Merge branch 'master' of https://community.opengroup.org/osdu/platform/system/indexer-service

README.md

 # Introduction 
 
+os-indexer-azure is a [Spring Boot](https://spring.io/projects/spring-boot) service that is responsible for indexing Records that enable the `os-search` service to execute OSDU R2 domain searches against Elasticsearch.
+
 ## Azure Implementation
 
 The [os-indexer-azure README.md](./provider/indexer-azure/README.md) has all the information needed to get started
@@ -9,3 +11,4 @@ running the `os-indexer` Azure implementation
 
 All documentation for the GCP implementation of `os-indexer` lives [here](./provider/indexer-gcp/README.md)
 
+

devops/azure/chart/templates/deployment.yaml

@@ -91,6 +91,8 @@ spec:
           value: http://entitlements-azure/entitlements/v1
         - name: entitlements_service_api_key
           value: "OBSOLETE"
+        - name: schema_service_url
+          value: http://schema-service/api/schema-service/v1
         - name: storage_service_url
           value: http://storage/api/storage/v2
         - name: STORAGE_SCHEMA_HOST

devops/azure/release.yaml

@@ -152,6 +152,8 @@ spec:
           value: http://entitlements-azure/entitlements/v1
         - name: entitlements_service_api_key
           value: "OBSOLETE"
+        - name: schema_service_url
+          value: http://schema-service/api/schema-service/v1
         - name: storage_service_url
           value: http://storage/api/storage/v2
         - name: STORAGE_SCHEMA_HOST

docs/tutorial/IndexerService.md

@@ -7,6 +7,7 @@
 - [Reindex <a name="reindex"></a>](#reindex)
 - [Copy Index <a name="copy-index"></a>](#copy-index)
 - [Get task status <a name="get-task-status"></a>](#get-task-status)
+- [Schema Service adoption <a name="schema-service-adoption"></a>](#schema-service-adoption)
 
 
 ##Introduction <a name="introduction"></a>
@@ -250,3 +251,12 @@ API will respond with status of task.
 
 [Back to table of contents](#TOC)
 
+##Shema Service adoption <a name="schema-service-adoption"></a>
+
+Indexer service is in adaptation process to use schemas from the Schema service instead of Storage Service.
+The Indexer Service retrieves a schema from the Schema Service if the schema is not found on the Storage Service.
+Change affects only Azure implementation so far.
+Later call to the Storage Service will be deprecated and then removed (after the end of the deprecation period).
+
+[Back to table of contents](#TOC)
+

indexer-core/src/main/java/org/opengroup/osdu/indexer/config/IndexerConfigurationProperties.java

@@ -47,6 +47,7 @@ public class IndexerConfigurationProperties {
 	private String storageQueryRecordHost;
 	private Integer storageRecordsBatchSize;
 	private String storageSchemaHost;
+	private String schemaHost;
 	private String entitlementsHost;
 	private String entitlementTargetAudience;
 	private String indexerQueueHost;

indexer-core/src/main/java/org/opengroup/osdu/indexer/logging/AuditEvents.java

@@ -27,6 +27,7 @@ public class AuditEvents {
     private static final String INDEX_CREATE_RECORDS_SUCCESS = "Successfully created record in index";
     private static final String INDEX_CREATE_RECORDS_FAILURE = "Failed creating record in index";
 
+
     private static final String INDEX_UPDATE_RECORD_ACTION_ID = "IN002";
     private static final String INDEX_UPDATE_RECORDS_SUCCESS = "Successfully updated record in index";
     private static final String INDEX_UPDATE_RECORDS_FAILURE = "Failed updating record in index";

