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Commit 9017ec17 authored by Adam Kučera's avatar Adam Kučera
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"rough" implementation of the data access API completed 

the REST endpoint is not correctly specified and the provider is not
tested
parent 58980706
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DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/api/DataPointsEndpoint.java
View file @ 9017ec17
......@@ -52,7 +52,7 @@ public class DataPointsEndpoint {
logger.debug(json);
AddressRequest readSpecs = m.readValue(json, AddressRequest.class);
logger.debug(readSpecs);
SnapshotResponse result = dc.getDataPointValues(readSpecs, allowCache(cache));
SnapshotResponse result = new SnapshotResponse(dc.getDataPointValues(readSpecs, allowCache(cache)));
logger.debug(result);
return result;
} catch (IOException e) {
......@@ -78,7 +78,7 @@ public class DataPointsEndpoint {
logger.debug(json);
AddressRequest readSpecs = m.readValue(json, AddressRequest.class);
logger.debug(readSpecs);
return dc.getDataPointsAggregation(readSpecs, agg, allowCache(cache));
return new AggregateResponse(dc.getDataPointsAggregation(readSpecs, agg, allowCache(cache)));
} catch (IOException e) {
return AggregateResponse.getErrorResponse("Unable to parse query:" + e);
}
......@@ -99,7 +99,7 @@ public class DataPointsEndpoint {
logger.debug(json);
GroupedAddressRequest readSpecs = m.readValue(json,GroupedAddressRequest.class);
logger.debug(readSpecs);
return dc.getDataPointGroupedValues(readSpecs, allowCache(cache));
return new SnapshotResponse(dc.getDataPointGroupedValues(readSpecs, allowCache(cache)));
} catch (IOException e) {
return SnapshotResponse.getErrorResponse("Unable to parse query:" + e);
}
......@@ -120,7 +120,7 @@ public class DataPointsEndpoint {
logger.debug(json);
GroupedAddressRequest readSpecs = m.readValue(json, GroupedAddressRequest.class);
logger.debug(readSpecs);
AggregateResponse result = dc.getDataPointGroupAggregations(readSpecs, agg, allowCache(cache));
AggregateResponse result = new AggregateResponse(dc.getDataPointGroupAggregations(readSpecs, agg, allowCache(cache)));
logger.debug(result);
return result;
} catch (IOException e) {
......
DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/api/TrendsEndpoint.java
View file @ 9017ec17
......@@ -21,7 +21,7 @@ import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import cz.muni.fi.lasaris.sbms.data.api.request.GroupedAddressRequest;
import cz.muni.fi.lasaris.sbms.data.api.request.TrendsRequest;
import cz.muni.fi.lasaris.sbms.data.api.request.TrendRequest;
import cz.muni.fi.lasaris.sbms.data.api.request.AddressRequest;
import cz.muni.fi.lasaris.sbms.data.api.response.AggregateResponse;
import cz.muni.fi.lasaris.sbms.data.api.response.SeriesOfSlicesResponse;
......@@ -31,7 +31,6 @@ import cz.muni.fi.lasaris.sbms.data.api.response.SliceResponse;
import cz.muni.fi.lasaris.sbms.data.api.response.TrendResponse;
import cz.muni.fi.lasaris.sbms.data.api.response.ValueResponse;
import cz.muni.fi.lasaris.sbms.data.entities.Address;
import cz.muni.fi.lasaris.sbms.data.entities.AddressGroup;
import cz.muni.fi.lasaris.sbms.data.entities.AggregationFunction;
import cz.muni.fi.lasaris.sbms.data.entities.AggregationWindow;
import cz.muni.fi.lasaris.sbms.data.entities.Interpolation;
......@@ -40,6 +39,7 @@ import cz.muni.fi.lasaris.sbms.data.entities.containers.Aggregation;
import cz.muni.fi.lasaris.sbms.data.entities.containers.Series;
import cz.muni.fi.lasaris.sbms.data.entities.containers.Slice;
import cz.muni.fi.lasaris.sbms.data.entities.containers.Trend;
import cz.muni.fi.lasaris.sbms.data.entities.containers.TrendGroup;
import cz.muni.fi.lasaris.sbms.data.entities.values.AggregatedValue;
import cz.muni.fi.lasaris.sbms.data.entities.values.InterpolatedValue;
import cz.muni.fi.lasaris.sbms.data.logic.TrendsDataCollector;
......@@ -72,7 +72,7 @@ public class TrendsEndpoint {
) {
try {
TrendsRequest r = getReadSpecsSingle(id, start, end, null, null, null, null, null);
TrendRequest r = getReadSpecsSingle(id, start, end, null, null, null, null, null);
Trend v = dc.getTrend(r);
return new TrendResponse(v);
} catch (Exception e) {
......@@ -94,7 +94,7 @@ public class TrendsEndpoint {
) {
try {
