org.apache.atlas.util.AtlasGremlinQueryProvider Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.atlas.util;
import org.apache.atlas.repository.graph.AtlasGraphProvider;
import org.apache.atlas.repository.graphdb.GremlinVersion;
/**
* Generic Gremlin query provider which is agnostic of the Gremlin/TinkerPop version being used in Atlas
*/
public abstract class AtlasGremlinQueryProvider {
public static final AtlasGremlinQueryProvider INSTANCE =
AtlasGraphProvider.getGraphInstance().getSupportedGremlinVersion() == GremlinVersion.THREE ?
new AtlasGremlin3QueryProvider() : new AtlasGremlin2QueryProvider();
abstract public String getQuery(final AtlasGremlinQuery gremlinQuery);
public enum AtlasGremlinQuery {
// Metrics related Queries
TYPE_COUNT_METRIC,
TYPE_UNUSED_COUNT_METRIC,
TAG_COUNT_METRIC,
ENTITY_ACTIVE_METRIC,
ENTITY_DELETED_METRIC,
ENTITIES_PER_TYPE_METRIC,
TAGGED_ENTITIES_METRIC,
ENTITIES_FOR_TAG_METRIC,
// Import Export related Queries
EXPORT_BY_GUID_FULL,
EXPORT_BY_GUID_CONNECTED_IN_EDGE,
EXPORT_BY_GUID_CONNECTED_OUT_EDGE,
EXPORT_TYPE_ALL_FOR_TYPE,
EXPORT_TYPE_STARTS_WITH,
EXPORT_TYPE_ENDS_WITH,
EXPORT_TYPE_CONTAINS,
EXPORT_TYPE_MATCHES,
EXPORT_TYPE_DEFAULT,
// Lineage Queries
FULL_LINEAGE_DATASET,
FULL_LINEAGE_PROCESS,
PARTIAL_LINEAGE_DATASET,
PARTIAL_LINEAGE_PROCESS,
// Discovery Queries
BASIC_SEARCH_TYPE_FILTER,
BASIC_SEARCH_CLASSIFICATION_FILTER,
BASIC_SEARCH_STATE_FILTER,
TO_RANGE_LIST,
GUID_PREFIX_FILTER,
RELATIONSHIP_SEARCH,
RELATIONSHIP_SEARCH_ASCENDING_SORT,
RELATIONSHIP_SEARCH_DESCENDING_SORT,
// Discovery test queries
GREMLIN_SEARCH_RETURNS_VERTEX_ID,
GREMLIN_SEARCH_RETURNS_EDGE_ID,
// Comparison clauses
COMPARE_LT,
COMPARE_LTE,
COMPARE_GT,
COMPARE_GTE,
COMPARE_EQ,
COMPARE_NEQ,
COMPARE_MATCHES,
COMPARE_STARTS_WITH,
COMPARE_ENDS_WITH,
COMPARE_CONTAINS,
COMPARE_IS_NULL,
COMPARE_NOT_NULL,
}
}