http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c7c8351c/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html index ac01a35..5f41fe7 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.RegionStateStampComparator.html @@ -511,643 +511,649 @@ <span class="sourceLineNo">503</span><a name="line.503"></a> <span class="sourceLineNo">504</span> public void deleteRegion(final RegionInfo regionInfo) {<a name="line.504"></a> <span class="sourceLineNo">505</span> regionsMap.remove(regionInfo.getRegionName());<a name="line.505"></a> -<span class="sourceLineNo">506</span> // Remove from the offline regions map too if there.<a name="line.506"></a> -<span class="sourceLineNo">507</span> if (this.regionOffline.containsKey(regionInfo)) {<a name="line.507"></a> -<span class="sourceLineNo">508</span> if (LOG.isTraceEnabled()) LOG.trace("Removing from regionOffline Map: " + regionInfo);<a name="line.508"></a> -<span class="sourceLineNo">509</span> this.regionOffline.remove(regionInfo);<a name="line.509"></a> -<span class="sourceLineNo">510</span> }<a name="line.510"></a> -<span class="sourceLineNo">511</span> }<a name="line.511"></a> -<span class="sourceLineNo">512</span><a name="line.512"></a> -<span class="sourceLineNo">513</span> ArrayList<RegionStateNode> getTableRegionStateNodes(final TableName tableName) {<a name="line.513"></a> -<span class="sourceLineNo">514</span> final ArrayList<RegionStateNode> regions = new ArrayList<RegionStateNode>();<a name="line.514"></a> -<span class="sourceLineNo">515</span> for (RegionStateNode node: regionsMap.tailMap(tableName.getName()).values()) {<a name="line.515"></a> -<span class="sourceLineNo">516</span> if (!node.getTable().equals(tableName)) break;<a name="line.516"></a> -<span class="sourceLineNo">517</span> regions.add(node);<a name="line.517"></a> -<span class="sourceLineNo">518</span> }<a name="line.518"></a> -<span class="sourceLineNo">519</span> return regions;<a name="line.519"></a> -<span class="sourceLineNo">520</span> }<a name="line.520"></a> -<span class="sourceLineNo">521</span><a name="line.521"></a> -<span class="sourceLineNo">522</span> ArrayList<RegionState> getTableRegionStates(final TableName tableName) {<a name="line.522"></a> -<span class="sourceLineNo">523</span> final ArrayList<RegionState> regions = new ArrayList<RegionState>();<a name="line.523"></a> -<span class="sourceLineNo">524</span> for (RegionStateNode node: regionsMap.tailMap(tableName.getName()).values()) {<a name="line.524"></a> -<span class="sourceLineNo">525</span> if (!node.getTable().equals(tableName)) break;<a name="line.525"></a> -<span class="sourceLineNo">526</span> regions.add(node.toRegionState());<a name="line.526"></a> -<span class="sourceLineNo">527</span> }<a name="line.527"></a> -<span class="sourceLineNo">528</span> return regions;<a name="line.528"></a> -<span class="sourceLineNo">529</span> }<a name="line.529"></a> -<span class="sourceLineNo">530</span><a name="line.530"></a> -<span class="sourceLineNo">531</span> ArrayList<RegionInfo> getTableRegionsInfo(final TableName tableName) {<a name="line.531"></a> -<span class="sourceLineNo">532</span> final ArrayList<RegionInfo> regions = new ArrayList<RegionInfo>();<a name="line.532"></a> -<span class="sourceLineNo">533</span> for (RegionStateNode node: regionsMap.tailMap(tableName.getName()).values()) {<a name="line.533"></a> -<span class="sourceLineNo">534</span> if (!node.getTable().equals(tableName)) break;<a name="line.534"></a> -<span class="sourceLineNo">535</span> regions.add(node.getRegionInfo());<a name="line.535"></a> -<span class="sourceLineNo">536</span> }<a name="line.536"></a> -<span class="sourceLineNo">537</span> return regions;<a name="line.537"></a> -<span class="sourceLineNo">538</span> }<a name="line.538"></a> -<span class="sourceLineNo">539</span><a name="line.539"></a> -<span class="sourceLineNo">540</span> Collection<RegionStateNode> getRegionStateNodes() {<a name="line.540"></a> -<span class="sourceLineNo">541</span> return regionsMap.values();<a name="line.541"></a> -<span class="sourceLineNo">542</span> }<a name="line.542"></a> -<span class="sourceLineNo">543</span><a name="line.543"></a> -<span class="sourceLineNo">544</span> public ArrayList<RegionState> getRegionStates() {<a name="line.544"></a> -<span class="sourceLineNo">545</span> final ArrayList<RegionState> regions = new ArrayList<RegionState>(regionsMap.size());<a name="line.545"></a> -<span class="sourceLineNo">546</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.546"></a> -<span class="sourceLineNo">547</span> regions.add(node.toRegionState());<a name="line.547"></a> -<span class="sourceLineNo">548</span> }<a name="line.548"></a> -<span class="sourceLineNo">549</span> return regions;<a name="line.549"></a> -<span class="sourceLineNo">550</span> }<a name="line.550"></a> -<span class="sourceLineNo">551</span><a name="line.551"></a> -<span class="sourceLineNo">552</span> // ==========================================================================<a name="line.552"></a> -<span class="sourceLineNo">553</span> // RegionState helpers<a name="line.553"></a> -<span class="sourceLineNo">554</span> // ==========================================================================<a name="line.554"></a> -<span class="sourceLineNo">555</span> public RegionState getRegionState(final RegionInfo regionInfo) {<a name="line.555"></a> -<span class="sourceLineNo">556</span> RegionStateNode regionStateNode = getRegionStateNode(regionInfo);<a name="line.556"></a> -<span class="sourceLineNo">557</span> return regionStateNode == null ? null : regionStateNode.toRegionState();<a name="line.557"></a> -<span class="sourceLineNo">558</span> }<a name="line.558"></a> -<span class="sourceLineNo">559</span><a name="line.559"></a> -<span class="sourceLineNo">560</span> public RegionState getRegionState(final String encodedRegionName) {<a name="line.560"></a> -<span class="sourceLineNo">561</span> // TODO: Need a map <encodedName, ...> but it is just dispatch merge...<a name="line.561"></a> -<span class="sourceLineNo">562</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.562"></a> -<span class="sourceLineNo">563</span> if (node.getRegionInfo().getEncodedName().equals(encodedRegionName)) {<a name="line.563"></a> -<span class="sourceLineNo">564</span> return node.toRegionState();<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> return null;<a name="line.567"></a> -<span class="sourceLineNo">568</span> }<a name="line.568"></a> -<span class="sourceLineNo">569</span><a name="line.569"></a> -<span class="sourceLineNo">570</span> // ============================================================================================<a name="line.570"></a> -<span class="sourceLineNo">571</span> // TODO: helpers<a name="line.571"></a> -<span class="sourceLineNo">572</span> // ============================================================================================<a name="line.572"></a> -<span class="sourceLineNo">573</span> public boolean hasTableRegionStates(final TableName tableName) {<a name="line.573"></a> -<span class="sourceLineNo">574</span> // TODO<a name="line.574"></a> -<span class="sourceLineNo">575</span> return !getTableRegionStates(tableName).isEmpty();<a name="line.575"></a> -<span class="sourceLineNo">576</span> }<a name="line.576"></a> -<span class="sourceLineNo">577</span><a name="line.577"></a> -<span class="sourceLineNo">578</span> /**<a name="line.578"></a> -<span class="sourceLineNo">579</span> * @return Return online regions of table; does not include OFFLINE or SPLITTING regions.<a name="line.579"></a> -<span class="sourceLineNo">580</span> */<a name="line.580"></a> -<span class="sourceLineNo">581</span> public List<RegionInfo> getRegionsOfTable(final TableName table) {<a name="line.581"></a> -<span class="sourceLineNo">582</span> return getRegionsOfTable(table, false);<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> private HRegionLocation createRegionForReopen(RegionStateNode node) {<a name="line.585"></a> -<span class="sourceLineNo">586</span> synchronized (node) {<a name="line.586"></a> -<span class="sourceLineNo">587</span> if (!include(node, false)) {<a name="line.587"></a> -<span class="sourceLineNo">588</span> return null;<a name="line.588"></a> -<span class="sourceLineNo">589</span> }<a name="line.589"></a> -<span class="sourceLineNo">590</span> if (node.isInState(State.OPEN)) {<a name="line.590"></a> -<span class="sourceLineNo">591</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.591"></a> -<span class="sourceLineNo">592</span> node.getOpenSeqNum());<a name="line.592"></a> -<span class="sourceLineNo">593</span> } else if (node.isInState(State.OPENING)) {<a name="line.593"></a> -<span class="sourceLineNo">594</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), -1);<a name="line.594"></a> -<span class="sourceLineNo">595</span> } else {<a name="line.595"></a> -<span class="sourceLineNo">596</span> return null;<a name="line.596"></a> -<span class="sourceLineNo">597</span> }<a name="line.597"></a> -<span class="sourceLineNo">598</span> }<a name="line.598"></a> -<span class="sourceLineNo">599</span> }<a name="line.599"></a> -<span class="sourceLineNo">600</span><a name="line.600"></a> -<span class="sourceLineNo">601</span> /**<a name="line.601"></a> -<span class="sourceLineNo">602</span> * Get the regions to be reopened when modifying a table.