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/PropertiesProcessor.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter;
+import org.apache.http.HttpStatus;
+import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
+import org.opengroup.osdu.core.common.model.http.AppException;
+import org.opengroup.osdu.core.common.search.Preconditions;
+import org.opengroup.osdu.indexer.schema.converter.config.SchemaConverterConfig;
+import org.opengroup.osdu.indexer.schema.converter.config.SchemaConverterPropertiesConfig;
+import org.opengroup.osdu.indexer.schema.converter.tags.AllOfItem;
+import org.opengroup.osdu.indexer.schema.converter.tags.Definition;
+import org.opengroup.osdu.indexer.schema.converter.tags.Definitions;
+import org.opengroup.osdu.indexer.schema.converter.tags.TypeProperty;
+
+import java.util.*;
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+public class PropertiesProcessor {
+
+    private JaxRsDpsLog log;
+    private SchemaConverterConfig schemaConverterConfig;
+
+    private static final String DEF_PREFIX = "#/definitions/";
+    private static final String LINK_PREFIX = "^srn";
+    private static final String LINK_TYPE = "link";
+
+    private final Definitions definitions;
+    private final String pathPrefix;
+    private final String pathPrefixWithDot;
+
+    public PropertiesProcessor(Definitions definitions, JaxRsDpsLog log, SchemaConverterConfig schemaConverterConfig) {
+        this(definitions, null, log, schemaConverterConfig);
+    }
+
+    public PropertiesProcessor(Definitions definitions, String pathPrefix, JaxRsDpsLog log, SchemaConverterConfig schemaConverterConfig) {
+        this.log = log;
+        this.definitions = definitions;
+        this.pathPrefix = pathPrefix;
+        this.pathPrefixWithDot = Objects.isNull(pathPrefix) || pathPrefix.isEmpty() ? "" : pathPrefix + ".";
+        this.schemaConverterConfig = schemaConverterConfig;
+    }
+
+    public Stream<Map<String, Object>> processItem(AllOfItem allOfItem) {
+        Preconditions.checkNotNull(allOfItem, "allOfItem cannot be null");
+
+        String ref = allOfItem.getRef();
+
+        return Objects.isNull(ref) ?
+                allOfItem.getProperties().entrySet().stream().flatMap(this::processPropertyEntry) : processRef(ref);
+    }
+
+    public Stream<Map<String, Object>> processRef(String ref) {
+        Preconditions.checkNotNull(ref, "reference cannot be null");
+
+        if (!ref.contains(DEF_PREFIX)) {
+            log.warning("Unknown definition:" + ref);
+            return Stream.empty();
+        }
+
+        String definitionSubRef = ref.substring(DEF_PREFIX.length());
+
+        if (schemaConverterConfig.getSkippedDefinitions().contains(definitionSubRef)) {
+            return Stream.empty();
+        }
+
+        if (Objects.nonNull(schemaConverterConfig.getSpecialDefinitionsMap().get(definitionSubRef))) {
+            return storageSchemaEntry(schemaConverterConfig.getSpecialDefinitionsMap().get(definitionSubRef), pathPrefix);
+        }
+
+        Definition definition = definitions.getDefinition(definitionSubRef);
+        Optional.ofNullable(definition).orElseThrow(() ->
+                new AppException(HttpStatus.SC_NOT_FOUND, "Failed to find definition:" + definitionSubRef,
+                        "Unknown definition:" + definitionSubRef));
+
+        return definition.getProperties().entrySet().stream().flatMap(this::processPropertyEntry);
+    }
+
+    private Stream<Map<String, Object>> processPropertyEntry(Map.Entry<String, TypeProperty> entry) {
+        Preconditions.checkNotNull(entry, "entry cannot be null");
+
+        if ("object".equals(entry.getValue().getType())
+                && Objects.isNull(entry.getValue().getItems())
+                && Objects.isNull(entry.getValue().getRef())
+                && Objects.isNull(entry.getValue().getProperties())) {
+            return Stream.empty();
+        }
+
+        if ("array".equals(entry.getValue().getType())) {
+            if (schemaConverterConfig.getSupportedArrayTypes().contains(entry.getValue().getItems().getType())) {
