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pure memory based implementation of text db reader

This commit is contained in:
Eyck Jentzsch 2021-01-07 17:38:29 +01:00
parent 0d074ea6ae
commit 23ad84ef30
2 changed files with 62 additions and 107 deletions
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136
plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDbLoader.java
View File

@ -25,13 +25,7 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.GZIPInputStream;
import org.mapdb.BTreeMap;
import org.mapdb.DB;
import org.mapdb.DB.TreeMapSink;
import org.mapdb.DBMaker;
import org.mapdb.Serializer;
import org.mapdb.serializer.SerializerArrayTuple;
import com.google.common.collect.HashMultimap;
import com.minres.scviewer.database.AssociationType;
import com.minres.scviewer.database.DataType;
import com.minres.scviewer.database.EventKind;
@ -47,23 +41,19 @@ public class TextDbLoader implements IWaveformDbLoader{
private Long maxTime=0L;
Map<String, RelationType> relationTypes=new HashMap<String, RelationType>();
DB mapDb;
Map<String, RelationType> relationTypes = null;
Map<Long, TxStream> txStreams;
Map<Long, TxStream> txStreams = null;
Map<Long, TxGenerator> txGenerators;
Map<Long, TxGenerator> txGenerators = null;
BTreeMap<Long, ScvTx> transactions;
BTreeMap<Long[], ScvRelation> relationsIn;
Map<Long, ScvTx> transactions = null;
BTreeMap<Long[], ScvRelation> relationsOut;
Map<String, TxAttributeType> attributeTypes = null;
BTreeMap<String[], TxAttributeType> attributeTypes;
HashMultimap<Long, ScvRelation> relationsIn = null;
HashMap<Long, Tx> txCache = new HashMap<>();
HashMultimap<Long, ScvRelation> relationsOut = null;
@Override
public Long getMaxTime() {
@ -89,36 +79,14 @@ public class TextDbLoader implements IWaveformDbLoader{
} catch(Exception e) {
throw new InputFormatException();
}
File mapDbFile;
relationTypes=new HashMap<String, RelationType>();
txStreams = new HashMap<>();
txGenerators = new HashMap<>();
transactions = new HashMap<>();
attributeTypes = new HashMap<>();
relationsIn = HashMultimap.create();
relationsOut = HashMultimap.create();
try {
mapDbFile = File.createTempFile("."+file.getName(), null /*"tmp"*/, null /*file.parentFile*/);
} catch (IOException e1) {
return false;
}
mapDbFile.delete(); // we just need a file name
mapDbFile.deleteOnExit();
mapDb = DBMaker
.memoryDirectDB()
// .fileDB(mapDbFile)
// .fileMmapEnable() // Always enable mmap
// .fileMmapEnableIfSupported()
// .fileMmapPreclearDisable()
.allocateStartSize(512*1024*1024)
.allocateIncrement(128*1024*1024)
.cleanerHackEnable()
.make();
TreeMapSink<Long, ScvTx> txSink = mapDb.treeMap("transactions", Serializer.LONG,Serializer.JAVA).createFromSink();
relationsIn = mapDb
.treeMap("relationsIn", new SerializerArrayTuple(Serializer.LONG, Serializer.LONG) ,Serializer.JAVA)
.createOrOpen();
relationsOut = mapDb
.treeMap("relationsOut", new SerializerArrayTuple(Serializer.LONG, Serializer.LONG) ,Serializer.JAVA)
.createOrOpen();
attributeTypes = mapDb
.treeMap("attributeTypes", new SerializerArrayTuple(Serializer.STRING, Serializer.STRING) ,Serializer.JAVA)
.createOrOpen();
try {
parser.setTransactionSink(txSink).setRelationMaps(relationsIn, relationsOut);
parser.parseInput(gzipped?new GZIPInputStream(new FileInputStream(file)):new FileInputStream(file));
} catch(IllegalArgumentException|ArrayIndexOutOfBoundsException e) {
} catch(Exception e) {
@ -126,10 +94,6 @@ public class TextDbLoader implements IWaveformDbLoader{
e.printStackTrace();
return false;
}
transactions=txSink.create();
txStreams=new HashMap<>(parser.streamsById);
txGenerators=new HashMap<>(parser.generatorsById);
txCache.clear();
return true;
}
@ -167,41 +131,18 @@ public class TextDbLoader implements IWaveformDbLoader{
static final Pattern scv_tr_generator = Pattern.compile("^scv_tr_generator\\s+\\(ID\\s+(\\d+),\\s+name\\s+\"([^\"]+)\",\\s+scv_tr_stream\\s+(\\d+),$");