<a name="line.602"></a> -<span class="sourceLineNo">603</span> * <p/><a name="line.603"></a> -<span class="sourceLineNo">604</span> * Notice that the {@code openSeqNum} in the returned HRegionLocation is also used to indicate the<a name="line.604"></a> -<span class="sourceLineNo">605</span> * state of this region, positive means the region is in {@link State#OPEN}, -1 means<a name="line.605"></a> -<span class="sourceLineNo">606</span> * {@link State#OPENING}. And for regions in other states we do not need reopen them.<a name="line.606"></a> -<span class="sourceLineNo">607</span> */<a name="line.607"></a> -<span class="sourceLineNo">608</span> public List<HRegionLocation> getRegionsOfTableForReopen(TableName tableName) {<a name="line.608"></a> -<span class="sourceLineNo">609</span> return getTableRegionStateNodes(tableName).stream().map(this::createRegionForReopen)<a name="line.609"></a> -<span class="sourceLineNo">610</span> .filter(r -> r != null).collect(Collectors.toList());<a name="line.610"></a> -<span class="sourceLineNo">611</span> }<a name="line.611"></a> -<span class="sourceLineNo">612</span><a name="line.612"></a> -<span class="sourceLineNo">613</span> /**<a name="line.613"></a> -<span class="sourceLineNo">614</span> * Check whether the region has been reopened. The meaning of the {@link HRegionLocation} is the<a name="line.614"></a> -<span class="sourceLineNo">615</span> * same with {@link #getRegionsOfTableForReopen(TableName)}.<a name="line.615"></a> -<span class="sourceLineNo">616</span> * <p/><a name="line.616"></a> -<span class="sourceLineNo">617</span> * For a region which is in {@link State#OPEN} before, if the region state is changed or the open<a name="line.617"></a> -<span class="sourceLineNo">618</span> * seq num is changed, we can confirm that it has been reopened.<a name="line.618"></a> -<span class="sourceLineNo">619</span> * <p/><a name="line.619"></a> -<span class="sourceLineNo">620</span> * For a region which is in {@link State#OPENING} before, usually it will be in {@link State#OPEN}<a name="line.620"></a> -<span class="sourceLineNo">621</span> * now and we will schedule a MRP to reopen it. 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node.getOpenSeqNum() : -1;<a name="line.666"></a> -<span class="sourceLineNo">667</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<a name="line.667"></a> -<span class="sourceLineNo">668</span> }<a name="line.668"></a> -<span class="sourceLineNo">669</span> }<a name="line.669"></a> -<span class="sourceLineNo">670</span> }<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> * @return Return online regions of table; does not include OFFLINE or SPLITTING regions.<a name="line.674"></a> -<span class="sourceLineNo">675</span> */<a name="line.675"></a> -<span class="sourceLineNo">676</span> public List<RegionInfo> getRegionsOfTable(TableName table, boolean offline) {<a name="line.676"></a> -<span class="sourceLineNo">677</span> return getRegionsOfTable(table, state -> include(state, offline));<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> /**<a name="line.680"></a> -<span class="sourceLineNo">681</span> * @return Return the regions of the table; does not include OFFLINE unless you set<a name="line.681"></a> -<span class="sourceLineNo">682</span> * <code>offline</code> to true. 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Default is to<a name="line.691"></a> -<span class="sourceLineNo">692</span> * weed out split and offline regions.<a name="line.692"></a> -<span class="sourceLineNo">693</span> * @return True if we should include the <code>node</code> (do not include<a name="line.693"></a> -<span class="sourceLineNo">694</span> * if split or offline unless <code>offline</code> is set to true.<a name="line.694"></a> -<span class="sourceLineNo">695</span> */<a name="line.695"></a> -<span class="sourceLineNo">696</span> boolean include(final RegionStateNode node, final boolean offline) {<a name="line.696"></a> -<span class="sourceLineNo">697</span> if (LOG.isTraceEnabled()) {<a name="line.697"></a> -<span class="sourceLineNo">698</span> LOG.trace("WORKING ON " + node + " " + node.getRegionInfo());<a name="line.698"></a> -<span class="sourceLineNo">699</span> }<a name="line.699"></a> -<span class="sourceLineNo">700</span> if (node.isInState(State.SPLIT)) return false;<a name="line.700"></a> -<span class="sourceLineNo">701</span> if (node.isInState(State.OFFLINE) && !offline) return false;<a name="line.701"></a> -<span class="sourceLineNo">702</span> final RegionInfo hri = node.getRegionInfo();<a name="line.702"></a> -<span class="sourceLineNo">703</span> return (!hri.isOffline() && !hri.isSplit()) ||<a name="line.703"></a> -<span class="sourceLineNo">704</span> ((hri.isOffline() || hri.isSplit()) && offline);<a name="line.704"></a> -<span class="sourceLineNo">705</span> }<a name="line.705"></a> -<span class="sourceLineNo">706</span><a name="line.706"></a> -<span class="sourceLineNo">707</span> /**<a name="line.707"></a> -<span class="sourceLineNo">708</span> * Returns the set of regions hosted by the specified server<a name="line.708"></a> -<span class="sourceLineNo">709</span> * @param serverName the server we are interested in<a name="line.709"></a> -<span class="sourceLineNo">710</span> * @return set of RegionInfo hosted by the specified server<a name="line.710"></a> -<span 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============================================================================================<a name="line.721"></a> -<span class="sourceLineNo">722</span> // Split helpers<a name="line.722"></a> -<span class="sourceLineNo">723</span> // These methods will only be called in ServerCrashProcedure, and at the end of SCP we will remove<a name="line.723"></a> -<span class="sourceLineNo">724</span> // the ServerStateNode by calling removeServer.<a name="line.724"></a> -<span class="sourceLineNo">725</span> // ============================================================================================<a name="line.725"></a> +<span class="sourceLineNo">506</span> // See HBASE-20860<a name="line.506"></a> +<span class="sourceLineNo">507</span> // After master restarts, merged regions' RIT state may not be cleaned,<a name="line.507"></a> +<span class="sourceLineNo">508</span> // making sure they are cleaned here<a name="line.508"></a> +<span class="sourceLineNo">509</span> if (regionInTransition.containsKey(regionInfo)) {<a name="line.509"></a> +<span class="sourceLineNo">510</span> regionInTransition.remove(regionInfo);<a name="line.510"></a> +<span class="sourceLineNo">511</span> }<a name="line.511"></a> +<span class="sourceLineNo">512</span> // Remove from the offline regions map too if there.<a name="line.512"></a> +<span class="sourceLineNo">513</span> if (this.regionOffline.containsKey(regionInfo)) {<a name="line.513"></a> +<span class="sourceLineNo">514</span> if (LOG.isTraceEnabled()) LOG.trace("Removing from regionOffline Map: " + regionInfo);<a name="line.514"></a> +<span class="sourceLineNo">515</span> this.regionOffline.remove(regionInfo);<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> ArrayList<RegionStateNode> getTableRegionStateNodes(final TableName tableName) {<a name="line.519"></a> +<span class="sourceLineNo">520</span> final ArrayList<RegionStateNode> regions = new ArrayList<RegionStateNode>();<a name="line.520"></a> +<span class="sourceLineNo">521</span> for (RegionStateNode node: regionsMap.tailMap(tableName.getName()).values()) {<a name="line.521"></a> +<span class="sourceLineNo">522</span> if (!node.getTable().equals(tableName)) break;<a name="line.522"></a> +<span class="sourceLineNo">523</span> regions.add(node);<a name="line.523"></a> +<span class="sourceLineNo">524</span> }<a name="line.524"></a> +<span class="sourceLineNo">525</span> return regions;<a name="line.525"></a> +<span class="sourceLineNo">526</span> }<a name="line.526"></a> +<span class="sourceLineNo">527</span><a name="line.527"></a> +<span class="sourceLineNo">528</span> ArrayList<RegionState> getTableRegionStates(final TableName tableName) {<a name="line.528"></a> +<span class="sourceLineNo">529</span> final ArrayList<RegionState> regions = new ArrayList<RegionState>();<a name="line.529"></a> +<span class="sourceLineNo">530</span> for (RegionStateNode node: regionsMap.tailMap(tableName.getName()).values()) {<a name="line.530"></a> +<span class="sourceLineNo">531</span> if (!node.getTable().equals(tableName)) break;<a name="line.531"></a> +<span class="sourceLineNo">532</span> regions.add(node.toRegionState());<a name="line.532"></a> +<span class="sourceLineNo">533</span> }<a name="line.533"></a> +<span class="sourceLineNo">534</span> return regions;<a name="line.534"></a> +<span class="sourceLineNo">535</span> }<a name="line.535"></a> +<span class="sourceLineNo">536</span><a name="line.536"></a> +<span class="sourceLineNo">537</span> ArrayList<RegionInfo> getTableRegionsInfo(final TableName tableName) {<a name="line.537"></a> +<span class="sourceLineNo">538</span> final ArrayList<RegionInfo> regions = new ArrayList<RegionInfo>();<a name="line.538"></a> +<span class="sourceLineNo">539</span> for (RegionStateNode node: regionsMap.tailMap(tableName.getName()).values()) {<a name="line.539"></a> +<span class="sourceLineNo">540</span> if (!node.getTable().equals(tableName)) break;<a name="line.540"></a> +<span class="sourceLineNo">541</span> regions.add(node.getRegionInfo());<a name="line.541"></a> +<span class="sourceLineNo">542</span> }<a name="line.542"></a> +<span class="sourceLineNo">543</span> return regions;<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> Collection<RegionStateNode> getRegionStateNodes() {<a name="line.546"></a> +<span class="sourceLineNo">547</span> return regionsMap.values();<a name="line.547"></a> +<span class="sourceLineNo">548</span> }<a name="line.548"></a> +<span class="sourceLineNo">549</span><a name="line.549"></a> +<span class="sourceLineNo">550</span> public ArrayList<RegionState> getRegionStates() {<a name="line.550"></a> +<span class="sourceLineNo">551</span> final ArrayList<RegionState> regions = new ArrayList<RegionState>(regionsMap.size());<a name="line.551"></a> +<span class="sourceLineNo">552</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.552"></a> +<span class="sourceLineNo">553</span> regions.add(node.toRegionState());<a name="line.553"></a> +<span class="sourceLineNo">554</span> }<a name="line.554"></a> +<span class="sourceLineNo">555</span> return regions;<a name="line.555"></a> +<span class="sourceLineNo">556</span> }<a name="line.556"></a> +<span class="sourceLineNo">557</span><a name="line.557"></a> +<span class="sourceLineNo">558</span> // ==========================================================================<a name="line.558"></a> +<span class="sourceLineNo">559</span> // RegionState helpers<a name="line.559"></a> +<span class="sourceLineNo">560</span> // ==========================================================================<a name="line.560"></a> +<span class="sourceLineNo">561</span> public RegionState getRegionState(final RegionInfo regionInfo) {<a name="line.561"></a> +<span class="sourceLineNo">562</span> RegionStateNode regionStateNode = getRegionStateNode(regionInfo);<a name="line.562"></a> +<span class="sourceLineNo">563</span> return regionStateNode == null ? null : regionStateNode.toRegionState();<a name="line.563"></a> +<span class="sourceLineNo">564</span> }<a name="line.564"></a> +<span class="sourceLineNo">565</span><a name="line.565"></a> +<span class="sourceLineNo">566</span> public RegionState getRegionState(final String encodedRegionName) {<a name="line.566"></a> +<span class="sourceLineNo">567</span> // TODO: Need a map <encodedName, ...> but it is just dispatch merge...<a name="line.567"></a> +<span class="sourceLineNo">568</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.568"></a> +<span class="sourceLineNo">569</span> if (node.getRegionInfo().getEncodedName().equals(encodedRegionName)) {<a name="line.569"></a> +<span class="sourceLineNo">570</span> return node.toRegionState();<a name="line.570"></a> +<span class="sourceLineNo">571</span> }<a name="line.571"></a> +<span class="sourceLineNo">572</span> }<a name="line.572"></a> +<span class="sourceLineNo">573</span> return null;<a name="line.573"></a> +<span class="sourceLineNo">574</span> }<a name="line.574"></a> +<span class="sourceLineNo">575</span><a name="line.575"></a> +<span class="sourceLineNo">576</span> // ============================================================================================<a name="line.576"></a> +<span class="sourceLineNo">577</span> // TODO: helpers<a name="line.577"></a> +<span class="sourceLineNo">578</span> // ============================================================================================<a name="line.578"></a> +<span class="sourceLineNo">579</span> public boolean hasTableRegionStates(final TableName tableName) {<a name="line.579"></a> +<span class="sourceLineNo">580</span> // TODO<a name="line.580"></a> +<span class="sourceLineNo">581</span> return !getTableRegionStates(tableName).isEmpty();<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> /**<a name="line.584"></a> +<span class="sourceLineNo">585</span> * @return Return online regions of table; does not include OFFLINE or SPLITTING regions.<a name="line.585"></a> +<span class="sourceLineNo">586</span> */<a name="line.586"></a> +<span class="sourceLineNo">587</span> public List<RegionInfo> getRegionsOfTable(final TableName table) {<a name="line.587"></a> +<span class="sourceLineNo">588</span> return getRegionsOfTable(table, false);<a name="line.588"></a> +<span class="sourceLineNo">589</span> }<a name="line.589"></a> +<span class="sourceLineNo">590</span><a name="line.590"></a> +<span class="sourceLineNo">591</span> private HRegionLocation createRegionForReopen(RegionStateNode node) {<a name="line.591"></a> +<span class="sourceLineNo">592</span> synchronized (node) {<a name="line.592"></a> +<span class="sourceLineNo">593</span> if (!include(node, false)) {<a name="line.593"></a> +<span class="sourceLineNo">594</span> return null;<a name="line.594"></a> +<span class="sourceLineNo">595</span> }<a name="line.595"></a> +<span class="sourceLineNo">596</span> if (node.isInState(State.OPEN)) {<a name="line.596"></a> +<span class="sourceLineNo">597</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.597"></a> +<span class="sourceLineNo">598</span> node.getOpenSeqNum());<a name="line.598"></a> +<span class="sourceLineNo">599</span> } else if (node.isInState(State.OPENING)) {<a name="line.599"></a> +<span class="sourceLineNo">600</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), -1);<a name="line.600"></a> +<span class="sourceLineNo">601</span> } else {<a name="line.601"></a> +<span class="sourceLineNo">602</span> return null;<a name="line.602"></a> +<span class="sourceLineNo">603</span> }<a name="line.603"></a> +<span class="sourceLineNo">604</span> }<a name="line.604"></a> +<span class="sourceLineNo">605</span> }<a name="line.605"></a> +<span class="sourceLineNo">606</span><a name="line.606"></a> +<span class="sourceLineNo">607</span> /**<a name="line.607"></a> +<span class="sourceLineNo">608</span> * Get the regions to be reopened when modifying a table.<a name="line.608"></a> +<span class="sourceLineNo">609</span> * <p/><a name="line.609"></a> +<span class="sourceLineNo">610</span> * Notice that the {@code openSeqNum} in the returned HRegionLocation is also used to indicate the<a name="line.610"></a> +<span class="sourceLineNo">611</span> * state of this region, positive means the region is in {@link State#OPEN}, -1 means<a name="line.611"></a> +<span class="sourceLineNo">612</span> * {@link State#OPENING}. And for regions in other states we do not need reopen them.<a name="line.612"></a> +<span class="sourceLineNo">613</span> */<a name="line.613"></a> +<span class="sourceLineNo">614</span> public List<HRegionLocation> getRegionsOfTableForReopen(TableName tableName) {<a name="line.614"></a> +<span class="sourceLineNo">615</span> return getTableRegionStateNodes(tableName).stream().map(this::createRegionForReopen)<a name="line.615"></a> +<span class="sourceLineNo">616</span> .filter(r -> r != null).collect(Collectors.toList());<a name="line.616"></a> +<span class="sourceLineNo">617</span> }<a name="line.617"></a> +<span class="sourceLineNo">618</span><a name="line.618"></a> +<span class="sourceLineNo">619</span> /**<a name="line.619"></a> +<span class="sourceLineNo">620</span> * Check whether the region has been reopened. The meaning of the {@link HRegionLocation} is the<a name="line.620"></a> +<span class="sourceLineNo">621</span> * same with {@link #getRegionsOfTableForReopen(TableName)}.<a name="line.621"></a> +<span class="sourceLineNo">622</span> * <p/><a name="line.622"></a> +<span class="sourceLineNo">623</span> * For a region which is in {@link State#OPEN} before, if the region state is changed or the open<a name="line.623"></a> +<span class="sourceLineNo">624</span> * seq num is changed, we can confirm that it has been reopened.