#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/deploy/BeanFkeyProperty.java

@@ -0,0 +1,203 @@
+package io.ebeaninternal.server.deploy;
+
+import io.ebean.bean.EntityBean;
+import io.ebean.text.StringParser;
+import io.ebeaninternal.api.SpiExpressionRequest;
+import io.ebeaninternal.server.el.ElPropertyValue;
+
+/**
+ * Used to evaluate imported foreign keys so as to avoid unnecessary joins.
+ */
+public final class BeanFkeyProperty implements ElPropertyValue {
+
+  private final String placeHolder;
+  private final String prefix;
+  private final String name;
+  private final String dbColumn;
+  private final boolean containsMany;
+
+  private final int deployOrder;
+
+  public BeanFkeyProperty(String name, String dbColumn, int deployOrder) {
+    this(null, name, dbColumn, deployOrder, false);
+  }
+
+  private BeanFkeyProperty(String prefix, String name, String dbColumn, int deployOrder, boolean containsMany) {
+    this.prefix = prefix;
+    this.name = name;
+    this.dbColumn = dbColumn;
+    this.deployOrder = deployOrder;
+    this.containsMany = containsMany;
+    this.placeHolder = calcPlaceHolder(prefix, dbColumn);
+  }
+
+  public String toString() {
+    return "prefix:" + prefix + " name:" + name + " dbColumn:" + dbColumn + " ph:" + placeHolder;
+  }
+
+  @Override
+  public boolean isAggregation() {
+    return false;
+  }
+
+  public int getDeployOrder() {
+    return deployOrder;
+  }
+
+  private String calcPlaceHolder(String prefix, String dbColumn) {
+    if (prefix != null) {
+      return "${" + prefix + "}" + dbColumn;
+    } else {
+      return ROOT_ELPREFIX + dbColumn;
+    }
+  }
+
+  public BeanFkeyProperty create(String expression, boolean containsMany) {
+    int len = expression.length() - name.length() - 1;
+    String prefix = expression.substring(0, len);
+
+    return new BeanFkeyProperty(prefix, name, dbColumn, deployOrder, containsMany);
+  }
+
+  /**
+   * Returns false for keys.
+   */
+  public boolean isDbEncrypted() {
+    return false;
+  }
+
+  /**
+   * Returns false for keys.
+   */
+  public boolean isLocalEncrypted() {
+    return false;
+  }
+
+  @Override
+  public boolean containsFormulaWithJoin() {
+    return false;
+  }
+
+  /**
+   * Returns false.
+   */
+  public boolean containsMany() {
+    return containsMany;
+  }
+
+  public boolean containsManySince(String sinceProperty) {
+    return containsMany();
+  }
+
+  public String getDbColumn() {
+    return dbColumn;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getElName() {
+    return name;
+  }
+
+  /**
+   * Returns null as not an AssocOne.
+   */
+  public Object[] getAssocIdValues(EntityBean value) {
+    return null;
+  }
+
+  /**
+   * Returns null as not an AssocOne.
+   */
+  public String getAssocIdExpression(String prefix, String operator) {
+    return null;
+  }
+
+  /**
+   * Returns null as not an AssocOne.
+   */
+  public String getAssocIdInExpr(String prefix) {
+    return null;
+  }
+
+  /**
+   * Returns null as not an AssocOne.
+   */
+  public String getAssocIdInValueExpr(int size) {
+    return null;
+  }
+
+  @Override
+  public String getAssocIsEmpty(SpiExpressionRequest request, String path) {
+    throw new RuntimeException("Not Supported or Expected");
+  }
+
+  @Override
+  public boolean isAssocMany() {
+    return false;
+  }
+
+  /**
+   * Returns false as not an AssocOne.
+   */
+  @Override
+  public boolean isAssocId() {
+    return false;
+  }
+
+  @Override
+  public boolean isAssocProperty() {
+    return false;
+  }
+
+  public String getElPlaceholder(boolean encrypted) {
+    return placeHolder;
+  }
+
+  public String getElPrefix() {
+    return prefix;
+  }
+
+  public boolean isDateTimeCapable() {
+    return false;
+  }
+
+  public int getJdbcType() {
+    return 0;
+  }
+
+  public BeanProperty getBeanProperty() {
+    return null;
+  }
+
+  public Object parseDateTime(long systemTimeMillis) {
+    throw new RuntimeException("ElPropertyDeploy only - not implemented");
+  }
+
+  public StringParser getStringParser() {
+    throw new RuntimeException("ElPropertyDeploy only - not implemented");
+  }
+
+  @Override
+  public Object convert(Object value) {
+    throw new RuntimeException("ElPropertyDeploy only - not implemented");
+  }
+
+  @Override
+  public void pathSet(Object bean, Object value) {
+    throw new RuntimeException("ElPropertyDeploy only - not implemented");
+  }
+
+  @Override
+  public Object pathGet(Object bean) {
+    throw new RuntimeException("ElPropertyDeploy only - not implemented");
+  }
+
+  @Override
+  public Object pathGetNested(Object bean) {
+    throw new RuntimeException("ElPropertyDeploy only - not implemented");
+  }
+
+}