com.github.endoscope.storage.jdbc.JdbcStorage Maven / Gradle / Ivy
package com.github.endoscope.storage.jdbc;
import com.github.endoscope.core.Stat;
import com.github.endoscope.core.Stats;
import com.github.endoscope.storage.Filters;
import com.github.endoscope.storage.StatDetails;
import com.github.endoscope.storage.Storage;
import com.github.endoscope.storage.jdbc.dto.GroupEntity;
import com.github.endoscope.storage.jdbc.dto.StatEntity;
import com.github.endoscope.storage.jdbc.handler.GroupEntityHandler;
import com.github.endoscope.storage.jdbc.handler.StatEntityHandler;
import com.github.endoscope.storage.jdbc.handler.StringHandler;
import org.slf4j.Logger;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import static com.github.endoscope.storage.jdbc.ListUtil.emptyIfNull;
import static java.util.Collections.singletonList;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toMap;
import static org.apache.commons.lang3.StringUtils.isNotBlank;
import static org.apache.commons.lang3.time.DateUtils.setMilliseconds;
import static org.slf4j.LoggerFactory.getLogger;
public class JdbcStorage implements Storage {
private static final Logger log = getLogger(JdbcStorage.class);
private QueryRunnerExt run;
private GroupEntityHandler groupHandler = new GroupEntityHandler();
private StatEntityHandler statHandler = new StatEntityHandler();
private StringHandler stringHandler = new StringHandler();
private String tablePrefix = "";
public JdbcStorage setTablePrefix(String tablePrefix){
this.tablePrefix = tablePrefix;
return this;
}
/**
* Accepts following input parameters:
* - class name of your com.github.endoscope.storage.jdbc.DataSourceProvider implementation
* - JDBC connection string for com.github.endoscope.basic.ds.BasicDataSourceProvider
* (if included on class path)
* - JNDI name of DataSource object
* @param initParam
*/
@Override
public void setup(String initParam) {
DataSource ds = DataSourceHelper.findDatasource(initParam);
if( ds == null ){
throw new IllegalStateException("Cannot setup storage without DataSource");
}
run = new QueryRunnerExt(ds);
}
public QueryRunnerExt getRun() {
return run;
}
public void setRun(QueryRunnerExt run) {
this.run = run;
}
@Override
public String save(Stats stats, String instance, String type) {
return replace(null, stats, instance, type);
}
@Override
public String replace(String statsId, Stats stats, String instance, String type) {
try{
try(Connection conn = run.getDataSource().getConnection()){
conn.setAutoCommit(false);
try{
if( isNotBlank(statsId) ){
run.update(conn, "DELETE FROM "+tablePrefix+"endoscopeStat WHERE groupId = ? ", statsId);
run.update(conn, "DELETE FROM "+tablePrefix+"endoscopeGroup WHERE id = ? ", statsId);
}
String groupId = UUID.randomUUID().toString();
insertGroup(stats, conn, groupId, instance, type);
insertStats(stats, conn, groupId);
conn.commit();
return groupId;
}catch(Exception e){
conn.rollback();
throw new RuntimeException(e);
}
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
private void insertGroup(Stats stats, Connection conn, String groupId, String instance, String type) throws SQLException {
int u = run.update(conn,
"INSERT INTO "+tablePrefix+"endoscopeGroup(id, startDate, endDate, statsLeft, lost, fatalError, appGroup, appType) " +
" values( ?, ?, ?, ?, ?, ?, ?, ?)",
groupId,
new Timestamp(setMilliseconds(stats.getStartDate(), 0).getTime()),
new Timestamp(setMilliseconds(stats.getEndDate(), 0).getTime()),
stats.getStatsLeft(),
stats.getLost(),
stats.getFatalError(),
instance,
type
);
if( u != 1 ){
throw new RuntimeException("Failed to insert stats group. Expected 1 result but got: " + u);
}
}
protected void insertStats( Stats stats, Connection conn, String groupId) throws SQLException {
Object[][] data = prepareStatsData(groupId, stats);
int[] result = run.batch(conn,
//endoscopeStat OR endoscopeDailyStat
"INSERT INTO "+tablePrefix+"endoscopeStat(id, groupId, parentId, rootId, name, hits, max, min, avg, ah10, hasChildren) " +
" values( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
data);
long errors = Arrays.stream(result)
.filter( i -> i < 0 && i != Statement.SUCCESS_NO_INFO )
.count();
if( errors > 0 ){
throw new RuntimeException("Failed to insert stats. Got " + errors + " errors");
}
}
private Object[][] prepareStatsData(String groupId, Stats stats) {
List resultList = new ArrayList<>();
prepareStatsData(groupId, null, null, stats.getMap(), resultList);
return resultList.toArray(new Object[0][0]);
}
private void prepareStatsData(String groupId, String parentId, String rootId, Map map,
List resultList){
map.forEach((statName, stat) -> {
String statId = UUID.randomUUID().toString();
String fixedRootId = (rootId == null) ? statId : rootId;
resultList.add(new Object[]{
statId, groupId, parentId, fixedRootId, statName,
stat.getHits(), stat.getMax(), stat.getMin(), stat.getAvg(), stat.getAh10(),
stat.getChildren() != null ? 1 : 0
});
if( stat.getChildren() != null ){
prepareStatsData(groupId, statId, fixedRootId, stat.getChildren(), resultList);
}
});
}
@Override
public Stats load(String groupId) {
try {
GroupEntity group = loadGroup(groupId);
List stats = loadGroupStats(groupId);
restoreGroupStats(group, stats);
return group;
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
private void restoreGroupStats(GroupEntity group, List stats) {
List roots = restoreStatTree(stats);
roots.forEach( se -> group.getMap().put(se.getName(), se.getStat()) );
}
/**
* Links parent stats to its' parents.
