Rename the 'searchdefinition' package to 'schema'

1 files changed, 83 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/schema/processing/ValidateFieldTypes.java b/config-model/src/main/java/com/yahoo/schema/processing/ValidateFieldTypes.java
new file mode 100644
index 00000000000..2327cf4d9c9
--- /dev/null
+++ b/config-model/src/main/java/com/yahoo/schema/processing/ValidateFieldTypes.java
@@ -0,0 +1,83 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.schema.processing;
+
+import com.yahoo.config.application.api.DeployLogger;
+import com.yahoo.document.DataType;
+import com.yahoo.document.TensorDataType;
+import com.yahoo.schema.RankProfileRegistry;
+import com.yahoo.schema.Schema;
+import com.yahoo.schema.document.Attribute;
+import com.yahoo.vespa.documentmodel.DocumentSummary;
+import com.yahoo.vespa.documentmodel.SummaryField;
+import com.yahoo.vespa.model.container.search.QueryProfiles;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * This Processor makes sure all fields with the same name have the same {@link DataType}. This check
+ * explicitly disregards whether a field is an index field, an attribute or a summary field. This is a requirement if we
+ * hope to move to a model where index fields, attributes and summary fields share a common field class.
+ *
+ * @author Simon Thoresen Hult
+ */
+public class ValidateFieldTypes extends Processor {
+
+    public ValidateFieldTypes(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
+        super(schema, deployLogger, rankProfileRegistry, queryProfiles);
+    }
+
+    @Override
+    public void process(boolean validate, boolean documentsOnly) {
+        if (!validate) return;
+
+        String searchName = schema.getName();
+        Map<String, DataType> seenFields = new HashMap<>();
+        verifySearchAndDocFields(searchName, seenFields);
+        verifySummaryFields(searchName, seenFields);
+    }
+
+    final protected void verifySearchAndDocFields(String searchName, Map<String, DataType> seenFields) {
+        schema.allFields().forEach(field -> {
+            checkFieldType(searchName, "index field", field.getName(), field.getDataType(), seenFields);
+            for (Map.Entry<String, Attribute> entry : field.getAttributes().entrySet()) {
+                checkFieldType(searchName, "attribute", entry.getKey(), entry.getValue().getDataType(), seenFields);
+            }
+        });
+
+    }
+    final protected void verifySummaryFields(String searchName, Map<String, DataType> seenFields) {
+        for (DocumentSummary summary : schema.getSummaries().values()) {
+            for (SummaryField field : summary.getSummaryFields().values()) {
+                checkFieldType(searchName, "summary field", field.getName(), field.getDataType(), seenFields);
+            }
+        }
+    }
+
+    private void checkFieldType(String searchName, String fieldDesc, String fieldName, DataType fieldType,
+                                Map<String, DataType> seenFields) {
+        DataType seenType = seenFields.get(fieldName);
+        if (seenType == null) {
+            seenFields.put(fieldName, fieldType);
+        } else if ( ! compatibleTypes(seenType, fieldType)) {
+            throw newProcessException(searchName, fieldName, "Incompatible types. Expected " +
+                                                             seenType.getName() + " for " + fieldDesc +
+                                                             " '" + fieldName + "', got " + fieldType.getName() + ".");
+        }
+    }
+
+    private static boolean compatibleTypes(DataType seenType, DataType fieldType) {
+        // legacy tag field type compatibility; probably not needed any more (Oct 2016)
+        if ("tag".equals(seenType.getName())) {
+            return "tag".equals(fieldType.getName()) || "WeightedSet<string>".equals(fieldType.getName());
+        }
+        if ("tag".equals(fieldType.getName())) {
+            return "tag".equals(seenType.getName()) || "WeightedSet<string>".equals(seenType.getName());
+        }
+        if (seenType instanceof TensorDataType && fieldType instanceof TensorDataType) {
+            return fieldType.isAssignableFrom(seenType); // TODO: Just do this for all types
+        }
+        return seenType.equals(fieldType);
+    }
+
+}