class="sourceLineNo">679</span><a name="line.679"></a> +<span class="sourceLineNo">680</span> public static void fullScanMetaAndPrint(Connection connection)<a name="line.680"></a> +<span class="sourceLineNo">681</span> throws IOException {<a name="line.681"></a> +<span class="sourceLineNo">682</span> Visitor v = new Visitor() {<a name="line.682"></a> +<span class="sourceLineNo">683</span> @Override<a name="line.683"></a> +<span class="sourceLineNo">684</span> public boolean visit(Result r) throws IOException {<a name="line.684"></a> +<span class="sourceLineNo">685</span> if (r == null || r.isEmpty()) return true;<a name="line.685"></a> +<span class="sourceLineNo">686</span> LOG.info("fullScanMetaAndPrint.Current Meta Row: " + r);<a name="line.686"></a> +<span class="sourceLineNo">687</span> TableState state = getTableState(r);<a name="line.687"></a> +<span class="sourceLineNo">688</span> if (state != null) {<a name="line.688"></a> +<span class="sourceLineNo">689</span> LOG.info("Table State: " + state);<a name="line.689"></a> +<span class="sourceLineNo">690</span> } else {<a name="line.690"></a> +<span class="sourceLineNo">691</span> RegionLocations locations = getRegionLocations(r);<a name="line.691"></a> +<span class="sourceLineNo">692</span> if (locations == null) return true;<a name="line.692"></a> +<span class="sourceLineNo">693</span> for (HRegionLocation loc : locations.getRegionLocations()) {<a name="line.693"></a> +<span class="sourceLineNo">694</span> if (loc != null) {<a name="line.694"></a> +<span class="sourceLineNo">695</span> LOG.info("fullScanMetaAndPrint.HRI Print= " + loc.getRegionInfo());<a name="line.695"></a> +<span class="sourceLineNo">696</span> }<a name="line.696"></a> +<span class="sourceLineNo">697</span> }<a name="line.697"></a> +<span class="sourceLineNo">698</span> }<a name="line.698"></a> +<span class="sourceLineNo">699</span> return true;<a name="line.699"></a> +<span class="sourceLineNo">700</span> }<a name="line.700"></a> +<span class="sourceLineNo">701</span> };<a name="line.701"></a> +<span class="sourceLineNo">702</span> scanMeta(connection, null, null, QueryType.ALL, v);<a name="line.702"></a> +<span class="sourceLineNo">703</span> }<a name="line.703"></a> +<span class="sourceLineNo">704</span><a name="line.704"></a> +<span class="sourceLineNo">705</span> public static void scanMetaForTableRegions(Connection connection,<a name="line.705"></a> +<span class="sourceLineNo">706</span> Visitor visitor, TableName tableName) throws IOException {<a name="line.706"></a> +<span class="sourceLineNo">707</span> scanMeta(connection, tableName, QueryType.REGION, Integer.MAX_VALUE, visitor);<a name="line.707"></a> +<span class="sourceLineNo">708</span> }<a name="line.708"></a> +<span class="sourceLineNo">709</span><a name="line.709"></a> +<span class="sourceLineNo">710</span> public static void scanMeta(Connection connection, TableName table,<a name="line.710"></a> +<span class="sourceLineNo">711</span> QueryType type, int maxRows, final Visitor visitor) throws IOException {<a name="line.711"></a> +<span class="sourceLineNo">712</span> scanMeta(connection, getTableStartRowForMeta(table, type), getTableStopRowForMeta(table, type),<a name="line.712"></a> +<span class="sourceLineNo">713</span> type, maxRows, visitor);<a name="line.713"></a> +<span class="sourceLineNo">714</span> }<a name="line.714"></a> +<span class="sourceLineNo">715</span><a name="line.715"></a> +<span class="sourceLineNo">716</span> public static void scanMeta(Connection connection,<a name="line.716"></a> +<span class="sourceLineNo">717</span> @Nullable final byte[] startRow, @Nullable final byte[] stopRow,<a name="line.717"></a> +<span class="sourceLineNo">718</span> QueryType type, final Visitor visitor) throws IOException {<a name="line.718"></a> +<span class="sourceLineNo">719</span> scanMeta(connection, startRow, stopRow, type, Integer.MAX_VALUE, visitor);<a name="line.719"></a> +<span class="sourceLineNo">720</span> }<a name="line.720"></a> +<span class="sourceLineNo">721</span><a name="line.721"></a> +<span class="sourceLineNo">722</span> /**<a name="line.722"></a> +<span class="sourceLineNo">723</span> * Performs a scan of META table for given table starting from<a name="line.723"></a> +<span class="sourceLineNo">724</span> * given row.