TrendsRequest r = getReadSpecsSingle(id, timestamp, timestamp, samplingCron, samplingDur, interpolation, null, null);
TrendRequest r = getReadSpecsSingle(id, timestamp, timestamp, samplingCron, samplingDur, interpolation, null, null);
InterpolatedValue v = dc.getValue(r);
return new ValueResponse(v);
} catch (Exception e) {
......@@ -116,7 +116,7 @@ public class TrendsEndpoint {
@QueryParam("sampling.interpolation") Interpolation interpolation
) {
try {
TrendsRequest r = getReadSpecsSingle(id, start, end, samplingCron, samplingDur, interpolation, null, null);
TrendRequest r = getReadSpecsSingle(id, start, end, samplingCron, samplingDur, interpolation, null, null);
Trend v = dc.getTrend(r);
return new TrendResponse(v);
} catch (Exception e) {
......@@ -136,7 +136,7 @@ public class TrendsEndpoint {
@QueryParam("aggregation.function") AggregationFunction aggregation
) {
try {
TrendsRequest r = getReadSpecsSingle(id, start, end, null, null, null, aggregation, null);
TrendRequest r = getReadSpecsSingle(id, start, end, null, null, null, aggregation, null);
AggregatedValue v = dc.getAggregate(r);
return new ValueResponse(v);
} catch (Exception e) {
......@@ -159,7 +159,7 @@ public class TrendsEndpoint {
@QueryParam("aggregation.duration") Long windowDur
) {
try {
TrendsRequest r = getReadSpecsSingle(id, start, end, windowCron, windowDur, null, aggregation, window);
TrendRequest r = getReadSpecsSingle(id, start, end, windowCron, windowDur, null, aggregation, window);
Trend v = dc.getTrend(r);
return new TrendResponse(v);
} catch (Exception e) {
......@@ -178,7 +178,7 @@ public class TrendsEndpoint {
@QueryParam("timestamp") String timestamp
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, timestamp, timestamp, null, null, null, null, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, timestamp, timestamp, null, null, null, null, null);
Slice v = dc.getSlice(r);
return new SliceResponse(v);
} catch (Exception e) {
......@@ -198,9 +198,9 @@ public class TrendsEndpoint {
@QueryParam("aggregation.function") AggregationFunction aggregation
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, timestamp, timestamp, null, null, null, null, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, timestamp, timestamp, null, null, null, null, null);
if(grouping) {
Aggregation<AddressGroup> v = dc.getGroupedAggregatesForSlice(r);
Map<String, AggregatedValue> v = dc.getGroupedAggregatesForSlice(r);
return new AggregateResponse(v);
} else {
AggregatedValue v = dc.getAggregateForSlice(r);
......@@ -224,9 +224,9 @@ public class TrendsEndpoint {
@QueryParam("end") String end
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, null, null, null, null, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, null, null, null, null, null);
if(grouping) {
Map<String, Map<Address, Trend>> v = dc.getGroupedTrends(r);
Map<String, TrendGroup> v = dc.getGroupedTrends(r);
return new SetOfTrendsResponse(v, true);
} else {
Map<Address, Trend> v = dc.getTrends(r);
......@@ -250,9 +250,9 @@ public class TrendsEndpoint {
@QueryParam("aggregation.function") AggregationFunction aggregation
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, null, null, null, aggregation, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, null, null, null, aggregation, null);
if(grouping) {
Map<String, Aggregation<Address>> v = dc.getGroupedAggregates(r);
Map<String, Map<Address, AggregatedValue>> v = dc.getGroupedAggregates(r);
return new SetOfAggregatesResponse(v);
} else {
Aggregation<Address> v = dc.getAggregates(r);
......@@ -276,9 +276,9 @@ public class TrendsEndpoint {
@QueryParam("aggregation.function") AggregationFunction aggregation
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, null, null, null, aggregation, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, null, null, null, aggregation, null);
if(grouping) {
Aggregation<AddressGroup> v = dc.getGroupedTrendsAggregate(r);
Map<String,AggregatedValue> v = dc.getGroupedTrendsAggregate(r);
return new AggregateResponse(v);
} else {
AggregatedValue v = dc.getTrendsAggregate(r);
......@@ -304,9 +304,9 @@ public class TrendsEndpoint {
@QueryParam("sampling.interpolation") Interpolation interpolation
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, samplingCron, samplingDur, interpolation, null, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, samplingCron, samplingDur, interpolation, null, null);