+                return storageSchemaEntry("[]" + getTypeByDefinitionProperty(entry.getValue()), pathPrefixWithDot + entry.getKey());
+            }
+
+            return Stream.empty();
+        }
+
+        if (Objects.nonNull(entry.getValue().getProperties())) {
+            PropertiesProcessor propertiesProcessor = new PropertiesProcessor(definitions, pathPrefixWithDot + entry.getKey()
+                    , log, new SchemaConverterPropertiesConfig());
+            return entry.getValue().getProperties().entrySet().stream().flatMap(propertiesProcessor::processPropertyEntry);
+        }
+
+        if (Objects.nonNull(entry.getValue().getRef())) {
+            return new PropertiesProcessor(definitions, pathPrefixWithDot + entry.getKey(), log, new SchemaConverterPropertiesConfig())
+                    .processRef(entry.getValue().getRef());
+        }
+
+        return storageSchemaEntry(getTypeByDefinitionProperty(entry.getValue()), pathPrefixWithDot + entry.getKey());
+    }
+
+    private Stream<Map<String, Object>> storageSchemaEntry(String kind, String path) {
+        Preconditions.checkNotNullOrEmpty(kind, "kind cannot be null or empty");
+        Preconditions.checkNotNullOrEmpty(path, "path cannot be null or empty");
+
+        Map<String, Object> map = new HashMap<>();
+        map.put("kind", kind);
+        map.put("path", path);
+        return Stream.of(map);
+    }
+
+    private String getTypeByDefinitionProperty(TypeProperty definitionProperty) {
+        Preconditions.checkNotNull(definitionProperty, "definitionProperty cannot be null");
+
+        return Stream.of(
+                getFromPattern(definitionProperty.getPattern()),
+                getFromItemsPattern(() -> definitionProperty.getItems() != null ? definitionProperty.getItems().getPattern() : null),
+                getFromFormat(definitionProperty::getFormat),
+                getFromItemsType (() -> definitionProperty.getItems() != null ? definitionProperty.getItems().getType() : null))
+                .filter(x -> x.get() != null)
+                .findFirst()
+                .orElse(getFromType(definitionProperty::getType)).get();
+    }
+
+    private Supplier<String> getFromPattern(String pattern) {
+        return () -> Objects.nonNull(pattern) && pattern.startsWith(LINK_PREFIX) ? LINK_TYPE : null;
+    }
+
+    private Supplier<String> getFromItemsPattern(Supplier<String> itemsPatternSupplier) {
+        return () -> {
+                String itemsPattern = itemsPatternSupplier.get();
+                return Objects.nonNull(itemsPattern) && itemsPattern.startsWith(LINK_PREFIX) ? LINK_TYPE : null;
+            };
+    }
+
+    private Supplier<String> getFromType(Supplier<String> typeSupplier) {
+        return  () -> {
+            String type = typeSupplier.get();
+            return schemaConverterConfig.getPrimitiveTypesMap().getOrDefault(type, type);
+        };
+    }
+
+    private Supplier<String> getFromFormat(Supplier<String> formatSupplier){
+        return  () -> {
+            String format = formatSupplier.get();;
+            return Objects.nonNull(format) ? schemaConverterConfig.getPrimitiveTypesMap().getOrDefault(format, format) : null;
+        };
+    }
+
+    private Supplier<String> getFromItemsType(Supplier<String> itemsTypeSupplier) {
+        return () -> {
+            String itemsType = itemsTypeSupplier.get();
+            return Objects.nonNull(itemsType) ? schemaConverterConfig.getPrimitiveTypesMap().getOrDefault(itemsType, itemsType) : null;
+        };
+    }
+
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/SchemaToStorageFormatImpl.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.http.HttpStatus;
+import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
+import org.opengroup.osdu.core.common.model.http.AppException;
+import org.opengroup.osdu.core.common.search.Preconditions;
+import org.opengroup.osdu.indexer.schema.converter.config.SchemaConverterConfig;
+import org.opengroup.osdu.indexer.schema.converter.interfaces.SchemaToStorageFormat;