<a name="line.624"></a> +<span class="sourceLineNo">625</span> * <p/><a name="line.625"></a> +<span class="sourceLineNo">626</span> * For a region which is in {@link State#OPENING} before, usually it will be in {@link State#OPEN}<a name="line.626"></a> +<span class="sourceLineNo">627</span> * now and we will schedule a MRP to reopen it. But there are several exceptions:<a name="line.627"></a> +<span class="sourceLineNo">628</span> * <ul><a name="line.628"></a> +<span class="sourceLineNo">629</span> * <li>The region is in state other than {@link State#OPEN} or {@link State#OPENING}.</li><a name="line.629"></a> +<span class="sourceLineNo">630</span> * <li>The location of the region has been changed</li><a name="line.630"></a> +<span class="sourceLineNo">631</span> * </ul><a name="line.631"></a> +<span class="sourceLineNo">632</span> * Of course the region could still be in {@link State#OPENING} state and still on the same<a name="line.632"></a> +<span class="sourceLineNo">633</span> * server, then here we will still return a {@link HRegionLocation} for it, just like<a name="line.633"></a> +<span class="sourceLineNo">634</span> * {@link #getRegionsOfTableForReopen(TableName)}.<a name="line.634"></a> +<span class="sourceLineNo">635</span> * @param oldLoc the previous state/location of this region<a name="line.635"></a> +<span class="sourceLineNo">636</span> * @return null if the region has been reopened, otherwise a new {@link HRegionLocation} which<a name="line.636"></a> +<span class="sourceLineNo">637</span> * means we still need to reopen the region.<a name="line.637"></a> +<span class="sourceLineNo">638</span> * @see #getRegionsOfTableForReopen(TableName)<a name="line.638"></a> +<span class="sourceLineNo">639</span> */<a name="line.639"></a> +<span class="sourceLineNo">640</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.640"></a> +<span class="sourceLineNo">641</span> RegionStateNode node = getRegionStateNode(oldLoc.getRegion());<a name="line.641"></a> +<span class="sourceLineNo">642</span> synchronized (node) {<a name="line.642"></a> +<span class="sourceLineNo">643</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.643"></a> +<span class="sourceLineNo">644</span> // in OPEN state before<a name="line.644"></a> +<span class="sourceLineNo">645</span> if (node.isInState(State.OPEN)) {<a name="line.645"></a> +<span class="sourceLineNo">646</span> if (node.getOpenSeqNum() > oldLoc.getSeqNum()) {<a name="line.646"></a> +<span class="sourceLineNo">647</span> // normal case, the region has been reopened<a name="line.647"></a> +<span class="sourceLineNo">648</span> return null;<a name="line.648"></a> +<span class="sourceLineNo">649</span> } else {<a name="line.649"></a> +<span class="sourceLineNo">650</span> // the open seq num does not change, need to reopen again<a name="line.650"></a> +<span class="sourceLineNo">651</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.651"></a> +<span class="sourceLineNo">652</span> node.getOpenSeqNum());<a name="line.652"></a> +<span class="sourceLineNo">653</span> }<a name="line.653"></a> +<span class="sourceLineNo">654</span> } else {<a name="line.654"></a> +<span class="sourceLineNo">655</span> // the state has been changed so we can make sure that the region has been reopened(not<a name="line.655"></a> +<span class="sourceLineNo">656</span> // finished maybe, but not a problem).<a name="line.656"></a> +<span class="sourceLineNo">657</span> return null;<a name="line.657"></a> +<span class="sourceLineNo">658</span> }<a name="line.658"></a> +<span class="sourceLineNo">659</span> } else {<a name="line.659"></a> +<span class="sourceLineNo">660</span> // in OPENING state before<a name="line.660"></a> +<span class="sourceLineNo">661</span> if (!node.isInState(State.OPEN, State.OPENING)) {<a name="line.661"></a> +<span class="sourceLineNo">662</span> // not in OPEN or OPENING state, then we can make sure that the region has been<a name="line.662"></a> +<span class="sourceLineNo">663</span> // reopened(not finished maybe, but not a problem)<a name="line.663"></a> +<span class="sourceLineNo">664</span> return null;<a name="line.664"></a> +<span class="sourceLineNo">665</span> } else {<a name="line.665"></a> +<span class="sourceLineNo">666</span> if (!node.getRegionLocation().equals(oldLoc.getServerName())) {<a name="line.666"></a> +<span class="sourceLineNo">667</span> // the region has been moved, so we can make sure that the region has been reopened.<a name="line.667"></a> +<span class="sourceLineNo">668</span> return null;<a name="line.668"></a> +<span class="sourceLineNo">669</span> }<a name="line.669"></a> +<span class="sourceLineNo">670</span> // normal case, we are still in OPENING state, or the reopen has been opened and the state<a name="line.670"></a> +<span class="sourceLineNo">671</span> // is changed to OPEN.<a name="line.671"></a> +<span class="sourceLineNo">672</span> long openSeqNum = node.isInState(State.OPEN) ? node.getOpenSeqNum() : -1;<a name="line.672"></a> +<span class="sourceLineNo">673</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<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> }<a name="line.676"></a> +<span class="sourceLineNo">677</span> }<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> * @return Return online regions of table; does not include OFFLINE or SPLITTING regions.<a name="line.680"></a> +<span class="sourceLineNo">681</span> */<a name="line.681"></a> +<span class="sourceLineNo">682</span> public List<RegionInfo> getRegionsOfTable(TableName table, boolean offline) {<a name="line.682"></a> +<span class="sourceLineNo">683</span> return getRegionsOfTable(table, state -> include(state, offline));<a name="line.683"></a> +<span class="sourceLineNo">684</span> }<a name="line.684"></a> +<span class="sourceLineNo">685</span><a name="line.685"></a> +<span class="sourceLineNo">686</span> /**<a name="line.686"></a> +<span class="sourceLineNo">687</span> * @return Return the regions of the table; does not include OFFLINE unless you set<a name="line.687"></a> +<span class="sourceLineNo">688</span> * <code>offline</code> to true. Does not include regions that are in the<a name="line.688"></a> +<span class="sourceLineNo">689</span> * {@link State#SPLIT} state.<a name="line.689"></a> +<span class="sourceLineNo">690</span> */<a name="line.690"></a> +<span class="sourceLineNo">691</span> private List<RegionInfo> getRegionsOfTable(TableName table, Predicate<RegionStateNode> filter) {<a name="line.691"></a> +<span class="sourceLineNo">692</span> return getTableRegionStateNodes(table).stream().filter(filter).map(n -> n.getRegionInfo())<a name="line.692"></a> +<span class="sourceLineNo">693</span> .collect(Collectors.toList());<a name="line.693"></a> +<span class="sourceLineNo">694</span> }<a name="line.694"></a> +<span class="sourceLineNo">695</span><a name="line.695"></a> +<span class="sourceLineNo">696</span> /**<a name="line.696"></a> +<span class="sourceLineNo">697</span> * Utility. Whether to include region in list of regions. Default is to<a name="line.697"></a> +<span class="sourceLineNo">698</span> * weed out split and offline regions.<a name="line.698"></a> +<span class="sourceLineNo">699</span> * @return True if we should include the <code>node</code> (do not include<a name="line.699"></a> +<span class="sourceLineNo">700</span> * if split or offline unless <code>offline</code> is set to true.<a name="line.700"></a> +<span class="sourceLineNo">701</span> */<a name="line.701"></a> +<span class="sourceLineNo">702</span> boolean include(final RegionStateNode node, final boolean offline) {<a name="line.702"></a> +<span class="sourceLineNo">703</span> if (LOG.isTraceEnabled()) {<a name="line.703"></a> +<span class="sourceLineNo">704</span> LOG.trace("WORKING ON " + node + " " + node.getRegionInfo());<a name="line.704"></a> +<span class="sourceLineNo">705</span> }<a name="line.705"></a> +<span class="sourceLineNo">706</span> if (node.isInState(State.SPLIT)) return false;<a name="line.706"></a> +<span class="sourceLineNo">707</span> if (node.isInState(State.OFFLINE) && !offline) return false;<a name="line.707"></a> +<span class="sourceLineNo">708</span> final RegionInfo hri = node.getRegionInfo();<a name="line.708"></a> +<span class="sourceLineNo">709</span> return (!hri.isOffline() && !hri.isSplit()) ||<a name="line.709"></a> +<span class="sourceLineNo">710</span> ((hri.isOffline() || hri.isSplit()) && offline);<a name="line.710"></a> +<span class="sourceLineNo">711</span> }<a name="line.711"></a> +<span class="sourceLineNo">712</span><a name="line.712"></a> +<span class="sourceLineNo">713</span> /**<a name="line.713"></a> +<span class="sourceLineNo">714</span> * Returns the set of regions hosted by the specified server<a name="line.714"></a> +<span class="sourceLineNo">715</span> * @param serverName the server we are interested in<a name="line.715"></a> +<span class="sourceLineNo">716</span> * @return set of RegionInfo hosted by the specified server<a name="line.716"></a> +<span class="sourceLineNo">717</span> */<a name="line.717"></a> +<span class="sourceLineNo">718</span> public