if(grouping) {
Map<String, Map<Address, Trend>> v = dc.getGroupedTrends(r);
Map<String, TrendGroup> v = dc.getGroupedTrends(r);
return new SetOfTrendsResponse(v, true);
} else {
Map<Address, Trend> v = dc.getTrends(r);
......@@ -332,7 +332,7 @@ public class TrendsEndpoint {
@QueryParam("sampling.interpolation") Interpolation interpolation
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, samplingCron, samplingDur, interpolation, null, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, samplingCron, samplingDur, interpolation, null, null);
if(grouping) {
Map<String, Series<Slice>> v = dc.getGroupedSeriesOfSlices(r);
return new SeriesOfSlicesResponse(v);
......@@ -362,7 +362,7 @@ public class TrendsEndpoint {
@QueryParam("aggregation.function") AggregationFunction aggregation
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, samplingCron, samplingDur, interpolation, aggregation, null);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, samplingCron, samplingDur, interpolation, aggregation, null);
if(grouping) {
Map<String, Trend> v = dc.getGroupedSeriesOfAggregates(r);
return new TrendResponse(v);
......@@ -392,9 +392,9 @@ public class TrendsEndpoint {
@QueryParam("aggregation.duration") Long windowDur
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, windowCron, windowDur, null, aggregation, window);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, windowCron, windowDur, null, aggregation, window);
if(grouping) {
Map<String, Map<Address, Trend>> v = dc.getGroupedTrends(r);
Map<String, TrendGroup> v = dc.getGroupedTrends(r);
return new SetOfTrendsResponse(v, true);
} else {
Map<Address, Trend> v = dc.getTrends(r);
......@@ -421,7 +421,7 @@ public class TrendsEndpoint {
@QueryParam("aggregation.duration") Long windowDur
) {
try {
TrendsRequest r = getReadSpecsMulti(ids, grouping, start, end, windowCron, windowDur, null, aggregation, window);
TrendRequest r = getReadSpecsMulti(ids, grouping, start, end, windowCron, windowDur, null, aggregation, window);
if(grouping) {
Map<String, Trend> v = dc.getGroupedWindowedTrendsAggregate(r);
return new TrendResponse(v);
......@@ -460,17 +460,17 @@ public class TrendsEndpoint {
*/
private TrendsRequest getReadSpecsSingle(String id, String start, String end, String samplingCron,
private TrendRequest getReadSpecsSingle(String id, String start, String end, String samplingCron,
Long samplingDur, Interpolation interpolation, AggregationFunction aggregation, AggregationWindow window) {
TrendsRequest readSpecs = getReadSpecsBase(start, end, samplingCron, samplingDur, interpolation, aggregation, window);
TrendRequest readSpecs = getReadSpecsBase(start, end, samplingCron, samplingDur, interpolation, aggregation, window);
readSpecs.setAddressSpecs(new Address(id));
return readSpecs;
}
private TrendsRequest getReadSpecsMulti(String json, boolean grouping, String start, String end, String samplingCron,
private TrendRequest getReadSpecsMulti(String json, boolean grouping, String start, String end, String samplingCron,
Long samplingDur, Interpolation interpolation, AggregationFunction aggregation, AggregationWindow window) throws JsonParseException, JsonMappingException, IOException {
TrendsRequest readSpecs = getReadSpecsBase(start, end, samplingCron, samplingDur, interpolation, aggregation, window);
TrendRequest readSpecs = getReadSpecsBase(start, end, samplingCron, samplingDur, interpolation, aggregation, window);
if(grouping) {
readSpecs.setAddressSpecs(m.readValue(json, AddressRequest.class));
} else {
......@@ -480,12 +480,12 @@ public class TrendsEndpoint {
}
private TrendsRequest getReadSpecsBase(String start, String end, String samplingCron,
private TrendRequest getReadSpecsBase(String start, String end, String samplingCron,
Long samplingDur, Interpolation interpolation, AggregationFunction aggregation, AggregationWindow window) {
TrendsRequest readSpecs = new TrendsRequest();
TrendRequest readSpecs = new TrendRequest();
SeriesSpecs s = getSeriesSpecs(start, end, samplingCron, samplingDur, interpolation, aggregation, window);
readSpecs.setSeriesSpecs(s);
readSpecs.setAggregation(aggregation, window);
readSpecs.setAggregation(aggregation);
return readSpecs;
}
......
DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/api/request/TrendsRequest.java → DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/api/request/TrendRequest.java
View file @ 9017ec17
......@@ -4,43 +4,59 @@ import java.util.Arrays;
import cz.muni.fi.lasaris.sbms.data.entities.Address;
import cz.muni.fi.lasaris.sbms.data.entities.AggregationFunction;
import cz.muni.fi.lasaris.sbms.data.entities.AggregationWindow;
import cz.muni.fi.lasaris.sbms.data.entities.SeriesSpecs;
public class TrendsRequest {
public class TrendRequest {
private AddressRequest ar;
private GroupedAddressRequest gar;
private SeriesSpecs s;
private AggregationFunction af;
public Address getAddress() {
// TODO Auto-generated method stub
return null;
return ar.getAddresses().get(0);
}
public void setSeriesSpecs(SeriesSpecs s) {
// TODO Auto-generated method stub
this.s = s;
}
public void setAggregation(AggregationFunction aggregation, AggregationWindow window) {
// TODO Auto-generated method stub
public void setAggregation(AggregationFunction aggregation) {
this.af = aggregation;
}
public void setAddressSpecs(Address a) {
AddressRequest ar = new AddressRequest();
ar.setAddresses(Arrays.asList(new Address[] { a }));
setAddressSpecs(ar);
}
public void setAddressSpecs(AddressRequest ar) {
// TODO Auto-generated method stub
this.ar = ar;
}
public void setAddressSpecs(GroupedAddressRequest readValue) {
// TODO Auto-generated method stub
public void setAddressSpecs(GroupedAddressRequest gar) {
this.gar = gar;
}
public AddressRequest getAddressSpecs() {
return this.ar;
}
public GroupedAddressRequest getGroupedAddressSpecs() {
return this.gar;
}
public SeriesSpecs getSeriesSpecs() {
return this.s;
}
public AggregationFunction getAggregation() {
return this.af;
}
public boolean isGropuing() {
return this.gar != null;
}
}
DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/api/response/SetOfAggregatesResponse.java
View file @ 9017ec17
......@@ -2,7 +2,6 @@ package cz.muni.fi.lasaris.sbms.data.api.response;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import cz.muni.fi.lasaris.sbms.data.entities.Address;
import cz.muni.fi.lasaris.sbms.data.entities.containers.Aggregation;
......@@ -27,7 +26,11 @@ public class SetOfAggregatesResponse {
private SetOfAggregatesResponse() {
this.results = null;
}
public SetOfAggregatesResponse(Map<String, Map<Address, AggregatedValue>> data) {
this.results = data;
}
/*
public SetOfAggregatesResponse(Map<String, Aggregation<Address>> data) {
this.results = new LinkedHashMap<String, Map<Address, AggregatedValue>>();
for(Entry<String, Aggregation<Address>> e : data.entrySet()) {
......@@ -36,7 +39,7 @@ public class SetOfAggregatesResponse {
this.results.put(e.getKey(), a);
}
}
*/
public SetOfAggregatesResponse(Address a, AggregatedValue v) {
this.results = new LinkedHashMap<String, Map<Address, AggregatedValue>>();
......
DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/api/response/SetOfTrendsResponse.java
View file @ 9017ec17
......@@ -2,9 +2,11 @@ package cz.muni.fi.lasaris.sbms.data.api.response;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import cz.muni.fi.lasaris.sbms.data.entities.Address;
import cz.muni.fi.lasaris.sbms.data.entities.containers.Trend;
import cz.muni.fi.lasaris.sbms.data.entities.containers.TrendGroup;
public class SetOfTrendsResponse {
private static final String DEFAULT_GROUPING = "noGrouping";
......@@ -26,18 +28,29 @@ public class SetOfTrendsResponse {
this.results = null;
}
/*
public SetOfTrendsResponse(Map<String, Map<Address, Trend>> data, boolean groups) {
this.results = data;
}
*/
public SetOfTrendsResponse(Map<String, TrendGroup> data, boolean groups) {
this.results = new LinkedHashMap<String, Map<Address, Trend>>();
for(Entry<String, TrendGroup> e : data.entrySet()) {
Map<Address, Trend> a = new LinkedHashMap<Address, Trend>();
e.getValue().forEach((k,v) -> a.put(k, v));
this.results.put(e.getKey(), a);
}
}
public SetOfTrendsResponse(Map<Address, Trend> data) {
this.results = new LinkedHashMap<String, Map<Address, Trend>>();
this.results.put(DEFAULT_GROUPING, data);
}
public SetOfTrendsResponse(Address a, Trend v) {
this(new LinkedHashMap<String, Map<Address, Trend>>(), true);
this.results = new LinkedHashMap<String, Map<Address, Trend>>();
this.results.put(DEFAULT_GROUPING, new LinkedHashMap<Address, Trend>());
this.results.get(DEFAULT_GROUPING).put(a, v);
}
......
DataAccessAPI/src/main/java/cz/muni/fi/lasaris/sbms/data/logic/DPDataCollector.java
View file @ 9017ec17
package cz.muni.fi.lasaris.sbms.data.logic;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.NavigableSet;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.log4j.Logger;
import cz.muni.fi.lasaris.sbms.data.api.request.GroupedAddressRequest;
import cz.muni.fi.lasaris.sbms.data.api.request.AddressRequest;
import cz.muni.fi.lasaris.sbms.data.api.response.AggregateResponse;
import cz.muni.fi.lasaris.sbms.data.api.response.SnapshotResponse;
import cz.muni.fi.lasaris.sbms.data.entities.Address;
import cz.muni.fi.lasaris.sbms.data.entities.AggregationFunction;
import cz.muni.fi.lasaris.sbms.data.entities.containers.Snapshot;
import cz.muni.fi.lasaris.sbms.data.entities.values.AggregatedValue;
import cz.muni.fi.lasaris.sbms.data.entities.values.RawValue;
import cz.muni.fi.lasaris.sbms.data.util.Aggregator;
import cz.muni.fi.lasaris.sbms.data.providers.AbstractSimpleDataPointsProvider;
import cz.muni.fi.lasaris.sbms.data.providers.DataPointsProvider;
public class DPDataCollector {
final static Logger logger = Logger.getLogger(DPDataCollector.class);
public SnapshotResponse getDataPointValues(AddressRequest readSpecs, boolean allowCache) {
return new SnapshotResponse(getDataPointValuesSnapshot(readSpecs, allowCache));
public Snapshot getDataPointValues(AddressRequest readSpecs, boolean allowCache) {
DataPointsProvider p = new MultiProtocolProvider(new ProtocolParser(readSpecs));
Snapshot result = p.getDataPointValues(readSpecs.getAddresses(), allowCache);
return result;
}
private Snapshot getDataPointValuesSnapshot(AddressRequest readSpecs, boolean allowCache) {
NavigableMap<String, AddressRequest> protocols = readSpecs.getProtocols();
if(protocols.size() == 1) {
return ProviderManager.getDataPointsProvider(protocols.firstKey())
.getDataPointValues(protocols.get(protocols.firstKey()).getAddresses(), allowCache);
}
AtomicInteger counter = new AtomicInteger(0);
int count = protocols.keySet().size();