* returns list of root stats.
* @param stats
*/
private List restoreStatTree(List stats) {
List roots = new ArrayList<>();
Map statsById = stats.stream().collect(toMap(se -> se.getId(), se -> se));
stats.forEach( se -> {
if( se.getParentId() == null ){
roots.add(se);
} else {
StatEntity parent = statsById.get(se.getParentId());
parent.getStat().ensureChildrenMap();
parent.getStat().getChildren().put(se.getName(), se.getStat());
}
});
return roots;
}
private List loadGroupStats(String id) {
return loadGroupStats(singletonList(id), null, false);
}
private List loadGroupStats(List groupIds, boolean topLevelOnly) {
return loadGroupStats(groupIds, null, topLevelOnly);
}
private List loadGroupStats(List groupIds, String name) {
return loadGroupStats(groupIds, name, false);
}
private List loadGroupStats(List groupIds, String name, boolean topLevelOnly) {
List result = new ArrayList<>();
ListUtil.partition(groupIds, 50).forEach(partition -> {
try {
long start = System.currentTimeMillis();
List args = new ArrayList<>();
String query = " SELECT " + StatEntityHandler.STAT_FIELDS +
" FROM "+tablePrefix+"endoscopeStat " +
" WHERE groupId IN (" + listOfArgs(partition.size()) + ")";
args.addAll(partition);
if( isNotBlank(name) ){
query += "AND name = ? ";
args.add(name);
}
if( topLevelOnly ){
query += "AND parentId is null ";
}
log.debug("Loading group stats");
List partitionResult = run.queryExt(200, query, statHandler, args.toArray());
log.debug("Loaded {} group stats in {}ms", partitionResult.size(), System.currentTimeMillis() - start);
result.addAll(partitionResult);
} catch (SQLException e) {
throw new RuntimeException(e);
}
});
return result;
}
private GroupEntity loadGroup(String id) throws SQLException {
long start = System.currentTimeMillis();
log.debug("Loading group for id: {}", id);
List groups = run.queryExt(200,
" SELECT " + GroupEntityHandler.GROUP_FIELDS +
" FROM "+tablePrefix+"endoscopeGroup " +
" WHERE id = ? ", groupHandler, id );
log.debug("Loaded group for id {} in {}ms", id, System.currentTimeMillis() - start);
if( groups.isEmpty() ){
return null;
}
return groups.get(0);
}
@Override
public List find(Date from, Date to, String instance, String type) {
List groups = findGroupsInRange(from, to, instance, type);
return extractGroupIds(groups);
}
private List findGroupsInRange(Date from, Date to, String appInstance, String appType) {
try {
log.debug("Loading groups in range");
long start = System.currentTimeMillis();
Timestamp fromTs = new Timestamp(from.getTime());
Timestamp toTs = new Timestamp(to.getTime());
List list = run.queryExt(200,
" SELECT " + GroupEntityHandler.GROUP_FIELDS +
" FROM "+tablePrefix+"endoscopeGroup " +
" WHERE startDate >= ? AND endDate <= ? " + optAppFilterQuery(appInstance, appType) +
" ORDER BY startDate", groupHandler, filterBlank(fromTs, toTs, appInstance, appType)
);
log.debug("Loaded {} groups for range: {} to {} in {}ms", list.size(), from, to, System.currentTimeMillis() - start);
return list;
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
private List findGroupsByIds(List ids) {
List result = new ArrayList<>();
ids = emptyIfNull(ids).stream().filter( id -> isNotBlank(id) ).collect(toList());
if( ids.isEmpty() ){
return result;
}
ListUtil.partition(ids, 50).forEach(partition -> {
try {
long start = System.currentTimeMillis();
log.debug("Loading groups by ids - one partition");
List partitionResult = run.queryExt(50,
" SELECT " + GroupEntityHandler.GROUP_FIELDS +
" FROM "+tablePrefix+"endoscopeGroup " +
" WHERE id IN (" + listOfArgs(partition.size()) + ") " +
" ORDER BY startDate " ,
groupHandler, partition.toArray()