List<RegionInfo> getServerRegionInfoSet(final ServerName serverName) {<a name="line.718"></a> +<span class="sourceLineNo">719</span> final ServerStateNode serverInfo = getServerNode(serverName);<a name="line.719"></a> +<span class="sourceLineNo">720</span> if (serverInfo == null) return Collections.emptyList();<a name="line.720"></a> +<span class="sourceLineNo">721</span><a name="line.721"></a> +<span class="sourceLineNo">722</span> synchronized (serverInfo) {<a name="line.722"></a> +<span class="sourceLineNo">723</span> return serverInfo.getRegionInfoList();<a name="line.723"></a> +<span class="sourceLineNo">724</span> }<a name="line.724"></a> +<span class="sourceLineNo">725</span> }<a name="line.725"></a> <span class="sourceLineNo">726</span><a name="line.726"></a> -<span class="sourceLineNo">727</span> private void setServerState(ServerName serverName, ServerState state) {<a name="line.727"></a> -<span class="sourceLineNo">728</span> ServerStateNode serverNode = getOrCreateServer(serverName);<a name="line.728"></a> -<span class="sourceLineNo">729</span> synchronized (serverNode) {<a name="line.729"></a> -<span class="sourceLineNo">730</span> serverNode.setState(state);<a name="line.730"></a> -<span class="sourceLineNo">731</span> }<a name="line.731"></a> -<span class="sourceLineNo">732</span> }<a name="line.732"></a> -<span class="sourceLineNo">733</span><a name="line.733"></a> -<span class="sourceLineNo">734</span> /**<a name="line.734"></a> -<span class="sourceLineNo">735</span> * Call this when we start meta log splitting a crashed Server.<a name="line.735"></a> -<span class="sourceLineNo">736</span> * @see #metaLogSplit(ServerName)<a name="line.736"></a> -<span class="sourceLineNo">737</span> */<a name="line.737"></a> -<span class="sourceLineNo">738</span> public void metaLogSplitting(ServerName serverName) {<a name="line.738"></a> -<span class="sourceLineNo">739</span> setServerState(serverName, ServerState.SPLITTING_META);<a name="line.739"></a> -<span class="sourceLineNo">740</span> }<a name="line.740"></a> -<span class="sourceLineNo">741</span><a name="line.741"></a> -<span class="sourceLineNo">742</span> /**<a name="line.742"></a> -<span class="sourceLineNo">743</span> * Called after we've split the meta logs on a crashed Server.<a name="line.743"></a> -<span class="sourceLineNo">744</span> * @see #metaLogSplitting(ServerName)<a name="line.744"></a> -<span class="sourceLineNo">745</span> */<a name="line.745"></a> -<span class="sourceLineNo">746</span> public void metaLogSplit(ServerName serverName) {<a name="line.746"></a> -<span class="sourceLineNo">747</span> setServerState(serverName, ServerState.SPLITTING_META_DONE);<a name="line.747"></a> -<span class="sourceLineNo">748</span> }<a name="line.748"></a> -<span class="sourceLineNo">749</span><a name="line.749"></a> -<span class="sourceLineNo">750</span> /**<a 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class="sourceLineNo">772</span> }<a name="line.772"></a> -<span class="sourceLineNo">773</span><a name="line.773"></a> -<span class="sourceLineNo">774</span> // ============================================================================================<a name="line.774"></a> -<span class="sourceLineNo">775</span> // TODO:<a name="line.775"></a> -<span class="sourceLineNo">776</span> // ============================================================================================<a name="line.776"></a> -<span class="sourceLineNo">777</span> public List<RegionInfo> getAssignedRegions() {<a name="line.777"></a> -<span class="sourceLineNo">778</span> final List<RegionInfo> result = new ArrayList<RegionInfo>();<a name="line.778"></a> -<span class="sourceLineNo">779</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.779"></a> -<span class="sourceLineNo">780</span> if (!node.isInTransition()) {<a name="line.780"></a> -<span class="sourceLineNo">781</span> result.add(node.getRegionInfo());<a name="line.781"></a> -<span class="sourceLineNo">782</span> }<a name="line.782"></a> -<span class="sourceLineNo">783</span> }<a name="line.783"></a> -<span class="sourceLineNo">784</span> return result;<a name="line.784"></a> -<span class="sourceLineNo">785</span> }<a name="line.785"></a> -<span class="sourceLineNo">786</span><a name="line.786"></a> -<span class="sourceLineNo">787</span> public boolean isRegionInState(final RegionInfo regionInfo, final State... state) {<a name="line.787"></a> -<span class="sourceLineNo">788</span> final RegionStateNode region = getRegionStateNode(regionInfo);<a name="line.788"></a> -<span class="sourceLineNo">789</span> if (region != null) {<a name="line.789"></a> -<span class="sourceLineNo">790</span> synchronized (region) {<a name="line.790"></a> -<span class="sourceLineNo">791</span> return region.isInState(state);<a name="line.791"></a> -<span class="sourceLineNo">792</span> }<a name="line.792"></a> -<span class="sourceLineNo">793</span> }<a name="line.793"></a> -<span class="sourceLineNo">794</span> return false;<a name="line.794"></a> -<span class="sourceLineNo">795</span> }<a name="line.795"></a> -<span class="sourceLineNo">796</span><a name="line.796"></a> -<span class="sourceLineNo">797</span> public boolean isRegionOnline(final RegionInfo regionInfo) {<a name="line.797"></a> -<span class="sourceLineNo">798</span> return isRegionInState(regionInfo, State.OPEN);<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> * @return True if region is offline (In OFFLINE or CLOSED state).<a name="line.802"></a> -<span class="sourceLineNo">803</span> */<a name="line.803"></a> -<span class="sourceLineNo">804</span> public boolean isRegionOffline(final RegionInfo regionInfo) {<a name="line.804"></a> 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-<span class="sourceLineNo">815</span> // TODO: State.OPEN<a name="line.815"></a> -<span class="sourceLineNo">816</span> final ServerName serverName = node.getRegionLocation();<a name="line.816"></a> -<span class="sourceLineNo">817</span> if (serverName == null) continue;<a name="line.817"></a> -<span class="sourceLineNo">818</span><a name="line.818"></a> -<span class="sourceLineNo">819</span> List<RegionInfo> serverRegions = result.get(serverName);<a name="line.819"></a> -<span class="sourceLineNo">820</span> if (serverRegions == null) {<a name="line.820"></a> -<span class="sourceLineNo">821</span> serverRegions = new ArrayList<RegionInfo>();<a name="line.821"></a> -<span class="sourceLineNo">822</span> result.put(serverName, serverRegions);<a name="line.822"></a> -<span class="sourceLineNo">823</span> }<a name="line.823"></a> +<span class="sourceLineNo">727</span> // ============================================================================================<a name="line.727"></a> +<span class="sourceLineNo">728</span> // Split helpers<a name="line.728"></a> +<span class="sourceLineNo">729</span> // These methods will only be called in ServerCrashProcedure, and at the end of SCP we will remove<a name="line.729"></a> +<span class="sourceLineNo">730</span> // the ServerStateNode by calling removeServer.<a name="line.730"></a> +<span class="sourceLineNo">731</span> // ============================================================================================<a name="line.731"></a> +<span class="sourceLineNo">732</span><a name="line.732"></a> +<span class="sourceLineNo">733</span> private void setServerState(ServerName serverName, ServerState state) {<a name="line.733"></a> +<span class="sourceLineNo">734</span> ServerStateNode serverNode = getOrCreateServer(serverName);<a name="line.734"></a> +<span class="sourceLineNo">735</span> synchronized (serverNode) {<a name="line.735"></a> +<span class="sourceLineNo">736</span> serverNode.setState(state);<a name="line.736"></a> +<span class="sourceLineNo">737</span> }<a name="line.737"></a> +<span class="sourceLineNo">738</span> }<a name="line.738"></a> +<span class="sourceLineNo">739</span><a name="line.739"></a> +<span class="sourceLineNo">740</span> /**<a name="line.740"></a> +<span class="sourceLineNo">741</span> * Call this when we start meta log splitting a crashed Server.<a name="line.741"></a> +<span class="sourceLineNo">742</span> * @see #metaLogSplit(ServerName)<a name="line.742"></a> +<span class="sourceLineNo">743</span> */<a name="line.743"></a> +<span class="sourceLineNo">744</span> public void metaLogSplitting(ServerName serverName) {<a name="line.744"></a> +<span class="sourceLineNo">745</span> setServerState(serverName, ServerState.SPLITTING_META);<a name="line.745"></a> +<span class="sourceLineNo">746</span> }<a name="line.746"></a> +<span class="sourceLineNo">747</span><a name="line.747"></a> +<span class="sourceLineNo">748</span> /**<a name="line.748"></a> +<span class="sourceLineNo">749</span> * Called after we've split the meta logs on a crashed Server.