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authorToineSiebelink <toine.siebelink@est.tech>2021-04-30 12:09:44 +0100
committerToineSiebelink <toine.siebelink@est.tech>2021-04-30 12:10:09 +0100
commit6c9c100daba10717641a08b6c6dc3ec3b51c56a8 (patch)
tree8d093337d257cf9ad79b0f80486841df92c9d99f /cps-ri/src/main/java/org
parentc718b88511539c3b85d3fcd3d7c84e3baa89b749 (diff)
Implement cps path query to get ancestor by schema node identifier
Cleaned up some legcy issues in related testware Issue-ID: CPS-305 Signed-off-by: niamhcore <niamh.core@est.tech> Change-Id: Ic4b21308478f399e3a454dbcd73943e077b0f3f2 Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Diffstat (limited to 'cps-ri/src/main/java/org')
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java27
-rw-r--r--cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java68
-rwxr-xr-xcps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java3
3 files changed, 73 insertions, 25 deletions
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
index 48f1de710d..ab135fd3ae 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsDataPersistenceServiceImpl.java
@@ -28,9 +28,11 @@ import com.google.common.collect.ImmutableSet.Builder;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.util.Collections;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
+import java.util.regex.Pattern;
import java.util.stream.Collectors;
import org.onap.cps.spi.CpsDataPersistenceService;
import org.onap.cps.spi.FetchDescendantsOption;
@@ -62,6 +64,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
private FragmentRepository fragmentRepository;
private static final Gson GSON = new GsonBuilder().create();
+ private static final String REG_EX_FOR_OPTIONAL_LIST_INDEX = "(\\[@\\S+?]){0,1})";
@Override
public void addChildDataNode(final String dataspaceName, final String anchorName, final String parentXpath,
@@ -82,7 +85,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
try {
fragmentRepository.save(fragmentEntity);
} catch (final DataIntegrityViolationException exception) {
- throw AlreadyDefinedException.forDataNode(dataNode.getXpath(), anchorName, exception);
+ throw AlreadyDefinedException.forDataNode(dataNode.getXpath(), anchorName, exception);
}
}
@@ -144,7 +147,7 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
final var anchorEntity = anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
final var cpsPathQuery = CpsPathQuery.createFrom(cpsPath);
- final List<FragmentEntity> fragmentEntities;
+ List<FragmentEntity> fragmentEntities;
if (CpsPathQueryType.XPATH_LEAF_VALUE.equals(cpsPathQuery.getCpsPathQueryType())) {
fragmentEntities = fragmentRepository
.getByAnchorAndXpathAndLeafAttributes(anchorEntity.getId(), cpsPathQuery.getXpathPrefix(),
@@ -158,11 +161,31 @@ public class CpsDataPersistenceServiceImpl implements CpsDataPersistenceService
fragmentEntities = fragmentRepository
.getByAnchorAndXpathEndsInDescendantName(anchorEntity.getId(), cpsPathQuery.getDescendantName());
}
+ if (cpsPathQuery.hasAncestorAxis()) {
+ final Set<String> ancestorXpaths = processAncestorXpath(fragmentEntities, cpsPathQuery);
+ fragmentEntities = ancestorXpaths.isEmpty()