+import org.opengroup.osdu.indexer.schema.converter.tags.PropertiesData;
+import org.opengroup.osdu.indexer.schema.converter.tags.SchemaRoot;
+import org.springframework.stereotype.Component;
+
+import javax.inject.Inject;
+import java.util.*;
+import java.util.stream.Collectors;
+
+/**
+ * Converts schema from Schema Service format to Storage Service format
+ */
+@Component
+public class SchemaToStorageFormatImpl implements SchemaToStorageFormat {
+
+    private ObjectMapper objectMapper;
+    private JaxRsDpsLog log;
+    private SchemaConverterConfig schemaConverterConfig;
+
+    @Inject
+    public SchemaToStorageFormatImpl(ObjectMapper objectMapper, JaxRsDpsLog log, SchemaConverterConfig schemaConverterConfig) {
+        Preconditions.checkNotNull(objectMapper, "objectMapper cannot be null");
+
+        this.objectMapper = objectMapper;
+        this.log = log;
+        this.schemaConverterConfig = schemaConverterConfig;
+    }
+
+    @Override
+    public String convertToString(final String schemaServiceFormat, String kind) {
+        Preconditions.checkNotNullOrEmpty(schemaServiceFormat, "schemaServiceFormat cannot be null or empty");
+        Preconditions.checkNotNullOrEmpty(kind, "kind cannot be null or empty");
+
+        return saveJsonToString(convert(parserJsonString(schemaServiceFormat), kind));
+    }
+
+    public Map<String, Object> convertToMap(final String schemaServiceFormat, String kind) {
+        Preconditions.checkNotNullOrEmpty(schemaServiceFormat, "schemaServiceFormat cannot be null or empty");
+        Preconditions.checkNotNullOrEmpty(kind, "kind cannot be null or empty");
+
+        return convert(parserJsonString(schemaServiceFormat), kind);
+    }
+
+    private SchemaRoot parserJsonString(final String schemaServiceFormat) {
+        try {
+            return objectMapper.readValue(schemaServiceFormat, SchemaRoot.class);
+        } catch (JsonProcessingException e) {
+            throw new AppException(HttpStatus.SC_BAD_REQUEST, "Loading shchem error", "Failed to load schema", e);
+        }
+    }
+
+    private String saveJsonToString(final Map<String, Object> schemaServiceFormat) {
+        try {
+            return objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(schemaServiceFormat);
+        } catch (JsonProcessingException e) {
+            throw new AppException(HttpStatus.SC_UNPROCESSABLE_ENTITY, "Saving JSON error", "Failed to save a JSON file", e);
+        }
+    }
+
+    private Map<String, Object> convert(SchemaRoot schemaServiceSchema, String kind) {
+        Preconditions.checkNotNull(objectMapper, "schemaServiceSchema cannot be null");
+        Preconditions.checkNotNullOrEmpty(kind, "kind cannot be null or empty");
+
+        PropertiesProcessor propertiesProcessor = new PropertiesProcessor(schemaServiceSchema.getDefinitions(), log, schemaConverterConfig);
+
+        final List<Map<String, Object>> storageSchemaItems = new ArrayList<>();
+        if (schemaServiceSchema.getProperties() != null) {
+            PropertiesData schemaData = schemaServiceSchema.getProperties().getData();
+            if (!Objects.isNull(schemaData)) {
+
+                if (schemaData.getAllOf() != null) {
+                    storageSchemaItems.addAll(schemaServiceSchema.getProperties().getData().getAllOf().stream()
+                            .flatMap(propertiesProcessor::processItem)
+                            .collect(Collectors.toList()));
+                }
+
+                if (schemaData.getRef() != null) {
+                    storageSchemaItems.addAll(propertiesProcessor.processRef(schemaData.getRef())
+                            .collect(Collectors.toList()));
+                }
+            }
+        } else {
+            log.warning("Schema doesn't have properties, kind:" + kind);
+        }
+
+        final Map<String, Object> result = new LinkedHashMap<>();
+        result.put("kind", kind);
+        result.put("schema", storageSchemaItems);
+
+        return result;
+    }
+
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/config/SchemaConverterConfig.java