<a name="line.749"></a> +<span class="sourceLineNo">750</span> * @see #metaLogSplitting(ServerName)<a name="line.750"></a> +<span class="sourceLineNo">751</span> */<a name="line.751"></a> +<span class="sourceLineNo">752</span> public void metaLogSplit(ServerName serverName) {<a name="line.752"></a> +<span class="sourceLineNo">753</span> setServerState(serverName, ServerState.SPLITTING_META_DONE);<a name="line.753"></a> +<span class="sourceLineNo">754</span> }<a name="line.754"></a> +<span class="sourceLineNo">755</span><a name="line.755"></a> +<span class="sourceLineNo">756</span> /**<a name="line.756"></a> +<span class="sourceLineNo">757</span> * Call this when we start log splitting for a crashed Server.<a name="line.757"></a> +<span class="sourceLineNo">758</span> * @see #logSplit(ServerName)<a name="line.758"></a> +<span class="sourceLineNo">759</span> */<a name="line.759"></a> +<span class="sourceLineNo">760</span> public void logSplitting(final ServerName serverName) {<a name="line.760"></a> +<span class="sourceLineNo">761</span> setServerState(serverName, ServerState.SPLITTING);<a name="line.761"></a> +<span class="sourceLineNo">762</span> }<a name="line.762"></a> +<span class="sourceLineNo">763</span><a name="line.763"></a> +<span class="sourceLineNo">764</span> /**<a name="line.764"></a> +<span class="sourceLineNo">765</span> * Called after we've split all logs on a crashed Server.<a name="line.765"></a> +<span class="sourceLineNo">766</span> * @see #logSplitting(ServerName)<a name="line.766"></a> +<span class="sourceLineNo">767</span> */<a name="line.767"></a> +<span class="sourceLineNo">768</span> public void logSplit(final ServerName serverName) {<a name="line.768"></a> +<span class="sourceLineNo">769</span> setServerState(serverName, ServerState.OFFLINE);<a name="line.769"></a> +<span class="sourceLineNo">770</span> }<a name="line.770"></a> +<span class="sourceLineNo">771</span><a name="line.771"></a> +<span class="sourceLineNo">772</span> @VisibleForTesting<a name="line.772"></a> +<span class="sourceLineNo">773</span> public void updateRegionState(final RegionInfo regionInfo, final State state) {<a name="line.773"></a> +<span class="sourceLineNo">774</span> final RegionStateNode regionNode = getOrCreateRegionStateNode(regionInfo);<a name="line.774"></a> +<span class="sourceLineNo">775</span> synchronized (regionNode) {<a name="line.775"></a> +<span class="sourceLineNo">776</span> regionNode.setState(state);<a name="line.776"></a> +<span class="sourceLineNo">777</span> }<a name="line.777"></a> +<span class="sourceLineNo">778</span> }<a name="line.778"></a> +<span class="sourceLineNo">779</span><a name="line.779"></a> +<span class="sourceLineNo">780</span> // ============================================================================================<a name="line.780"></a> +<span class="sourceLineNo">781</span> // TODO:<a name="line.781"></a> +<span class="sourceLineNo">782</span> // ============================================================================================<a name="line.782"></a> +<span class="sourceLineNo">783</span> public List<RegionInfo> getAssignedRegions() {<a name="line.783"></a> +<span class="sourceLineNo">784</span> final List<RegionInfo> result = new ArrayList<RegionInfo>();<a name="line.784"></a> +<span class="sourceLineNo">785</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.785"></a> +<span class="sourceLineNo">786</span> if (!node.isInTransition()) {<a name="line.786"></a> +<span class="sourceLineNo">787</span> result.add(node.getRegionInfo());<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> return result;<a name="line.790"></a> +<span class="sourceLineNo">791</span> }<a name="line.791"></a> +<span class="sourceLineNo">792</span><a name="line.792"></a> +<span class="sourceLineNo">793</span> public boolean isRegionInState(final RegionInfo regionInfo, final State... state) {<a name="line.793"></a> +<span class="sourceLineNo">794</span> final RegionStateNode region = getRegionStateNode(regionInfo);<a name="line.794"></a> +<span class="sourceLineNo">795</span> if (region != null) {<a name="line.795"></a> +<span class="sourceLineNo">796</span> synchronized (region) {<a name="line.796"></a> +<span class="sourceLineNo">797</span> return region.isInState(state);<a name="line.797"></a> +<span class="sourceLineNo">798</span> }<a name="line.798"></a> +<span class="sourceLineNo">799</span> }<a name="line.799"></a> +<span class="sourceLineNo">800</span> return false;<a name="line.800"></a> +<span class="sourceLineNo">801</span> }<a name="line.801"></a> +<span class="sourceLineNo">802</span><a name="line.802"></a> +<span class="sourceLineNo">803</span> public boolean isRegionOnline(final RegionInfo regionInfo) {<a name="line.803"></a> +<span class="sourceLineNo">804</span> return isRegionInState(regionInfo, State.OPEN);<a name="line.804"></a> +<span class="sourceLineNo">805</span> }<a name="line.805"></a> +<span class="sourceLineNo">806</span><a name="line.806"></a> +<span class="sourceLineNo">807</span> /**<a name="line.807"></a> +<span class="sourceLineNo">808</span> * @return True if region is offline (In OFFLINE or CLOSED state).<a name="line.808"></a> +<span class="sourceLineNo">809</span> */<a name="line.809"></a> +<span class="sourceLineNo">810</span> public boolean isRegionOffline(final RegionInfo regionInfo) {<a name="line.810"></a> +<span class="sourceLineNo">811</span> return isRegionInState(regionInfo, State.OFFLINE, State.CLOSED);<a name="line.811"></a> +<span class="sourceLineNo">812</span> }<a name="line.812"></a> +<span class="sourceLineNo">813</span><a name="line.813"></a> +<span class="sourceLineNo">814</span> public Map<ServerName, List<RegionInfo>> getSnapShotOfAssignment(<a name="line.814"></a> +<span class="sourceLineNo">815</span> final Collection<RegionInfo> regions) {<a name="line.815"></a> +<span class="sourceLineNo">816</span> final Map<ServerName, List<RegionInfo>> result = new HashMap<ServerName, List<RegionInfo>>();<a name="line.816"></a> +<span class="sourceLineNo">817</span> for (RegionInfo hri: regions) {<a name="line.817"></a> +<span class="sourceLineNo">818</span> final RegionStateNode node = getRegionStateNode(hri);<a name="line.818"></a> +<span class="sourceLineNo">819</span> if (node == null) continue;<a name="line.819"></a> +<span class="sourceLineNo">820</span><a name="line.820"></a> +<span class="sourceLineNo">821</span> // TODO: State.OPEN<a name="line.821"></a> +<span class="sourceLineNo">822</span> final ServerName serverName = node.getRegionLocation();<a name="line.822"></a> +<span class="sourceLineNo">823</span> if (serverName == null) continue;<a name="line.823"></a> <span class="sourceLineNo">824</span><a name="line.824"></a> -<span class="sourceLineNo">825</span> serverRegions.add(node.getRegionInfo());<a name="line.825"></a> -<span class="sourceLineNo">826</span> }<a name="line.826"></a> -<span class="sourceLineNo">827</span> return result;<a name="line.827"></a> -<span class="sourceLineNo">828</span> }<a name="line.828"></a> -<span class="sourceLineNo">829</span><a name="line.829"></a> -<span class="sourceLineNo">830</span> public Map<RegionInfo, ServerName> getRegionAssignments() {<a name="line.830"></a> -<span class="sourceLineNo">831</span> final HashMap<RegionInfo, ServerName> assignments = new HashMap<RegionInfo, ServerName>();<a name="line.831"></a> -<span class="sourceLineNo">832</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.832"></a> -<span class="sourceLineNo">833</span> assignments.put(node.getRegionInfo(), node.getRegionLocation());<a name="line.833"></a> -<span class="sourceLineNo">834</span> }<a name="line.834"></a> -<span class="sourceLineNo">835</span> return assignments;<a name="line.835"></a> -<span class="sourceLineNo">836</span> }<a name="line.836"></a> -<span class="sourceLineNo">837</span><a name="line.837"></a> -<span class="sourceLineNo">838</span> public Map<RegionState.State, List<RegionInfo>> getRegionByStateOfTable(TableName tableName) {<a name="line.838"></a> -<span class="sourceLineNo">839</span> final State[] states = State.values();<a name="line.839"></a> -<span class="sourceLineNo">840</span> final Map<RegionState.State, List<RegionInfo>> tableRegions =<a name="line.840"></a> -<span class="sourceLineNo">841</span> new HashMap<State, List<RegionInfo>>(states.length);<a name="line.841"></a> -<span class="sourceLineNo">842</span> for (int i = 0; i < states.length; ++i) {<a name="line.842"></a> -<span class="sourceLineNo">843</span> tableRegions.put(states[i], new ArrayList<RegionInfo>());<a name="line.843"></a> -<span class="sourceLineNo">844</span> }<a name="line.844"></a> -<span class="sourceLineNo">845</span><a name="line.845"></a> -<span class="sourceLineNo">846</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.846"></a> -<span class="sourceLineNo">847</span> if (node.getTable().equals(tableName)) {<a name="line.847"></a> -<span class="sourceLineNo">848</span> tableRegions.get(node.getState()).add(node.getRegionInfo());<a