#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/expression/AbstractTextExpression.java

@@ -0,0 +1,56 @@
+package io.ebeaninternal.server.expression;
+
+import io.ebeaninternal.api.HashQueryPlanBuilder;
+import io.ebeaninternal.api.SpiExpression;
+import io.ebeaninternal.api.SpiExpressionRequest;
+
+/**
+ * Base class for TextExpressions that are only executable by doc store.
+ * <p>
+ * This means they can not be part of a SQL query nor do they use the built in query plan cache etc.
+ * </p>
+ */
+public abstract class AbstractTextExpression extends AbstractExpression {
+
+  protected AbstractTextExpression(String propName) {
+    super(propName);
+  }
+
+  @Override
+  public Object getIdEqualTo(String idName) {
+    // always null for this expression
+    return null;
+  }
+
+  @Override
+  public void addSql(SpiExpressionRequest request) {
+    // do nothing, only execute against document store
+  }
+
+  @Override
+  public void addBindValues(SpiExpressionRequest request) {
+    // do nothing, only execute against document store
+  }
+
+  @Override
+  public void queryPlanHash(HashQueryPlanBuilder builder) {
+    // do nothing, only execute against document store
+  }
+
+  @Override
+  public int queryBindHash() {
+    return 0;
+  }
+
+  @Override
+  public boolean isSameByPlan(SpiExpression other) {
+    // do not compare by plan / bind values (this way)
+    return false;
+  }
+
+  @Override
+  public boolean isSameByBind(SpiExpression other) {
+    // do not compare by plan / bind values (this way)
+    return false;
+  }
+}