static final Pattern begin_attribute = Pattern.compile("^begin_attribute \\(ID (\\d+), name \"([^\"]+)\", type \"([^\"]+)\"\\)$");
static final Pattern end_attribute = Pattern.compile("^end_attribute \\(ID (\\d+), name \"([^\"]+)\", type \"([^\"]+)\"\\)$");
HashMap<Long, TxStream> streamsById = new HashMap<>();
HashMap<Long, TxGenerator> generatorsById = new HashMap<>();
HashMap<Long, ScvTx> transactionsById = new HashMap<>();
final TextDbLoader loader;
BufferedReader reader = null;
TxGenerator generator = null;
TxGenerator generator=null;
private TreeMapSink<Long, ScvTx> txSink;
private BTreeMap<Long[], ScvRelation> relationsIn;
private BTreeMap<Long[], ScvRelation> relationsOut;
public TextDbParser(TextDbLoader loader) {
super();
this.loader = loader;
}
public TextDbParser setTransactionSink(TreeMapSink<Long, ScvTx> sink) {
this.txSink=sink;
return this;
}
public TextDbParser setRelationMaps(BTreeMap<Long[], ScvRelation> relationsIn, BTreeMap<Long[], ScvRelation> relationsOut) {
this.relationsIn=relationsIn;
this.relationsOut=relationsOut;
return this;
}
void parseInput(InputStream inputStream) throws IOException{
reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
String curLine = reader.readLine();
@ -214,7 +155,7 @@ public class TextDbLoader implements IWaveformDbLoader{
}
private TxAttributeType getAttrType(String name, DataType dataType, AssociationType type){
String[] key = new String[] {name, dataType.toString()};
String key =name+"-"+dataType.toString();
TxAttributeType res;
if(loader.attributeTypes.containsKey(key)){
res=loader.attributeTypes.get(key);
@ -233,35 +174,36 @@ public class TextDbLoader implements IWaveformDbLoader{
DataType type = DataType.valueOf(tokens[3]);
String remaining = tokens.length>5?String.join(" ", Arrays.copyOfRange(tokens, 5, tokens.length)):"";
TxAttributeType attrType = getAttrType(name, type, AssociationType.RECORD);
transactionsById.get(id).attributes.add(new TxAttribute(attrType, remaining));
loader.transactions.get(id).attributes.add(new TxAttribute(attrType, remaining));
} else if("tx_begin".equals(tokens[0])){
Long id = Long.parseLong(tokens[1]);
Long genId = Long.parseLong(tokens[2]);
TxGenerator gen=generatorsById.get(genId);
ScvTx tx = new ScvTx(id, gen.stream.getId(), genId, Long.parseLong(tokens[3])*stringToScale(tokens[4]));
transactionsById.put(id, tx);
loader.maxTime = loader.maxTime>tx.beginTime?loader.maxTime:tx.beginTime;
TxStream stream = streamsById.get(gen.stream.getId());
TxGenerator gen=loader.txGenerators.get(genId);
ScvTx scvTx = new ScvTx(id, gen.stream.getId(), genId, Long.parseLong(tokens[3])*stringToScale(tokens[4]));
Tx tx = new Tx(loader, scvTx);
loader.maxTime = loader.maxTime>scvTx.beginTime?loader.maxTime:scvTx.beginTime;
TxStream stream = loader.txStreams.get(gen.stream.getId());
stream.setConcurrency(stream.getConcurrency()+1);
if(nextLine!=null && nextLine.charAt(0)=='a') {
int idx=0;
while(nextLine!=null && nextLine.charAt(0)=='a') {
String[] attrTokens=nextLine.split("\\s+");
TxAttribute attr = new TxAttribute(gen.beginAttrs.get(idx), attrTokens[1]);
tx.attributes.add(attr);
tx.getAttributes().add(attr);
idx++;
nextLine=reader.readLine();
}
}
txSink.put(tx.id, tx);
loader.transactions.put(id, scvTx);
gen.getTransactions().add(tx);
} else if("tx_end".equals(tokens[0])){
Long id = Long.parseLong(tokens[1]);
ScvTx tx = transactionsById.get(id);
ScvTx tx = loader.transactions.get(id);
assert Long.parseLong(tokens[2])==tx.generatorId;
tx.endTime=Long.parseLong(tokens[3])*stringToScale(tokens[4]);
loader.maxTime = loader.maxTime>tx.endTime?loader.maxTime:tx.endTime;
TxGenerator gen = generatorsById.get(tx.generatorId);
TxStream stream = streamsById.get(gen.stream.getId());
TxGenerator gen = loader.txGenerators.get(tx.generatorId);
TxStream stream = loader.txStreams.get(gen.stream.getId());
if(tx.beginTime==tx.endTime)
stream.addEvent(new TxEvent(loader, EventKind.SINGLE, id, tx.beginTime));
else {