);
log.debug("Loaded {} groups by ids in {}ms - one partition", partitionResult.size(), System.currentTimeMillis() - start);
result.addAll(partitionResult);
} catch (SQLException e) {
throw new RuntimeException(e);
}
});
return result;
}
private String listOfArgs(int count){
StringBuilder sb = new StringBuilder("?");
for(int i=1; i {
if(p == null ){
return false;
}
if( p instanceof String ){
return isNotBlank((String)p);
}
return true;
})
.collect(toList())
.toArray();
}
@Override
public Filters findFilters(Date from, Date to, String type) {
try {
long start = System.currentTimeMillis();
Timestamp fromTs = new Timestamp(from.getTime());
Timestamp toTs = new Timestamp(to.getTime());
List instances;
List types;
if( isNotBlank(type) ){
log.debug("Finding instances for filters");
instances = run.queryExt(20,
" SELECT distinct(appGroup) " +
" FROM "+tablePrefix+"endoscopeGroup " +
" WHERE startDate >= ? AND endDate <= ? AND appType = ?",
stringHandler, fromTs, toTs, type);
log.debug("Loaded {} instances for filters in {}ms", instances.size(), System.currentTimeMillis() - start);
types = singletonList(type);
} else {
log.debug("Finding instances for filters");
instances = run.queryExt(20,
" SELECT distinct(appGroup) " +
" FROM "+tablePrefix+"endoscopeGroup " +
" WHERE startDate >= ? AND endDate <= ? ",
stringHandler, fromTs, toTs);
log.debug("Loaded {} instances for filters in {}ms", instances.size(), System.currentTimeMillis() - start);
start = System.currentTimeMillis();
log.debug("Finding types for filters");
types = run.queryExt(20,
" SELECT distinct(appType) " +
" FROM "+tablePrefix+"endoscopeGroup " +
" WHERE startDate >= ? AND endDate <= ? "
, stringHandler, fromTs, toTs);
log.debug("Loaded {} types for filters in {}ms", types.size(), System.currentTimeMillis() - start);
}
return new Filters(instances, types);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
@Override
public StatDetails loadDetails(String detailsId, List groupIds) {
List groups = findGroupsByIds(groupIds);
List stats = loadGroupStats(groupIds, detailsId);
return createDetails(detailsId, groups, stats);
}
@Override
public StatDetails loadDetails(String detailsId, Date from, Date to, String instance, String type) {
List groups = findGroupsInRange(from, to, instance, type);
List groupIds = extractGroupIds(groups);
List stats = loadGroupStats(groupIds, detailsId);
return createDetails(detailsId, groups, stats);
}
private List extractGroupIds(List groups) {
return groups.stream()
.map( g-> g.getId())
.collect(toList());
}
private StatDetails createDetails(String detailsId, List groups, List stats) {
StatDetails result = new StatDetails(detailsId, null);
groups.forEach( group -> {
List groupStats = stats.stream()
.filter( s -> group.getId().equals(s.getGroupId()) )
.collect(toList());
restoreGroupStats(group, groupStats);
Stat details = group.getMap().get(detailsId);
result.add(details, group.getStartDate(),group.getEndDate());
});
if( result.getMerged() == null ){
result.setMerged(Stat.emptyStat());
}
return result;
}
@Override
public Stats loadAggregated(boolean topLevelOnly, Date from, Date to, String instance, String type) {
List groups = findGroupsInRange(from, to, instance, type);
List groupIds = extractGroupIds(groups);
List stats = loadGroupStats(groupIds, topLevelOnly);
Stats result = new Stats();
groups.forEach( group -> {
List groupStats = stats.stream()
.filter( s -> group.getId().equals(s.getGroupId()) )
.collect(toList());
restoreGroupStats(group, groupStats);
result.merge(group, !topLevelOnly);
});
return result;
}
}
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