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JBPM-6590 - Isolation of Quartz scheduler / triggers per kjar (#1062)
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149 changes: 149 additions & 0 deletions
149
...main/java/org/jbpm/process/core/timer/impl/quartz/DeploymentsAwarePostgreSQLDelegate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /* | ||
| * Copyright 2017 Red Hat, Inc. and/or its affiliates. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.jbpm.process.core.timer.impl.quartz; | ||
|
|
||
| import java.math.BigDecimal; | ||
| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| import org.quartz.impl.jdbcjobstore.PostgreSQLDelegate; | ||
| import org.quartz.utils.Key; | ||
| import org.slf4j.Logger; | ||
|
|
||
| public class DeploymentsAwarePostgreSQLDelegate extends PostgreSQLDelegate { | ||
|
|
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| private QuartzUtils quartzUtils = new QuartzUtils(); | ||
|
|
||
| public DeploymentsAwarePostgreSQLDelegate(Logger log, String tablePrefix, String instanceId, Boolean useProperties) { | ||
| super(log, tablePrefix, instanceId, useProperties); | ||
| } | ||
|
|
||
| public DeploymentsAwarePostgreSQLDelegate(Logger log, String tablePrefix, String instanceId) { | ||
| super(log, tablePrefix, instanceId); | ||
| } | ||
|
|
||
| @Override | ||
| public List selectTriggerToAcquire(Connection conn, long noLaterThan, long noEarlierThan) throws SQLException { | ||
| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
| List nextTriggers = new LinkedList(); | ||
| try { | ||
| List<String> deploymentIds = quartzUtils.getDeployments(); | ||
| ps = conn.prepareStatement(rtp(quartzUtils.nextTriggerQuery(deploymentIds))); | ||
|
|
||
| // Try to give jdbc driver a hint to hopefully not pull over | ||
| // more than the few rows we actually need. | ||
| ps.setFetchSize(5); | ||
| ps.setMaxRows(5); | ||
|
|
||
| ps.setString(1, STATE_WAITING); | ||
| ps.setBigDecimal(2, new BigDecimal(String.valueOf(noLaterThan))); | ||
| ps.setBigDecimal(3, new BigDecimal(String.valueOf(noEarlierThan))); | ||
| int index = 4; | ||
| for (String deployment : deploymentIds) { | ||
| ps.setString(index++, deployment); | ||
| } | ||
|
|
||
| rs = ps.executeQuery(); | ||
|
|
||
| while (rs.next() && nextTriggers.size() < 5) { | ||
| nextTriggers.add(new Key( | ||
| rs.getString(COL_TRIGGER_NAME), | ||
| rs.getString(COL_TRIGGER_GROUP))); | ||
| } | ||
|
|
||
| return nextTriggers; | ||
| } finally { | ||
| closeResultSet(rs); | ||
| closeStatement(ps); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public int countMisfiredTriggersInStates(Connection conn, String state1, String state2, long ts) throws SQLException { | ||
| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
|
|
||
| try { | ||
| List<String> deploymentIds = quartzUtils.getDeployments(); | ||
|
|
||
| ps = conn.prepareStatement(rtp(quartzUtils.countMisfiredTriggersQuery(deploymentIds))); | ||
| ps.setBigDecimal(1, new BigDecimal(String.valueOf(ts))); | ||
| ps.setString(2, state1); | ||
| ps.setString(3, state2); | ||
| int index = 4; | ||
| for (String deployment : deploymentIds) { | ||
| ps.setString(index++, deployment); | ||
| } | ||
| rs = ps.executeQuery(); | ||
|
|
||
| if (rs.next()) { | ||
| return rs.getInt(1); | ||
| } | ||
|
|
||
| throw new SQLException("No misfired trigger count returned."); | ||
| } finally { | ||
| closeResultSet(rs); | ||
| closeStatement(ps); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public boolean selectMisfiredTriggersInStates(Connection conn, | ||
| String state1, | ||
| String state2, | ||
| long ts, | ||
| int count, | ||
| List resultList) throws SQLException { | ||
| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
|
|
||
| try { | ||
| List<String> deploymentIds = quartzUtils.getDeployments(); | ||
|
|
||
| ps = conn.prepareStatement(rtp(quartzUtils.misfiredTriggersQuery(deploymentIds))); | ||
| ps.setBigDecimal(1, new BigDecimal(String.valueOf(ts))); | ||
| ps.setString(2, state1); | ||
| ps.setString(3, state2); | ||
| int index = 4; | ||
| for (String deployment : deploymentIds) { | ||
| ps.setString(index++, deployment); | ||
| } | ||
| rs = ps.executeQuery(); | ||
|
|
||
| boolean hasReachedLimit = false; | ||
| while (rs.next() && (hasReachedLimit == false)) { | ||
| if (resultList.size() == count) { | ||
| hasReachedLimit = true; | ||
| } else { | ||
| String triggerName = rs.getString(COL_TRIGGER_NAME); | ||
| String groupName = rs.getString(COL_TRIGGER_GROUP); | ||
| resultList.add(new Key(triggerName, groupName)); | ||
| } | ||
| } | ||
|
|
||
| return hasReachedLimit; | ||
