Rename the 'searchdefinition' package to 'schema'

1 files changed, 106 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/schema/processing/IndexingInputs.java b/config-model/src/main/java/com/yahoo/schema/processing/IndexingInputs.java
new file mode 100644
index 00000000000..88e84d5289f
--- /dev/null
+++ b/config-model/src/main/java/com/yahoo/schema/processing/IndexingInputs.java
@@ -0,0 +1,106 @@
+// 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.schema.RankProfileRegistry;
+import com.yahoo.schema.Schema;
+import com.yahoo.schema.document.SDField;
+import com.yahoo.vespa.indexinglanguage.ExpressionConverter;
+import com.yahoo.vespa.indexinglanguage.ExpressionVisitor;
+import com.yahoo.vespa.indexinglanguage.expressions.Expression;
+import com.yahoo.vespa.indexinglanguage.expressions.InputExpression;
+import com.yahoo.vespa.indexinglanguage.expressions.ScriptExpression;
+import com.yahoo.vespa.indexinglanguage.expressions.StatementExpression;
+import com.yahoo.vespa.model.container.search.QueryProfiles;
+
+/**
+ * This processor modifies all indexing scripts so that they input the value of the owning field by default. It also
+ * ensures that all fields used as input exist.
+ *
+ * @author Simon Thoresen Hult
+ */
+public class IndexingInputs extends Processor {
+
+    public IndexingInputs(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
+        super(schema, deployLogger, rankProfileRegistry, queryProfiles);
+    }
+
+    @Override
+    public void process(boolean validate, boolean documentsOnly) {
+        for (SDField field : schema.allConcreteFields()) {
+            ScriptExpression script = field.getIndexingScript();
+            if (script == null) continue;
+
+            String fieldName = field.getName();
+            script = (ScriptExpression)new DefaultToCurrentField(fieldName).convert(script);
+            script = (ScriptExpression)new EnsureInputExpression(fieldName).convert(script);
+            if (validate)
+                new VerifyInputExpression(schema, field).visit(script);
+
+            field.setIndexingScript(script);
+        }
+    }
+
+    private static class DefaultToCurrentField extends ExpressionConverter {
+
+        final String fieldName;
+
+        DefaultToCurrentField(String fieldName) {
+            this.fieldName = fieldName;
+        }
+
+        @Override
+        protected boolean shouldConvert(Expression exp) {
+            return exp instanceof InputExpression && ((InputExpression)exp).getFieldName() == null;
+        }
+
+        @Override
+        protected Expression doConvert(Expression exp) {
+            return new InputExpression(fieldName);
+        }
+    }
+
+    private static class EnsureInputExpression extends ExpressionConverter {
+
+        final String fieldName;
+
+        EnsureInputExpression(String fieldName) {
+            this.fieldName = fieldName;
+        }
+
+        @Override
+        protected boolean shouldConvert(Expression exp) {
+            return exp instanceof StatementExpression;
+        }
+
+        @Override
+        protected Expression doConvert(Expression exp) {
+            if (exp.requiredInputType() != null) {
+                return new StatementExpression(new InputExpression(fieldName), exp);
+            } else {
+                return exp;
+            }
+        }
+    }
+
+    private class VerifyInputExpression extends ExpressionVisitor {
+
+        private final Schema schema;
+        private final SDField field;
+
+        public VerifyInputExpression(Schema schema, SDField field) {
+            this.schema = schema;
+            this.field = field;
+        }
+
+        @Override
+        protected void doVisit(Expression exp) {
+            if ( ! (exp instanceof InputExpression)) return;
+            String inputField = ((InputExpression)exp).getFieldName();
+            if (schema.getField(inputField).hasFullIndexingDocprocRights()) return;
+
+            fail(schema, field, "Indexing script refers to field '" + inputField + "' which does not exist " +
+                                "in document type '" + schema.getDocument().getName() + "', and is not a mutable attribute.");
+        }
+    }
+}