@ -279,7 +221,6 @@ public class TextDbLoader implements IWaveformDbLoader{
nextLine=reader.readLine();
}
}
transactionsById.remove(tx.id);
} else if("tx_relation".equals(tokens[0])){
Long tr2= Long.parseLong(tokens[2]);
Long tr1= Long.parseLong(tokens[3]);
@ -287,22 +228,22 @@ public class TextDbLoader implements IWaveformDbLoader{
if(!loader.relationTypes.containsKey(relType))
loader.relationTypes.put(relType, RelationTypeFactory.create(relType));
ScvRelation rel = new ScvRelation(loader.relationTypes.get(relType), tr1, tr2);
relationsOut.put(new Long[]{tr1, tr2}, rel);
relationsIn.put(new Long[]{tr2, tr1}, rel);
loader.relationsOut.put(tr1, rel);
loader.relationsIn.put(tr2, rel);
} else if("scv_tr_stream".equals(tokens[0])){
Matcher matcher = scv_tr_stream.matcher(curLine);
if (matcher.matches()) {
Long id = Long.parseLong(matcher.group(1));
TxStream stream = new TxStream(loader, id, matcher.group(2), matcher.group(3));
streamsById.put(id, stream);
loader.txStreams.put(id, stream);
}
} else if("scv_tr_generator".equals(tokens[0])){
Matcher matcher = scv_tr_generator.matcher(curLine);
if ((matcher.matches())) {
Long id = Long.parseLong(matcher.group(1));
TxStream stream=streamsById.get(Long.parseLong(matcher.group(3)));
TxStream stream=loader.txStreams.get(Long.parseLong(matcher.group(3)));
generator=new TxGenerator(id, stream, matcher.group(2));
generatorsById.put(id, generator);
loader.txGenerators.put(id, generator);
}
} else if("begin_attribute".equals(tokens[0])){
Matcher matcher = begin_attribute.matcher(curLine);
@ -337,12 +278,9 @@ public class TextDbLoader implements IWaveformDbLoader{
}
}
public ITx getTransaction(Long txId) {
if(txCache.containsKey(txId))
return txCache.get(txId);
Tx tx = new Tx(this, txId);
txCache.put(txId, tx);
return tx;
public ITx getTransaction(long source) {
return new Tx(this, transactions.get(source));
}
}

33
plugins/com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/Tx.java
View File

@ -13,6 +13,7 @@ package com.minres.scviewer.database.text;
import java.util.Collection;
import java.util.List;
import java.util.NavigableMap;
import java.util.Set;
import java.util.stream.Collectors;
import com.minres.scviewer.database.IWaveform;
@ -28,22 +29,22 @@ class Tx implements ITx {
private ScvTx scvTx = null;
private int concurrencyIndex;
Tx(TextDbLoader loader, Long id){
public Tx(TextDbLoader loader, ScvTx scvTx) {
this.loader=loader;
this.scvTx = loader.transactions.get(id);
this.scvTx = scvTx;
}
@Override
public Collection<ITxRelation> getIncomingRelations() {
NavigableMap<Long[], ScvRelation> rels = loader.relationsIn.prefixSubMap(new Long[]{scvTx.getId()});
return rels.values().stream().map(rel -> new TxRelation(loader, rel)).collect(Collectors.toList());
Set<ScvRelation> rels = loader.relationsIn.get(scvTx.getId());
return rels.stream().map(rel -> new TxRelation(loader, rel)).collect(Collectors.toList());
}
@Override
public Collection<ITxRelation> getOutgoingRelations() {
NavigableMap<Long[], ScvRelation> rels = loader.relationsOut.prefixSubMap(new Long[]{scvTx.getId()});
return rels.values().stream().map(rel -> new TxRelation(loader, rel)).collect(Collectors.toList());
Set<ScvRelation> rels = loader.relationsOut.get(scvTx.getId());
return rels.stream().map(rel -> new TxRelation(loader, rel)).collect(Collectors.toList());
}
@Override
@ -55,6 +56,18 @@ class Tx implements ITx {
return getId().compareTo(o.getId());
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || getClass() != obj.getClass()) return false;
return this.scvTx.equals(((Tx) obj).scvTx);
}
@Override
public int hashCode() {
return scvTx.hashCode();
}
@Override
public String toString() {
return "tx#"+getId()+"["+getBeginTime()/1000000+"ns - "+getEndTime()/1000000+"ns]";
@ -85,6 +98,10 @@ class Tx implements ITx {
return scvTx.endTime;
}
void setEndTime(Long time) {
scvTx.endTime=time;
}
@Override
public int getConcurrencyIndex() {
return concurrencyIndex;