<a name="line.724"></a> +<span class="sourceLineNo">725</span> *<a name="line.725"></a> +<span class="sourceLineNo">726</span> * @param connection connection we're using<a name="line.726"></a> +<span class="sourceLineNo">727</span> * @param visitor visitor to call<a name="line.727"></a> +<span class="sourceLineNo">728</span> * @param tableName table withing we scan<a name="line.728"></a> +<span class="sourceLineNo">729</span> * @param row start scan from this row<a name="line.729"></a> +<span class="sourceLineNo">730</span> * @param rowLimit max number of rows to return<a name="line.730"></a> +<span class="sourceLineNo">731</span> * @throws IOException<a name="line.731"></a> +<span class="sourceLineNo">732</span> */<a name="line.732"></a> +<span class="sourceLineNo">733</span> public static void scanMeta(Connection 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name="line.755"></a> -<span class="sourceLineNo">756</span><a name="line.756"></a> -<span class="sourceLineNo">757</span> /**<a name="line.757"></a> -<span class="sourceLineNo">758</span> * Performs a scan of META table.<a name="line.758"></a> -<span class="sourceLineNo">759</span> * @param connection connection we're using<a name="line.759"></a> -<span class="sourceLineNo">760</span> * @param startRow Where to start the scan. Pass null if want to begin scan<a name="line.760"></a> -<span class="sourceLineNo">761</span> * at first row.<a name="line.761"></a> -<span class="sourceLineNo">762</span> * @param stopRow Where to stop the scan. 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throws IOException {<a name="line.772"></a> -<span class="sourceLineNo">773</span> int rowUpperLimit = maxRows > 0 ? maxRows : Integer.MAX_VALUE;<a name="line.773"></a> -<span class="sourceLineNo">774</span> Scan scan = getMetaScan(connection, rowUpperLimit);<a name="line.774"></a> -<span class="sourceLineNo">775</span><a name="line.775"></a> -<span class="sourceLineNo">776</span> for (byte[] family : type.getFamilies()) {<a name="line.776"></a> -<span class="sourceLineNo">777</span> scan.addFamily(family);<a name="line.777"></a> -<span class="sourceLineNo">778</span> }<a name="line.778"></a> -<span class="sourceLineNo">779</span> if (startRow != null) scan.setStartRow(startRow);<a name="line.779"></a> -<span class="sourceLineNo">780</span> if (stopRow != null) scan.setStopRow(stopRow);<a name="line.780"></a> -<span class="sourceLineNo">781</span><a name="line.781"></a> -<span class="sourceLineNo">782</span> if (LOG.isTraceEnabled()) {<a name="line.782"></a> -<span class="sourceLineNo">783</span> LOG.trace("Scanning META"<a name="line.783"></a> -<span class="sourceLineNo">784</span> + " starting at row=" + Bytes.toStringBinary(startRow)<a name="line.784"></a> -<span class="sourceLineNo">785</span> + " stopping at row=" + Bytes.toStringBinary(stopRow)<a name="line.785"></a> -<span class="sourceLineNo">786</span> + " for max=" + rowUpperLimit<a name="line.786"></a> -<span class="sourceLineNo">787</span> + " with caching=" + scan.getCaching());<a name="line.787"></a> -<span class="sourceLineNo">788</span> }<a name="line.788"></a> -<span class="sourceLineNo">789</span><a name="line.789"></a> -<span class="sourceLineNo">790</span> int currentRow = 0;<a name="line.790"></a> -<span class="sourceLineNo">791</span> try (Table metaTable = getMetaHTable(connection)) {<a name="line.791"></a> -<span class="sourceLineNo">792</span> try (ResultScanner scanner = metaTable.getScanner(scan)) {<a name="line.792"></a> -<span class="sourceLineNo">793</span> Result data;<a name="line.793"></a> -<span class="sourceLineNo">794</span> while ((data = scanner.next()) != null) {<a name="line.794"></a> -<span class="sourceLineNo">795</span> if (data.isEmpty()) continue;<a name="line.795"></a> -<span class="sourceLineNo">796</span> // Break if visit returns false.<a name="line.796"></a> -<span class="sourceLineNo">797</span> if (!visitor.visit(data)) break;<a name="line.797"></a> -<span class="sourceLineNo">798</span> if (++currentRow >= rowUpperLimit) break;<a name="line.798"></a> -<span class="sourceLineNo">799</span> }<a name="line.799"></a> -<span class="sourceLineNo">800</span> }<a name="line.800"></a> -<span class="sourceLineNo">801</span> }<a name="line.801"></a> -<span class="sourceLineNo">802</span> if (visitor != null && visitor instanceof Closeable) {<a name="line.802"></a> -<span class="sourceLineNo">803</span> try {<a name="line.803"></a> -<span class="sourceLineNo">804</span> ((Closeable) visitor).close();<a name="line.804"></a> -<span 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<TRUNCATED>