List<Snapshot> results = Collections.synchronizedList(new LinkedList<Snapshot>());
for(String protocol : protocols.keySet()) {
new Thread(new Runnable() {
@Override
public void run() {
Snapshot rs = (ProviderManager.getDataPointsProvider(protocol)
.getDataPointValues(protocols.get(protocol).getAddresses(), allowCache));
synchronized(results) {
results.add(rs);
counter.incrementAndGet();
results.notifyAll();
}
}}).start();
}
synchronized(results) {
while(counter.get() < count) {
try {
results.wait();
} catch (InterruptedException e) {
logger.error("Exception while waiting for completion.", e);
}
}
}
Snapshot result = new Snapshot();
synchronized(results) {
for(Snapshot r : results) {
result.addAll(r.getData());
}
}
public AggregatedValue getDataPointsAggregation(AddressRequest readSpecs, AggregationFunction aggregation,
boolean allowCache) {
DataPointsProvider p = new MultiProtocolProvider(new ProtocolParser(readSpecs));
AggregatedValue result = p.getDataPointsAggregation(readSpecs.getAddresses(), aggregation, allowCache);
return result;
}
public AggregateResponse getDataPointsAggregation(AddressRequest readSpecs, AggregationFunction aggregation,
public Map<String, Snapshot> getDataPointGroupedValues(GroupedAddressRequest readSpecs,
boolean allowCache) {
NavigableMap<String, AddressRequest> protocols = readSpecs.getProtocols();
if(protocols.size() == 1) {
return new AggregateResponse(ProviderManager.getDataPointsProvider(protocols.firstKey())
.getDataPointsAggregation(protocols.get(protocols.firstKey()).getAddresses(), aggregation, allowCache));
}
Snapshot data = getDataPointValuesSnapshot(readSpecs, allowCache);
return new AggregateResponse(computeAggregation(data.getData(), aggregation));
DataPointsProvider p = new MultiProtocolProvider(new ProtocolParser(readSpecs));
Map<String, Snapshot> result = p.getDataPointGroupedValues(readSpecs.getGroups(), allowCache);
return result;
}
public SnapshotResponse getDataPointGroupedValues(GroupedAddressRequest readSpecs,
boolean allowCache) {
return new SnapshotResponse(getDataPointGroupedValuesMap(readSpecs, allowCache));
public Map<String,AggregatedValue> getDataPointGroupAggregations(GroupedAddressRequest readSpecs,
AggregationFunction aggregation, boolean allowCache) {
DataPointsProvider p = new MultiProtocolProvider(new ProtocolParser(readSpecs));
Map<String,AggregatedValue> result = p.getDataPointGroupAggregations(readSpecs.getGroups(), aggregation, allowCache);
return result;
}
private Map<String, Snapshot> getDataPointGroupedValuesMap(GroupedAddressRequest readSpecs,
boolean allowCache) {
NavigableMap<String, GroupedAddressRequest> protocols = readSpecs.getProtocols();
if(protocols.size() == 1) {
return ProviderManager.getDataPointsProvider(protocols.firstKey())
.getDataPointGroupedValues(protocols.get(protocols.firstKey()).getGroups(), allowCache);
}
AtomicInteger counter = new AtomicInteger(0);
int count = protocols.keySet().size();
private class MultiProtocolProvider extends AbstractSimpleDataPointsProvider {
List<SnapshotResponse> results = Collections.synchronizedList(new LinkedList<SnapshotResponse>());
ProtocolParser p;
for(String protocol : protocols.keySet()) {
new Thread(new Runnable() {
@Override
public void run() {
SnapshotResponse rs = new SnapshotResponse(ProviderManager.getDataPointsProvider(protocol).getDataPointGroupedValues(protocols.get(protocol).getGroups(), allowCache));
synchronized(results) {
results.add(rs);
counter.incrementAndGet();
results.notifyAll();
}
}}).start();
public MultiProtocolProvider(ProtocolParser parser) {
p = parser;
}
synchronized(results) {