+ ? Collections.emptyList() : fragmentRepository.findAllByAnchorAndXpathIn(anchorEntity, ancestorXpaths);
+ }
return fragmentEntities.stream()
.map(fragmentEntity -> toDataNode(fragmentEntity, fetchDescendantsOption))
.collect(Collectors.toUnmodifiableList());
}
+ private static Set<String> processAncestorXpath(final List<FragmentEntity> fragmentEntities,
+ final CpsPathQuery cpsPathQuery) {
+ final Set<String> ancestorXpath = new HashSet<>();
+ final var pattern =
+ Pattern.compile("(\\S*\\/" + cpsPathQuery.getAncestorSchemaNodeIdentifier() + REG_EX_FOR_OPTIONAL_LIST_INDEX
+ + "\\/\\S*");
+ for (final FragmentEntity fragmentEntity : fragmentEntities) {
+ final var matcher = pattern.matcher(fragmentEntity.getXpath());
+ if (matcher.matches()) {
+ ancestorXpath.add(matcher.group(1));
+ }
+ }
+ return ancestorXpath;
+ }
+
private static DataNode toDataNode(final FragmentEntity fragmentEntity,
final FetchDescendantsOption fetchDescendantsOption) {
final Map<String, Object> leaves = GSON.fromJson(fragmentEntity.getAttributes(), Map.class);
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java b/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
index 6f53e0013d..f48d16590e 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
@@ -20,6 +20,8 @@
package org.onap.cps.spi.query;
+import static org.springframework.util.StringUtils.isEmpty;
+
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
@@ -39,6 +41,7 @@ public class CpsPathQuery {
private Object leafValue;
private String descendantName;
private Map<String, Object> leavesData;
+ private String ancestorSchemaNodeIdentifier;
private static final String NON_CAPTURING_GROUP_1_TO_99_YANG_CONTAINERS = "((?:\\/[^\\/]+){1,99})";
@@ -48,14 +51,14 @@ public class CpsPathQuery {
private static final Pattern QUERY_CPS_PATH_WITH_SINGLE_LEAF_PATTERN =
Pattern.compile(NON_CAPTURING_GROUP_1_TO_99_YANG_CONTAINERS + YANG_LEAF_VALUE_EQUALS_CONDITION);
- private static final Pattern DESCENDANT_ANYWHERE_PATTERN = Pattern.compile("\\/\\/([^\\/].+)");
+ private static final Pattern DESCENDANT_ANYWHERE_PATTERN = Pattern.compile("\\/\\/([^\\/][^:]+)");
private static final Pattern LEAF_INTEGER_VALUE_PATTERN = Pattern.compile("[-+]?\\d+");
private static final Pattern LEAF_STRING_VALUE_IN_SINGLE_QUOTES_PATTERN = Pattern.compile("'(.*)'");
private static final Pattern LEAF_STRING_VALUE_IN_DOUBLE_QUOTES_PATTERN = Pattern.compile("\"(.*)\"");
- private static final String YANG_MULTIPLE_LEAF_VALUE_EQUALS_CONDITION = "\\[(.*?)\\s{0,9}]";
+ private static final String YANG_MULTIPLE_LEAF_VALUE_EQUALS_CONDITION = "\\[(.*?)\\s{0,9}]";
private static final Pattern DESCENDANT_ANYWHERE_PATTERN_WITH_MULTIPLE_LEAF_PATTERN =
Pattern.compile(DESCENDANT_ANYWHERE_PATTERN + YANG_MULTIPLE_LEAF_VALUE_EQUALS_CONDITION);
@@ -64,45 +67,60 @@ public class CpsPathQuery {
private static final Pattern LEAF_VALUE_PATTERN = Pattern.compile("@(\\S+?)=(.*)");
+ private static final Pattern ANCESTOR_AXIS_PATTERN = Pattern.compile("(\\S+)\\/ancestor::\\/?(\\S+)");
+
/**
* Returns a cps path query.
*
- * @param cpsPath cps path
+ * @param cpsPathSource cps path
* @return a CpsPath object.