name="line.848"></a> -<span class="sourceLineNo">849</span> }<a name="line.849"></a> +<span class="sourceLineNo">825</span> List<RegionInfo> serverRegions = result.get(serverName);<a name="line.825"></a> +<span class="sourceLineNo">826</span> if (serverRegions == null) {<a name="line.826"></a> +<span class="sourceLineNo">827</span> serverRegions = new ArrayList<RegionInfo>();<a name="line.827"></a> +<span class="sourceLineNo">828</span> result.put(serverName, serverRegions);<a name="line.828"></a> +<span class="sourceLineNo">829</span> }<a name="line.829"></a> +<span class="sourceLineNo">830</span><a name="line.830"></a> +<span class="sourceLineNo">831</span> serverRegions.add(node.getRegionInfo());<a name="line.831"></a> +<span class="sourceLineNo">832</span> }<a name="line.832"></a> +<span class="sourceLineNo">833</span> return result;<a name="line.833"></a> +<span class="sourceLineNo">834</span> }<a name="line.834"></a> +<span class="sourceLineNo">835</span><a name="line.835"></a> +<span class="sourceLineNo">836</span> public Map<RegionInfo, ServerName> getRegionAssignments() {<a name="line.836"></a> +<span class="sourceLineNo">837</span> final HashMap<RegionInfo, ServerName> assignments = new HashMap<RegionInfo, ServerName>();<a name="line.837"></a> +<span class="sourceLineNo">838</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.838"></a> +<span class="sourceLineNo">839</span> assignments.put(node.getRegionInfo(), node.getRegionLocation());<a name="line.839"></a> +<span class="sourceLineNo">840</span> }<a name="line.840"></a> +<span class="sourceLineNo">841</span> return assignments;<a name="line.841"></a> +<span class="sourceLineNo">842</span> }<a name="line.842"></a> +<span class="sourceLineNo">843</span><a name="line.843"></a> +<span class="sourceLineNo">844</span> public Map<RegionState.State, List<RegionInfo>> getRegionByStateOfTable(TableName tableName) {<a name="line.844"></a> +<span class="sourceLineNo">845</span> final State[] states = State.values();<a name="line.845"></a> +<span class="sourceLineNo">846</span> final Map<RegionState.State, List<RegionInfo>> tableRegions =<a name="line.846"></a> +<span class="sourceLineNo">847</span> new HashMap<State, List<RegionInfo>>(states.length);<a name="line.847"></a> +<span class="sourceLineNo">848</span> for (int i = 0; i < states.length; ++i) {<a name="line.848"></a> +<span class="sourceLineNo">849</span> tableRegions.put(states[i], new ArrayList<RegionInfo>());<a name="line.849"></a> <span class="sourceLineNo">850</span> }<a 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name="line.861"></a> -<span class="sourceLineNo">862</span> return null;<a name="line.862"></a> -<span class="sourceLineNo">863</span> }<a name="line.863"></a> -<span class="sourceLineNo">864</span><a name="line.864"></a> -<span class="sourceLineNo">865</span> /**<a name="line.865"></a> -<span class="sourceLineNo">866</span> * This is an EXPENSIVE clone. Cloning though is the safest thing to do.<a name="line.866"></a> -<span class="sourceLineNo">867</span> * Can't let out original since it can change and at least the load balancer<a name="line.867"></a> -<span class="sourceLineNo">868</span> * wants to iterate this exported list. We need to synchronize on regions<a name="line.868"></a> -<span class="sourceLineNo">869</span> * since all access to this.servers is under a lock on this.regions.<a name="line.869"></a> -<span class="sourceLineNo">870</span> * @param forceByCluster a flag to force to aggregate the server-load to the cluster level<a name="line.870"></a> -<span class="sourceLineNo">871</span> * @return A clone of current assignments by table.<a name="line.871"></a> -<span class="sourceLineNo">872</span> */<a name="line.872"></a> -<span class="sourceLineNo">873</span> public Map<TableName, Map<ServerName, List<RegionInfo>>> getAssignmentsByTable(<a name="line.873"></a> -<span class="sourceLineNo">874</span> final boolean forceByCluster) {<a name="line.874"></a> -<span class="sourceLineNo">875</span> if (!forceByCluster) return getAssignmentsByTable();<a name="line.875"></a> -<span class="sourceLineNo">876</span><a name="line.876"></a> -<span class="sourceLineNo">877</span> final HashMap<ServerName, List<RegionInfo>> ensemble =<a name="line.877"></a> -<span class="sourceLineNo">878</span> new HashMap<ServerName, List<RegionInfo>>(serverMap.size());<a name="line.878"></a> -<span class="sourceLineNo">879</span> for (ServerStateNode serverNode: serverMap.values()) {<a name="line.879"></a> -<span class="sourceLineNo">880</span> ensemble.put(serverNode.getServerName(), serverNode.getRegionInfoList());<a name="line.880"></a> -<span class="sourceLineNo">881</span> }<a name="line.881"></a> +<span class="sourceLineNo">851</span><a name="line.851"></a> +<span class="sourceLineNo">852</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.852"></a> +<span class="sourceLineNo">853</span> if (node.getTable().equals(tableName)) {<a name="line.853"></a> +<span class="sourceLineNo">854</span> tableRegions.get(node.getState()).add(node.getRegionInfo());<a name="line.854"></a> +<span class="sourceLineNo">855</span> }<a name="line.855"></a> +<span class="sourceLineNo">856</span> }<a name="line.856"></a> +<span class="sourceLineNo">857</span> return tableRegions;<a name="line.857"></a> +<span class="sourceLineNo">858</span> }<a name="line.858"></a> +<span class="sourceLineNo">859</span><a name="line.859"></a> +<span class="sourceLineNo">860</span> public ServerName getRegionServerOfRegion(final RegionInfo regionInfo) {<a name="line.860"></a> +<span class="sourceLineNo">861</span> final RegionStateNode region = getRegionStateNode(regionInfo);<a name="line.861"></a> +<span class="sourceLineNo">862</span> if (region != null) {<a name="line.862"></a> +<span class="sourceLineNo">863</span> synchronized (region) {<a name="line.863"></a> +<span class="sourceLineNo">864</span> ServerName server = region.getRegionLocation();<a name="line.864"></a> +<span class="sourceLineNo">865</span> return server != null ? server : region.getLastHost();<a name="line.865"></a> +<span class="sourceLineNo">866</span> }<a name="line.866"></a> +<span class="sourceLineNo">867</span> }<a name="line.867"></a> +<span class="sourceLineNo">868</span> return null;<a name="line.868"></a> +<span class="sourceLineNo">869</span> }<a name="line.869"></a> +<span class="sourceLineNo">870</span><a name="line.870"></a> +<span class="sourceLineNo">871</span> /**<a name="line.871"></a> +<span class="sourceLineNo">872</span> * This is an EXPENSIVE clone. Cloning though is the safest thing to do.<a name="line.872"></a> +<span class="sourceLineNo">873</span> * Can't let out original since it can change and at least the load balancer<a name="line.873"></a> +<span class="sourceLineNo">874</span> * wants to iterate this exported list. 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Collections.singletonMap(HConstants.ENSEMBLE_TABLE_NAME, ensemble)?<a name="line.883"></a> -<span class="sourceLineNo">884</span> final Map<TableName, Map<ServerName, List<RegionInfo>>> result =<a name="line.884"></a> -<span class="sourceLineNo">885</span> new HashMap<TableName, Map<ServerName, List<RegionInfo>>>(1);<a name="line.885"></a> -<span class="sourceLineNo">886</span> result.put(HConstants.ENSEMBLE_TABLE_NAME, ensemble);<a name="line.886"></a> -<span class="sourceLineNo">887</span> return result;<a name="line.887"></a> -<span class="sourceLineNo">888</span> }<a name="line.888"></a> -<span class="sourceLineNo">889</span><a name="line.889"></a> -<span class="sourceLineNo">890</span> public Map<TableName, Map<ServerName, List<RegionInfo>>> getAssignmentsByTable() {<a name="line.890"></a> -<span class="sourceLineNo">891</span> final Map<TableName, Map<ServerName, List<RegionInfo>>> result = new HashMap<>();<a name="line.891"></a> -<span class="sourceLineNo">892</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.892"></a> -<span class="sourceLineNo">893</span> Map<ServerName, List<RegionInfo>> tableResult = result.get(node.getTable());<a name="line.893"></a> -<span class="sourceLineNo">894</span> if (tableResult == null) {<a name="line.894"></a> -<span class="sourceLineNo">895</span> tableResult = new HashMap<ServerName, List<RegionInfo>>();<a name="line.895"></a> -<span class="sourceLineNo">896</span> result.put(node.getTable(), tableResult);<a name="line.896"></a> -<span class="sourceLineNo">897</span> }<a name="line.897"></a> -<span class="sourceLineNo">898</span><a name="line.898"></a> -<span class="sourceLineNo">899</span> final ServerName serverName = node.getRegionLocation();<a name="line.899"></a> -<span class="sourceLineNo">900</span> if (serverName == null) {<a name="line.900"></a> -<span class="sourceLineNo">901</span> LOG.info("Skipping, no server for " + node);<a name="line.901"></a> -<span class="sourceLineNo">902</span> continue;<a name="line.902"></a> +<span class="sourceLineNo">883</span> final HashMap<ServerName, List<RegionInfo>> ensemble =<a name="line.883"></a> +<span class="sourceLineNo">884</span> new HashMap<ServerName, List<RegionInfo>>(serverMap.size());<a name="line.884"></a> +<span class="sourceLineNo">885</span> for (ServerStateNode serverNode: serverMap.values()) {<a name="line.885"></a> +<span class="sourceLineNo">886</span> ensemble.put(serverNode.getServerName(), serverNode.getRegionInfoList());<a name="line.886"></a> +<span class="sourceLineNo">887</span> }<a name="line.887"></a> +<span class="sourceLineNo">888</span><a name="line.888"></a> +<span class="sourceLineNo">889</span> // TODO: can we use Collections.singletonMap(HConstants.ENSEMBLE_TABLE_NAME, ensemble)?