+package org.opengroup.osdu.indexer.schema.converter.config;
+
+import java.util.Map;
+import java.util.Set;
+
+/*
+Provides configuration for the schema converter
+ */
+public interface SchemaConverterConfig {
+    Set<String> getSkippedDefinitions();
+    Set<String> getSupportedArrayTypes();
+    Map<String, String> getSpecialDefinitionsMap();
+    Map<String, String> getPrimitiveTypesMap();
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/config/SchemaConverterPropertiesConfig.java

+package org.opengroup.osdu.indexer.schema.converter.config;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.*;
+
+@Configuration
+@ConfigurationProperties(prefix = "schema.converter")
+@Getter
+@Setter
+public class SchemaConverterPropertiesConfig implements SchemaConverterConfig {
+
+    private Set<String> skippedDefinitions = getDefaultSkippedDefinitions();
+    private Set<String> supportedArrayTypes = getDefaultSupportedArrayTypes();
+    private Map<String, String> specialDefinitionsMap = getDefaultSpecialDefinitionsMap();
+    private Map<String, String> primitiveTypesMap = getDefaultPrimitiveTypesMap();
+
+    private Set<String> getDefaultSkippedDefinitions() {
+        return new HashSet<>(Arrays.asList("AbstractAnyCrsFeatureCollection.1.0.0",
+                "anyCrsGeoJsonFeatureCollection"));
+    }
+
+    private Set<String> getDefaultSupportedArrayTypes() {
+        return new HashSet<>(Arrays.asList("boolean", "integer", "number", "string"));
+    }
+
+    private Map<String, String> getDefaultSpecialDefinitionsMap() {
+        Map<String, String> defaultSpecialDefinitions = new HashMap<>();
+
+        defaultSpecialDefinitions.put("AbstractFeatureCollection.1.0.0", "core:dl:geoshape:1.0.0");
+        defaultSpecialDefinitions.put("core_dl_geopoint", "core:dl:geopoint:1.0.0");
+        defaultSpecialDefinitions.put("geoJsonFeatureCollection", "core:dl:geoshape:1.0.0");
+
+        return defaultSpecialDefinitions;
+    }
+
+    private Map<String, String> getDefaultPrimitiveTypesMap() {
+        Map<String, String> defaultPrimitiveTypesMap = new HashMap<>();
+
+        defaultPrimitiveTypesMap.put("boolean", "bool");
+        defaultPrimitiveTypesMap.put("number", "double");
+        defaultPrimitiveTypesMap.put("date-time", "datetime");
+        defaultPrimitiveTypesMap.put("date", "datetime");
+        defaultPrimitiveTypesMap.put("time", "datetime");
+        defaultPrimitiveTypesMap.put("int32", "int");
+        defaultPrimitiveTypesMap.put("integer", "int");
+        defaultPrimitiveTypesMap.put("int64", "long");
+
+        return defaultPrimitiveTypesMap;
+    }
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/interfaces/SchemaToStorageFormat.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.interfaces;
+
+public interface SchemaToStorageFormat {
+    String convertToString(String schemaServiceFormat, String kind);
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/readme.md

