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Commit ca64ef4e by Sarath Subramanian
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ATLAS-1742: Provide option to exclude deleted entities in basic and fulltext search

parent 19d344cd
Showing with 35 additions and 10 deletions
repository/src/main/java/org/apache/atlas/discovery/AtlasDiscoveryService.java
......@@ -35,11 +35,12 @@ public interface AtlasDiscoveryService {
/**
*
* @param query search query.
* @param excludeDeletedEntities exclude deleted entities in search result.
* @param limit number of resultant rows (for pagination). [ limit > 0 ] and [ limit < maxlimit ]. -1 maps to atlas.search.defaultlimit property.
* @param offset offset to the results returned (for pagination). [ offset >= 0 ]. -1 maps to offset 0.
* @return AtlasSearchResult
*/
AtlasSearchResult searchUsingFullTextQuery(String query, int limit, int offset) throws AtlasBaseException;
AtlasSearchResult searchUsingFullTextQuery(String query, boolean excludeDeletedEntities, int limit, int offset) throws AtlasBaseException;
/**
*
......@@ -48,10 +49,11 @@ public interface AtlasDiscoveryService {
* @param classification classification name.
* @param attrName attribute name.
* @param attrValuePrefix attribute value prefix.
* @param excludeDeletedEntities exclude deleted entities in search result.
* @param limit number of resultant rows (for pagination). [ limit > 0 ] and [ limit < maxlimit ]. -1 maps to atlas.search.defaultlimit property.
* @param offset offset to the results returned (for pagination). [ offset >= 0 ]. -1 maps to offset 0.
* @return AtlasSearchResult
*/
AtlasSearchResult searchUsingBasicQuery(String query, String type, String classification, String attrName,
String attrValuePrefix, int limit, int offset) throws AtlasBaseException;
String attrValuePrefix, boolean excludeDeletedEntities, int limit, int offset) throws AtlasBaseException;
}
repository/src/main/java/org/apache/atlas/discovery/EntityDiscoveryService.java
......@@ -25,6 +25,7 @@ import org.apache.atlas.model.discovery.AtlasSearchResult.AttributeSearchResult;
import org.apache.atlas.discovery.graph.DefaultGraphPersistenceStrategy;
import org.apache.atlas.exception.AtlasBaseException;
import org.apache.atlas.model.discovery.AtlasSearchResult;
import org.apache.atlas.model.instance.AtlasEntity.Status;
import org.apache.atlas.model.instance.AtlasEntityHeader;
import org.apache.atlas.query.Expressions.AliasExpression;
import org.apache.atlas.query.Expressions.Expression;
......@@ -46,7 +47,6 @@ import org.apache.atlas.repository.graphdb.AtlasVertex;
import org.apache.atlas.repository.store.graph.v1.EntityGraphRetriever;
import org.apache.atlas.type.AtlasClassificationType;
import org.apache.atlas.type.AtlasEntityType;
import org.apache.atlas.type.AtlasStructType;
import org.apache.atlas.type.AtlasStructType.AtlasAttribute;
import org.apache.atlas.type.AtlasTypeRegistry;
import org.apache.atlas.util.AtlasGremlinQueryProvider;
......@@ -145,7 +145,8 @@ public class EntityDiscoveryService implements AtlasDiscoveryService {
}
@Override
public AtlasSearchResult searchUsingFullTextQuery(String fullTextQuery, int limit, int offset) throws AtlasBaseException {
public AtlasSearchResult searchUsingFullTextQuery(String fullTextQuery, boolean excludeDeletedEntities, int limit, int offset)
throws AtlasBaseException {
AtlasSearchResult ret = new AtlasSearchResult(fullTextQuery, AtlasQueryType.FULL_TEXT);
QueryParams params = validateSearchParams(limit, offset);
AtlasIndexQuery idxQuery = toAtlasIndexQuery(fullTextQuery);
......@@ -153,14 +154,16 @@ public class EntityDiscoveryService implements AtlasDiscoveryService {
if (LOG.isDebugEnabled()) {
LOG.debug("Executing Full text query: {}", fullTextQuery);
}
ret.setFullTextResult(getIndexQueryResults(idxQuery, params));
ret.setFullTextResult(getIndexQueryResults(idxQuery, params, excludeDeletedEntities));
return ret;
}
@Override
public AtlasSearchResult searchUsingBasicQuery(String query, String typeName, String classification, String attrName,
String attrValuePrefix, int limit, int offset) throws AtlasBaseException {