<a name="line.889"></a> +<span class="sourceLineNo">890</span> final Map<TableName, Map<ServerName, List<RegionInfo>>> result =<a name="line.890"></a> +<span class="sourceLineNo">891</span> new HashMap<TableName, Map<ServerName, List<RegionInfo>>>(1);<a name="line.891"></a> +<span class="sourceLineNo">892</span> result.put(HConstants.ENSEMBLE_TABLE_NAME, ensemble);<a name="line.892"></a> +<span class="sourceLineNo">893</span> return result;<a name="line.893"></a> +<span class="sourceLineNo">894</span> }<a name="line.894"></a> +<span class="sourceLineNo">895</span><a name="line.895"></a> +<span class="sourceLineNo">896</span> public Map<TableName, Map<ServerName, List<RegionInfo>>> getAssignmentsByTable() {<a name="line.896"></a> +<span class="sourceLineNo">897</span> final Map<TableName, Map<ServerName, List<RegionInfo>>> result = new HashMap<>();<a name="line.897"></a> +<span class="sourceLineNo">898</span> for (RegionStateNode node: regionsMap.values()) {<a name="line.898"></a> +<span class="sourceLineNo">899</span> Map<ServerName, List<RegionInfo>> tableResult = result.get(node.getTable());<a name="line.899"></a> +<span class="sourceLineNo">900</span> if (tableResult == null) {<a name="line.900"></a> +<span class="sourceLineNo">901</span> tableResult = new HashMap<ServerName, List<RegionInfo>>();<a name="line.901"></a> +<span class="sourceLineNo">902</span> result.put(node.getTable(), tableResult);<a name="line.902"></a> <span class="sourceLineNo">903</span> }<a name="line.903"></a> -<span class="sourceLineNo">904</span> List<RegionInfo> serverResult = tableResult.get(serverName);<a name="line.904"></a> -<span class="sourceLineNo">905</span> if (serverResult == null) {<a name="line.905"></a> -<span class="sourceLineNo">906</span> serverResult = new ArrayList<RegionInfo>();<a name="line.906"></a> -<span class="sourceLineNo">907</span> tableResult.put(serverName, serverResult);<a name="line.907"></a> -<span class="sourceLineNo">908</span> }<a name="line.908"></a> -<span class="sourceLineNo">909</span><a name="line.909"></a> -<span class="sourceLineNo">910</span> serverResult.add(node.getRegionInfo());<a name="line.910"></a> -<span class="sourceLineNo">911</span> }<a name="line.911"></a> -<span class="sourceLineNo">912</span> // Add online servers with no assignment for the table.<a name="line.912"></a> -<span class="sourceLineNo">913</span> for (Map<ServerName, List<RegionInfo>> table: result.values()) {<a name="line.913"></a> -<span class="sourceLineNo">914</span> for (ServerName svr : serverMap.keySet()) {<a name="line.914"></a> -<span class="sourceLineNo">915</span> if (!table.containsKey(svr)) {<a name="line.915"></a> -<span class="sourceLineNo">916</span> table.put(svr, new ArrayList<RegionInfo>());<a name="line.916"></a> -<span class="sourceLineNo">917</span> }<a name="line.917"></a> -<span class="sourceLineNo">918</span> }<a name="line.918"></a> -<span class="sourceLineNo">919</span> }<a name="line.919"></a> -<span class="sourceLineNo">920</span> return result;<a name="line.920"></a> -<span class="sourceLineNo">921</span> }<a name="line.921"></a> -<span class="sourceLineNo">922</span><a name="line.922"></a> -<span class="sourceLineNo">923</span> // ==========================================================================<a name="line.923"></a> -<span class="sourceLineNo">924</span> // Region in transition helpers<a name="line.924"></a> -<span class="sourceLineNo">925</span> // ==========================================================================<a name="line.925"></a> -<span class="sourceLineNo">926</span> protected boolean addRegionInTransition(final RegionStateNode regionNode,<a name="line.926"></a> -<span class="sourceLineNo">927</span> final RegionTransitionProcedure procedure) {<a name="line.927"></a> -<span class="sourceLineNo">928</span> if (procedure != null && !regionNode.setProcedure(procedure)) return false;<a name="line.928"></a> -<span class="sourceLineNo">929</span><a name="line.929"></a> -<span class="sourceLineNo">930</span> regionInTransition.put(regionNode.getRegionInfo(), regionNode);<a name="line.930"></a> -<span class="sourceLineNo">931</span> return true;<a name="line.931"></a> -<span class="sourceLineNo">932</span> }<a name="line.932"></a> -<span class="sourceLineNo">933</span><a name="line.933"></a> -<span class="sourceLineNo">934</span> protected void removeRegionInTransition(final RegionStateNode regionNode,<a name="line.934"></a> -<span class="sourceLineNo">935</span> final RegionTransitionProcedure procedure) {<a name="line.935"></a> -<span class="sourceLineNo">936</span> regionInTransition.remove(regionNode.getRegionInfo());<a name="line.936"></a> -<span class="sourceLineNo">937</span> regionNode.unsetProcedure(procedure);<a name="line.937"></a> +<span class="sourceLineNo">904</span><a name="line.904"></a> +<span class="sourceLineNo">905</span> final ServerName serverName = node.getRegionLocation();<a name="line.905"></a> +<span class="sourceLineNo">906</span> if (serverName == null) {<a name="line.906"></a> +<span class="sourceLineNo">907</span> LOG.info("Skipping, no server for " + node);<a name="line.907"></a> +<span class="sourceLineNo">908</span> continue;<a name="line.908"></a> +<span class="sourceLineNo">909</span> }<a name="line.909"></a> +<span class="sourceLineNo">910</span> List<RegionInfo> serverResult = tableResult.get(serverName);<a name="line.910"></a> +<span class="sourceLineNo">911</span> if (serverResult == null) {<a name="line.911"></a> +<span class="sourceLineNo">912</span> serverResult = new ArrayList<RegionInfo>();<a name="line.912"></a> +<span class="sourceLineNo">913</span> tableResult.put(serverName, serverResult);<a name="line.913"></a> +<span class="sourceLineNo">914</span> }<a name="line.914"></a> +<span class="sourceLineNo">915</span><a name="line.915"></a> +<span class="sourceLineNo">916</span> serverResult.add(node.getRegionInfo());<a name="line.916"></a> +<span class="sourceLineNo">917</span> }<a name="line.917"></a> +<span class="sourceLineNo">918</span> // Add online servers with no assignment for the table.<a name="line.918"></a> +<span class="sourceLineNo">919</span> for (Map<ServerName, List<RegionInfo>> table: result.values()) {<a name="line.919"></a> +<span class="sourceLineNo">920</span> for (ServerName svr : serverMap.keySet()) {<a name="line.920"></a> +<span class="sourceLineNo">921</span> if (!table.containsKey(svr)) {<a name="line.921"></a> +<span class="sourceLineNo">922</span> table.put(svr, new ArrayList<RegionInfo>());<a name="line.922"></a> +<span class="sourceLineNo">923</span> }<a name="line.923"></a> +<span class="sourceLineNo">924</span> }<a name="line.924"></a> +<span class="sourceLineNo">925</span> }<a name="line.925"></a> +<span class="sourceLineNo">926</span> return result;<a name="line.926"></a> +<span class="sourceLineNo">927</span> }<a name="line.927"></a> +<span class="sourceLineNo">928</span><a name="line.928"></a> +<span class="sourceLineNo">929</span> // ==========================================================================<a name="line.929"></a> +<span class="sourceLineNo">930</span> // Region in transition helpers<a name="line.930"></a> +<span class="sourceLineNo">931</span> // ==========================================================================<a name="line.931"></a> +<span class="sourceLineNo">932</span> protected boolean addRegionInTransition(final RegionStateNode regionNode,<a name="line.932"></a> +<span class="sourceLineNo">933</span> final RegionTransitionProcedure procedure) {<a name="line.933"></a> +<span class="sourceLineNo">934</span> if (procedure != null && !regionNode.setProcedure(procedure)) return false;<a name="line.934"></a> +<span class="sourceLineNo">935</span><a name="line.935"></a> +<span class="sourceLineNo">936</span> regionInTransition.put(regionNode.getRegionInfo(), regionNode);<a name="line.936"></a> +<span class="sourceLineNo">937</span> return true;<a name="line.937"></a> <span class="sourceLineNo">938</span> }<a name="line.938"></a> <span class="sourceLineNo">939</span><a name="line.939"></a> -<span 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<TRUNCATED>