+Schema Service schema conversion.
+=================================
+
+Purpose
+-------
+
+The purpose of this document is to describe schema conversion from the
+Schema Service format to the Storage Service format.
+
+Storage Service schema has the following JSON format
+----------------------------------------------------
+```json
+{
+  "kind": "<kind>",
+  "schema": [
+    {
+      "kind": "<type>",
+      "path": "<path>"
+    },
+    {
+      "kind": "<type>",
+      "path": "<path>"
+    },
+	…
+}
+
+```
+
+Where \<kind\> - id of a kind, \<type\> - type of the described entity
+(for instance link, string,datetime, \[\]string, etc.), \<path\> -
+path/name/id of the described entity (for instance FacilityID, WellID,
+ProjectedBottomHoleLocation.CoordinateQualityCheckDateTime, etc.)
+
+Shema Service format follows JSON schema format. 
+------------------------------------------------
+
+Please see <https://tools.ietf.org/html/draft-handrews-json-schema-02>
+for the details
+
+Example
+
+```json
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Wellbore",
+  "description": "A hole in the ground extending from a point at the earth's surface to the maximum point of penetration.",
+  "type": "object",
+  "properties": {…},
+  "required": […],
+  "additionalProperties": false,
+  "definitions": {…}
+}
+
+```
+
+We are interested in "properties.data" and "definitions" sections.
+
+"definitions" contains definitions of complex types. "properties.data"
+contains attributes that are used in a certain schema and can refer to
+the definition section (in that case we have to unwrap definition
+section and turn into simple types). Sibling properties to
+properties.data are ignored as the so-called system properties are
+shared with all records.
+
+"properties.data" may have 0..n references to the "definitions" section
+and 0..m properties that describe schema sections. For instance
+
+```json
+"data": {
+  "$ref": "#/definitions/wellboreData",
+  "description": "Wellbore data container",
+  "title": "Wellbore Data"
+}
+
+```
+
+This means "wellboreData" has to be found among definitions and data are
+included
+
+```json
+"data": {
+  "allOf": [
+    {
+      "$ref": "#/definitions/AbstractFacility.1.0.0"
+    },
+    {
+      "type": "object",
+      "properties": {
+        "WellID": {
+          "type": "string",
+          "pattern": "^srn:<namespace>:master-data\\/Well:[^:]+:[0-9]*$"
+        },
+        "SequenceNumber": {
+          "description": "A number that indicates the order in which wellbores were drilled.",
+          "type": "integer"
+        },
+…
+
+```
+
+
+This means \"AbstractFacility.1.0.0\" must be processed, plus
+\"WellID\", \"SequenceNumber\", ...
+
+References can have references to other reference(-s), in that case
+Storage Schema has a composite path.
+
+For instance,
+
+```json
+"elevationReference": {
+  "$ref": "#/definitions/simpleElevationReference",
+  "description": "…",
+  "title": "Elevation Reference",
+  "type": "object"
+},
+…
+"simpleElevationReference": {
+  "description": "...",
+  "properties": {
+    "elevationFromMsl": {
+      "$ref": "#/definitions/valueWithUnit",
+      "description": "…",
+      "example": 123.45,
+      "title": "Elevation from MSL",
+      "x-slb-measurement": "Standard_Depth_Index"
+    },
+…
+"valueWithUnit": {
+  "description": "Number value ...",
+  "properties": {
+    "value": {
+      "description": "Value of the corresponding...",
+      "example": 30.2,
+      "title": "Value",
+      "type": "number"
+    }
+  }
+
+```
+
+Is converted to
+
+```json
+{
+  "kind": "double",
+  "path": "elevationReference.elevationFromMsl.value"
+}
+
+```
+
+\"path\":\"elevationReference.elevationFromMsl.value\" consists of 3
+names separated with dot.
+
+Not all data are converted to the storage service schema format:
+----------------------------------------------------------------
+
+1.  Definitions
+
+Ignored definition(-s) are not included into Storage Service schema:
+
+```json
+AbstractAnyCrsFeatureCollection.1.0.0
+anyCrsGeoJsonFeatureCollection
+```
+
+Following definitions are not unwrapped and kind is determined according
+to the following types conversions:
+
+```json
+AbstractFeatureCollection.1.0.0 -> core:dl:geoshape:1.0.0
+geoJsonFeatureCollection -> core:dl:geoshape:1.0.0
+core_dl_geopoint -> core:dl:geopoint:1.0.0
+```
+
+for instance
+
+```json
+"Wgs84Coordinates": {
+  "title": "WGS 84 Coordinates",
+  "description": "…",
+  "$ref": "#/definitions/AbstractFeatureCollection.1.0.0"
+}
+
+```
+
+Is converted to
+
+```json
+{
+  "kind": "core:dl:geoshape:1.0.0",
+  "path": "Wgs84Coordinates"
+}
+```
+
+2.  Arrays
+
+Arrays of complex types are ignored, only following arrays of primitive
+types are supported
+
+```json
+"number", "string", "integer", "boolean"
+```
+
+Following primitive types are converted to the Storage Service Schema types (all other types like string are used as is):
+----------------------------------------------------------------------------
+
+```json
+"date-time"->"datetime"
+"date"->"datetime"
+"int64"->"long"
+"number"->"double"
+"boolean"->"bool"
+"integer"->"int"
+```
+
+Type selection according to attributes.
+---------------------------------------
+
+One or more attributes of a single entity may have values with types.
+Following attributes are considered to select a type for the Storage
+Schema kind (ordered according to selection priority):
+```json
+"pattern", "format", "items.type", "type"
+```
+If \"pattern\" starts with \"\^srn\" the returned kind is \"link\"
+
+Arrays of primitive types have \[\] before the type (for instance
+\"\[\]string\")
+
+Examples
+--------
+
+#### Simple String
+
+```json
+"FacilityID": {
+  "description": "A system-specified unique identifier of a Facility.",
+  "type": "string"
+},
+
+```
+
+\"kind\":\"string\"
+
+#### Nested Arrays of Structures
+
+```json
+"FacilityTypeID": {
+  "description": "The definition of a kind of capability to perform a business function or a service.",
+  "type": "string",
+  "pattern": "^srn:<namespace>:reference-data\\/FacilityType:[^:]+:[0-9]*$"
+},
+
+```
+
+\"kind\":\"link\"
+
+```json
+"FacilityOperator": {
+  "description": "The history of operator organizations of the facility.",
+  "type": "array",
+  "items": {
+    "$ref": "#/definitions/AbstractFacilityOperator.1.0.0"
+  }
+}
+
+```
+
+Ignored for now (array of references)
+
+#### Object References by ID
+
+```json
+"externalIds": {
+  "description": "An array of identities (e.g. some kind if URL to be resolved in an external data store), which links to external realizations of the same entity.",
+  "format": "link",
+  "items": {
+    "type": "string"
+  },
+  "title": "Array of External IDs",
+  "type": "array"
+},
+
+```
+
+\"kind\": \"\[\]link\"
+
+#### Long Integers
+
+```json
+"version": {
+  "description": "The version number of this wellbore; set by the framework.",
+  "example": "1040815391631285",
+  "format": "int64",
+  "title": "Entity Version Number",
+  "type": "number"
+}
+
+```
+
+\"kind\": \"long\"
\ No newline at end of file

