1 files changed, 176 insertions, 0 deletions
diff --git a/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/AggregationStatement.java b/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/AggregationStatement.java
new file mode 100644
index 0000000..a207e1a
--- /dev/null
+++ b/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/AggregationStatement.java
@@ -0,0 +1,176 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 Amdocs
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.aai.sa.searchdbabstraction.searchapi;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.Arrays;
+
+public class AggregationStatement {
+
+  @JsonProperty("group-by")
+  private GroupByAggregation groupBy;
+
+  @JsonProperty("date-range")
+  private DateRangeAggregation dateRange;
+
+  @JsonProperty("date-histogram")
+  private DateHistogramAggregation dateHist;
+
+  @JsonProperty("nested")
+  private Aggregation[] nested;
+
+  @JsonProperty("sub-aggregations")
+  private Aggregation[] subAggregations;
+
+  public GroupByAggregation getGroupBy() {
+    return groupBy;
+  }
+
+  public void setGroupBy(GroupByAggregation groupBy) {
+    this.groupBy = groupBy;
+  }
+
+  public DateRangeAggregation getDateRange() {
+    return dateRange;
+  }
+
+  public void setDateRange(DateRangeAggregation dateRange) {
+    this.dateRange = dateRange;
+  }
+
+  public DateHistogramAggregation getDateHist() {
+    return dateHist;
+  }
+
+  public void setDateHist(DateHistogramAggregation dateHist) {
+    this.dateHist = dateHist;
+  }
+
+  public Aggregation[] getNested() {
+    return nested;
+  }
+
+  public void setNested(Aggregation[] nested) {
+    this.nested = nested;
+  }
+
+  public Aggregation[] getSubAggregations() {
+    return subAggregations;
+  }
+
+  public void setSubAggregations(Aggregation[] subAggregations) {
+    this.subAggregations = subAggregations;
+  }
+
+  public String toElasticSearch() {
+    StringBuffer sb = new StringBuffer();
+
+    sb.append("{");
+
+    if (nested != null && nested.length > 0) {
+      sb.append("\"nested\": {\"path\": \"");
+      if (nested[0].getStatement() != null) {
+        sb.append(nested[0].getStatement().getNestedPath());
+      }
+      sb.append("\"}, \"aggs\": {");
+      for (int i = 0; i < nested.length; i++) {
+        if (i > 0) {
+          sb.append(",");
+        }
+        sb.append(nested[i].toElasticSearch());
+      }
+
+      sb.append("}");
+    } else {
+      if (groupBy != null) {
+        sb.append(groupBy.toElasticSearch());
+      } else if (dateRange != null) {
+        sb.append(dateRange.toElasticSearch());
+      } else if (dateHist != null) {
+        sb.append(dateHist.toElasticSearch());
+      }
+
+      if (subAggregations != null && subAggregations.length > 0) {
+        sb.append(", \"aggs\": {");
+        for (int i = 0; i < subAggregations.length; i++) {
+          if (i > 0) {
+            sb.append(",");
+          }
+          sb.append(subAggregations[i].toElasticSearch());
+        }
+        sb.append("}");
+      }
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  @Override
+  public String toString() {
+    StringBuffer sb = new StringBuffer();
+
+    if (nested != null) {
+      sb.append("{nested: ");
+      sb.append(Arrays.toString(nested));
+    } else if (groupBy != null) {
+      sb.append(groupBy.toString());
+    } else if (dateHist != null) {
+      sb.append(dateHist.toString());
+    } else if (dateRange != null) {
+      sb.append(dateRange.toString());
+    }
+
+    if (subAggregations != null) {
+      sb.append(", sub-aggregations: ");
+      sb.append(Arrays.toString(subAggregations));
+    }
+
+    sb.append("}");
+
+    return sb.toString();
+  }
+
+  public String getNestedPath() {
+    String path = null;
+    String fieldName = null;
+
+    if (groupBy != null) {
+      fieldName = groupBy.getField();
+    } else if (dateRange != null) {
+      fieldName = dateRange.getField();
+    } else if (dateHist != null) {
+      fieldName = dateHist.getField();
+    }
+
+    if (fieldName != null && fieldName.contains(".")) {
+      // we have nested field
+      path = fieldName.substring(0, fieldName.indexOf("."));
+    }
+
+    return path;
+  }
+
+}