String attrValuePrefix, boolean excludeDeletedEntities, int limit,
int offset) throws AtlasBaseException {
AtlasSearchResult ret = new AtlasSearchResult(AtlasQueryType.BASIC);
if (LOG.isDebugEnabled()) {
......@@ -267,6 +270,10 @@ public class EntityDiscoveryService implements AtlasDiscoveryService {
}
}
if (skipDeletedEntities(excludeDeletedEntities, vertex)) {
continue;
}
resultIdx++;
if (resultIdx <= startIdx) {
......@@ -314,6 +321,10 @@ public class EntityDiscoveryService implements AtlasDiscoveryService {
if (firstElement instanceof AtlasVertex) {
for (Object element : queryResult) {
if (element instanceof AtlasVertex) {
if (skipDeletedEntities(excludeDeletedEntities, (AtlasVertex) element)) {
continue;
}
ret.addEntity(entityRetriever.toAtlasEntityHeader((AtlasVertex) element));
} else {
LOG.warn("searchUsingBasicQuery({}): expected an AtlasVertex; found unexpected entry in result {}", basicQuery, element);
......@@ -331,13 +342,18 @@ public class EntityDiscoveryService implements AtlasDiscoveryService {
return ret;
}
private List<AtlasFullTextResult> getIndexQueryResults(AtlasIndexQuery query, QueryParams params) throws AtlasBaseException {
private List<AtlasFullTextResult> getIndexQueryResults(AtlasIndexQuery query, QueryParams params, boolean excludeDeletedEntities) throws AtlasBaseException {
List<AtlasFullTextResult> ret = new ArrayList<>();
Iterator<Result> iter = query.vertices();
while (iter.hasNext() && ret.size() < params.limit()) {
Result idxQueryResult = iter.next();
AtlasVertex vertex = idxQueryResult.getVertex();
if (skipDeletedEntities(excludeDeletedEntities, vertex)) {
continue;
}
String guid = vertex != null ? vertex.getProperty(Constants.GUID_PROPERTY_KEY, String.class) : null;
if (guid != null) {
......@@ -422,4 +438,8 @@ public class EntityDiscoveryService implements AtlasDiscoveryService {
return ret;
}
private boolean skipDeletedEntities(boolean excludeDeletedEntities, AtlasVertex<?, ?> vertex) {
return excludeDeletedEntities && GraphHelper.getStatus(vertex) == Status.DELETED;
}
}
webapp/src/main/java/org/apache/atlas/web/rest/DiscoveryREST.java
......@@ -114,6 +114,7 @@ public class DiscoveryREST {
@Consumes(Servlets.JSON_MEDIA_TYPE)
@Produces(Servlets.JSON_MEDIA_TYPE)
public AtlasSearchResult searchUsingFullText(@QueryParam("query") String query,
@QueryParam("excludeDeletedEntities") boolean excludeDeletedEntities,
@QueryParam("limit") int limit,
@QueryParam("offset") int offset) throws AtlasBaseException {
AtlasPerfTracer perf = null;
......@@ -124,7 +125,7 @@ public class DiscoveryREST {
limit + "," + offset + ")");
}
return atlasDiscoveryService.searchUsingFullTextQuery(query, limit, offset);
return atlasDiscoveryService.searchUsingFullTextQuery(query, excludeDeletedEntities, limit, offset);
} finally {
AtlasPerfTracer.log(perf);
}
......@@ -150,6 +151,7 @@ public class DiscoveryREST {
public AtlasSearchResult searchUsingBasic(@QueryParam("query") String query,
@QueryParam("typeName") String typeName,
@QueryParam("classification") String classification,
@QueryParam("excludeDeletedEntities") boolean excludeDeletedEntities,
@QueryParam("limit") int limit,
@QueryParam("offset") int offset) throws AtlasBaseException {
AtlasPerfTracer perf = null;
......@@ -160,7 +162,8 @@ public class DiscoveryREST {
typeName + "," + classification + "," + limit + "," + offset + ")");
}
return atlasDiscoveryService.searchUsingBasicQuery(query, typeName, classification, null, null, limit, offset);
return atlasDiscoveryService.searchUsingBasicQuery(query, typeName, classification, null, null,
excludeDeletedEntities, limit, offset);
} finally {
AtlasPerfTracer.log(perf);
}
......@@ -201,7 +204,7 @@ public class DiscoveryREST {
String.format("attrName : {0}, attrValue: {1} for attribute search.", attrName, attrValuePrefix));
}
return atlasDiscoveryService.searchUsingBasicQuery(null, typeName, null, attrName, attrValuePrefix, limit, offset);
return atlasDiscoveryService.searchUsingBasicQuery(null, typeName, null, attrName, attrValuePrefix, true, limit, offset);
} finally {
AtlasPerfTracer.log(perf);
......
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