*/
- public static CpsPathQuery createFrom(final String cpsPath) {
- var matcher = QUERY_CPS_PATH_WITH_SINGLE_LEAF_PATTERN.matcher(cpsPath);
- final var cpsPathQuery = new CpsPathQuery();
+ public static CpsPathQuery createFrom(final String cpsPathSource) {
+ var cpsPath = cpsPathSource;
+ final CpsPathQuery cpsPathQuery = new CpsPathQuery();
+ var matcher = ANCESTOR_AXIS_PATTERN.matcher(cpsPath);
if (matcher.matches()) {
- return buildCpsPathQueryWithSingleLeafPattern(cpsPath, matcher, cpsPathQuery);
+ cpsPath = matcher.group(1);
+ cpsPathQuery.setAncestorSchemaNodeIdentifier(matcher.group(2));
+ }
+ matcher = QUERY_CPS_PATH_WITH_SINGLE_LEAF_PATTERN.matcher(cpsPath);
+ if (matcher.matches()) {
+ cpsPathQuery.setParametersForSingleLeafValue(cpsPath, matcher);
+ return cpsPathQuery;
}
matcher = DESCENDANT_ANYWHERE_PATTERN_WITH_MULTIPLE_LEAF_PATTERN.matcher(cpsPath);
if (matcher.matches()) {
- return buildCpsQueryForDescendentWithLeafPattern(cpsPath, matcher, cpsPathQuery);
+ cpsPathQuery.setParametersForDescendantWithLeafValues(cpsPath, matcher);
+ return cpsPathQuery;
}
matcher = DESCENDANT_ANYWHERE_PATTERN.matcher(cpsPath);
if (matcher.matches()) {
- cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_ANYWHERE);
- cpsPathQuery.setDescendantName(matcher.group(1));
+ cpsPathQuery.setParametersForDescendantAnywhere(matcher);
return cpsPathQuery;
}
throw new CpsPathException("Invalid cps path.",
String.format("Cannot interpret or parse cps path '%s'.", cpsPath));
}
- private static CpsPathQuery buildCpsPathQueryWithSingleLeafPattern(final String cpsPath, final Matcher matcher,
- final CpsPathQuery cpsPathQuery) {
- cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_LEAF_VALUE);
- cpsPathQuery.setXpathPrefix(matcher.group(1));
- cpsPathQuery.setLeafName(matcher.group(2));
- cpsPathQuery.setLeafValue(convertLeafValueToCorrectType(matcher.group(3), cpsPath));
- return cpsPathQuery;
+ /**
+ * Has ancestor axis been populated.
+ *
+ * @return boolean value.
+ */
+ public boolean hasAncestorAxis() {
+ return !(isEmpty(ancestorSchemaNodeIdentifier));
+ }
+
+ private void setParametersForSingleLeafValue(final String cpsPath, final Matcher matcher) {
+ setCpsPathQueryType(CpsPathQueryType.XPATH_LEAF_VALUE);
+ setXpathPrefix(matcher.group(1));
+ setLeafName(matcher.group(2));
+ setLeafValue(convertLeafValueToCorrectType(matcher.group(3), cpsPath));
}
- private static CpsPathQuery buildCpsQueryForDescendentWithLeafPattern(final String cpsPath, final Matcher matcher,
- final CpsPathQuery cpsPathQuery) {
- cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_WITH_LEAF_VALUES);
- cpsPathQuery.setDescendantName(matcher.group(1));
+ private void setParametersForDescendantWithLeafValues(final String cpsPath, final Matcher matcher) {
+ setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_WITH_LEAF_VALUES);
+ setDescendantName(matcher.group(1));
final Map<String, Object> leafData = new HashMap<>();
for (final String leafValuePair : matcher.group(2).split(INDIVIDUAL_LEAF_DETAIL_PATTERN)) {
final var descendentMatcher = LEAF_VALUE_PATTERN.matcher(leafValuePair);
@@ -114,8 +132,12 @@ public class CpsPathQuery {
String.format("Cannot interpret or parse attributes in cps path '%s'.", cpsPath));
}
}
- cpsPathQuery.setLeavesData(leafData);
- return cpsPathQuery;
+ setLeavesData(leafData);
+ }
+
+ private void setParametersForDescendantAnywhere(final Matcher matcher) {
+ setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_ANYWHERE);
+ setDescendantName(matcher.group(1));
}
private static Object convertLeafValueToCorrectType(final String leafValueString, final String cpsPath) {
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
index b9874484c0..c484ae9e87 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
@@ -57,6 +57,9 @@ public interface FragmentRepository extends JpaRepository<FragmentEntity, Long>
.orElseThrow(() -> new DataNodeNotFoundException(dataspaceEntity.getName(), anchorEntity.getName()));
}
+ List<FragmentEntity> findAllByAnchorAndXpathIn(@NonNull AnchorEntity anchorEntity,
+ @NonNull Collection<String> xpath);
+
@Modifying
@Query("DELETE FROM FragmentEntity fe WHERE fe.anchor IN (:anchors)")
void deleteByAnchorIn(@NotNull @Param("anchors") Collection<AnchorEntity> anchorEntities);