| } finally { | ||
| closeResultSet(rs); | ||
| closeStatement(ps); | ||
| } | ||
| } | ||
| } |
147 changes: 147 additions & 0 deletions
147
...rc/main/java/org/jbpm/process/core/timer/impl/quartz/DeploymentsAwareStdJDBCDelegate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * Copyright 2017 Red Hat, Inc. and/or its affiliates. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.jbpm.process.core.timer.impl.quartz; | ||
|
|
||
| import java.math.BigDecimal; | ||
| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| import org.quartz.impl.jdbcjobstore.StdJDBCDelegate; | ||
| import org.quartz.utils.Key; | ||
| import org.slf4j.Logger; | ||
|
|
||
|
|
||
| public class DeploymentsAwareStdJDBCDelegate extends StdJDBCDelegate { | ||
|
|
||
| private QuartzUtils quartzUtils = new QuartzUtils(); | ||
|
|
||
| public DeploymentsAwareStdJDBCDelegate(Logger logger, String tablePrefix, String instanceId, Boolean useProperties) { | ||
| super(logger, tablePrefix, instanceId, useProperties); | ||
| } | ||
|
|
||
| public DeploymentsAwareStdJDBCDelegate(Logger logger, String tablePrefix, String instanceId) { | ||
| super(logger, tablePrefix, instanceId); | ||
| } | ||
|
|
||
| @Override | ||
| public List selectTriggerToAcquire(Connection conn, long noLaterThan, long noEarlierThan) | ||
| throws SQLException { | ||
| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
| List nextTriggers = new LinkedList(); | ||
| try { | ||
| List<String> deploymentIds = quartzUtils.getDeployments(); | ||
| ps = conn.prepareStatement(rtp(quartzUtils.nextTriggerQuery(deploymentIds))); | ||
|
|
||
| // Try to give jdbc driver a hint to hopefully not pull over | ||
| // more than the few rows we actually need. | ||
| ps.setFetchSize(5); | ||
| ps.setMaxRows(5); | ||
|
|
||
| ps.setString(1, STATE_WAITING); | ||
| ps.setBigDecimal(2, new BigDecimal(String.valueOf(noLaterThan))); | ||
| ps.setBigDecimal(3, new BigDecimal(String.valueOf(noEarlierThan))); | ||
| int index = 4; | ||
| for (String deployment : deploymentIds) { | ||
| ps.setString(index++, deployment); | ||
| } | ||
|
|
||
| rs = ps.executeQuery(); | ||
|
|
||
| while (rs.next() && nextTriggers.size() < 5) { | ||
| nextTriggers.add(new Key( | ||
| rs.getString(COL_TRIGGER_NAME), | ||
| rs.getString(COL_TRIGGER_GROUP))); | ||
| } | ||
|
|
||
| return nextTriggers; | ||
| } finally { | ||
| closeResultSet(rs); | ||
| closeStatement(ps); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public int countMisfiredTriggersInStates(Connection conn, String state1, String state2, long ts) throws SQLException { | ||
| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
|
|
||
| try { | ||
| List<String> deploymentIds = quartzUtils.getDeployments(); | ||
|
|
||
| ps = conn.prepareStatement(rtp(quartzUtils.countMisfiredTriggersQuery(deploymentIds))); | ||
| ps.setBigDecimal(1, new BigDecimal(String.valueOf(ts))); | ||
| ps.setString(2, state1); | ||
| ps.setString(3, state2); | ||
| int index = 4; | ||
| for (String deployment : deploymentIds) { | ||
| ps.setString(index++, deployment); | ||
| } | ||
| rs = ps.executeQuery(); | ||
|
|
||
| if (rs.next()) { | ||
| return rs.getInt(1); | ||
| } | ||
|
|
||
| throw new SQLException("No misfired trigger count returned."); | ||
| } finally { | ||
| closeResultSet(rs); | ||
| closeStatement(ps); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public boolean selectMisfiredTriggersInStates(Connection conn, String state1, String state2, | ||
| long ts, int count, List resultList) throws SQLException { | ||
| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
|
|
||
| try { | ||
| List<String> deploymentIds = quartzUtils.getDeployments(); | ||
|
|
||
| ps = conn.prepareStatement(rtp(quartzUtils.misfiredTriggersQuery(deploymentIds))); | ||
| ps.setBigDecimal(1, new BigDecimal(String.valueOf(ts))); | ||
| ps.setString(2, state1); | ||
| ps.setString(3, state2); | ||
| int index = 4; | ||
| for (String deployment : deploymentIds) { | ||
| ps.setString(index++, deployment); | ||
| } | ||
| rs = ps.executeQuery(); | ||
|
|
||
| boolean hasReachedLimit = false; | ||
| while (rs.next() && (hasReachedLimit == false)) { | ||
| if (resultList.size() == count) { | ||
| hasReachedLimit = true; | ||
| } else { | ||
| String triggerName = rs.getString(COL_TRIGGER_NAME); | ||
| String groupName = rs.getString(COL_TRIGGER_GROUP); | ||
| resultList.add(new Key(triggerName, groupName)); | ||
| } | ||
| } | ||
|
|
||
| return hasReachedLimit; | ||
| } finally { | ||
| closeResultSet(rs); | ||
| closeStatement(ps); | ||
| } | ||
| } | ||
| } |
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