initial add of EbeanORM server based on v2.8.1

src/main/java/com/avaje/ebeaninternal/server/expression/IdInExpression.java

@@ -0,0 +1,86 @@
+package com.avaje.ebeaninternal.server.expression;
+
+import java.util.List;
+
+import com.avaje.ebean.event.BeanQueryRequest;
+import com.avaje.ebeaninternal.api.ManyWhereJoins;
+import com.avaje.ebeaninternal.api.SpiExpression;
+import com.avaje.ebeaninternal.api.SpiExpressionRequest;
+import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
+import com.avaje.ebeaninternal.server.deploy.id.IdBinder;
+import com.avaje.ebeaninternal.util.DefaultExpressionRequest;
+
+/**
+ * Slightly redundant as Query.setId() ultimately also does the same job.
+ */
+public class IdInExpression implements SpiExpression {
+
+  private static final long serialVersionUID = 1L;
+
+  private final List<?> idList;
+
+  public IdInExpression(List<?> idList) {
+    this.idList = idList;
+  }
+
+  public void containsMany(BeanDescriptor<?> desc, ManyWhereJoins manyWhereJoin) {
+  }
+
+  public void addBindValues(SpiExpressionRequest request) {
+
+    // Bind the Id values including EmbeddedId and multiple Id
+
+    DefaultExpressionRequest r = (DefaultExpressionRequest) request;
+    BeanDescriptor<?> descriptor = r.getBeanDescriptor();
+    IdBinder idBinder = descriptor.getIdBinder();
+
+    for (int i = 0; i < idList.size(); i++) {
+      idBinder.addIdInBindValue(request, idList.get(i));
+    }
+  }
+
+  /**
+   * For use with deleting non attached detail beans during stateless update.
+   */
+  public void addSqlNoAlias(SpiExpressionRequest request) {
+
+    DefaultExpressionRequest r = (DefaultExpressionRequest) request;
+    BeanDescriptor<?> descriptor = r.getBeanDescriptor();
+    IdBinder idBinder = descriptor.getIdBinder();
+
+    request.append(descriptor.getIdBinder().getBindIdInSql(null));
+    String inClause = idBinder.getIdInValueExpr(idList.size());
+    request.append(inClause);
+  }
+
+  public void addSql(SpiExpressionRequest request) {
+
+    DefaultExpressionRequest r = (DefaultExpressionRequest) request;
+    BeanDescriptor<?> descriptor = r.getBeanDescriptor();
+    IdBinder idBinder = descriptor.getIdBinder();
+
+    request.append(descriptor.getIdBinderInLHSSql());
+    String inClause = idBinder.getIdInValueExpr(idList.size());
+    request.append(inClause);
+  }
+
+  /**
+   * Incorporates the number of Id values to bind.
+   */
+  public int queryAutoFetchHash() {
+    // this number is unique for a given bean type
+    // which is all that is required
+    int hc = IdInExpression.class.getName().hashCode();
+    hc = hc * 31 + idList.size();
+    return hc;
+  }
+
+  public int queryPlanHash(BeanQueryRequest<?> request) {
+    return queryAutoFetchHash();
+  }
+
+  public int queryBindHash() {
+    return idList.hashCode();
+  }
+
+}