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/AllOfItem.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.util.Map;
+
+@Data
+public class AllOfItem {
+    @JsonProperty("$ref")
+    private String ref;
+    private String type;
+    private Map<String, TypeProperty> properties;
+}
\ No newline at end of file

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/Definition.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import lombok.Data;
+
+import java.util.Map;
+
+@Data
+public class Definition {
+    private Map<String, TypeProperty> properties;
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/Definitions.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Definitions {
+    private Map<String, Definition> items = new HashMap<>();
+
+    public Definition getDefinition(String name) {
+        return items.get(name);
+    }
+
+    @JsonAnySetter
+    public void add(String key, Definition value) {
+        items.put(key, value);
+    }
+
+    @JsonAnyGetter
+    public Map<String, Definition> getProperties() {
+        return items;
+    }
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/Items.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import lombok.Data;
+
+@Data
+public class Items {
+    private String type;
+    private String pattern;
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/Properties.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class Properties {
+    private PropertiesData data;
+    @JsonProperty("$ref")
+    private String ref;
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/PropertiesData.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class PropertiesData {
+    private List<AllOfItem> allOf;
+    @JsonProperty("$ref")
+    private String ref;
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/SchemaRoot.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import lombok.Data;
+
+@Data
+public class SchemaRoot {
+    private Definitions definitions;
+    private Properties properties;
+}

indexer-core/src/main/java/org/opengroup/osdu/indexer/schema/converter/tags/TypeProperty.java

+// Copyright 2017-2020, Schlumberger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.opengroup.osdu.indexer.schema.converter.tags;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.util.Map;
+
+@Data
+public class TypeProperty {
+    private String type;
+    private String pattern;
+    private String format;
+    @JsonProperty("$ref")
+    private String ref;
+    private Items items;
+    private Map<String, TypeProperty> properties;
+}