import quincy 17.2.0

[ceph.git] / ceph / src / arrow / java / vector / src / main / codegen / templates / AbstractFieldReader.java

diff --git a/ceph/src/arrow/java/vector/src/main/codegen/templates/AbstractFieldReader.java b/ceph/src/arrow/java/vector/src/main/codegen/templates/AbstractFieldReader.java
new file mode 100644 (file)
index 0000000..e3c8729
--- /dev/null
+++ b/ceph/src/arrow/java/vector/src/main/codegen/templates/AbstractFieldReader.java
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+<@pp.dropOutputFile />
+<@pp.changeOutputFile name="/org/apache/arrow/vector/complex/impl/AbstractFieldReader.java" />
+
+
+<#include "/@includes/license.ftl" />
+
+package org.apache.arrow.vector.complex.impl;
+
+<#include "/@includes/vv_imports.ftl" />
+
+/**
+ * Source code generated using FreeMarker template ${.template_name}
+ */
+@SuppressWarnings("unused")
+abstract class AbstractFieldReader extends AbstractBaseReader implements FieldReader{
+
+  AbstractFieldReader(){
+    super();
+  }
+
+  /**
+   * Returns true if the current value of the reader is not null
+   * @return whether the current value is set
+   */
+  public boolean isSet() {
+    return true;
+  }
+
+  @Override
+  public Field getField() {
+    fail("getField");
+    return null;
+  }
+
+  <#list ["Object", "BigDecimal", "Short", "Integer", "Long", "Boolean",
+          "LocalDateTime", "Duration", "Period", "Double", "Float",
+          "Character", "Text", "String", "Byte", "byte[]", "PeriodDuration"] as friendlyType>
+  <#assign safeType=friendlyType />
+  <#if safeType=="byte[]"><#assign safeType="ByteArray" /></#if>
+  public ${friendlyType} read${safeType}(int arrayIndex) {
+    fail("read${safeType}(int arrayIndex)");
+    return null;
+  }
+
+  public ${friendlyType} read${safeType}() {
+    fail("read${safeType}()");
+    return null;
+  }
+
+  </#list>
+  public void copyAsValue(StructWriter writer) {
+    fail("CopyAsValue StructWriter");
+  }
+
+  public void copyAsField(String name, StructWriter writer) {
+    fail("CopyAsField StructWriter");
+  }
+
+  public void copyAsField(String name, ListWriter writer) {
+    fail("CopyAsFieldList");
+  }
+
+  public void copyAsField(String name, MapWriter writer) {
+    fail("CopyAsFieldMap");
+  }
+
+  <#list vv.types as type><#list type.minor as minor><#assign name = minor.class?cap_first />
+  <#assign boxedType = (minor.boxedType!type.boxedType) />
+  public void read(${name}Holder holder) {
+    fail("${name}");
+  }
+
+  public void read(Nullable${name}Holder holder) {
+    fail("${name}");
+  }
+
+  public void read(int arrayIndex, ${name}Holder holder) {
+    fail("Repeated${name}");
+  }
+
+  public void read(int arrayIndex, Nullable${name}Holder holder) {
+    fail("Repeated${name}");
+  }
+
+  public void copyAsValue(${name}Writer writer) {
+    fail("CopyAsValue${name}");
+  }
+
+  public void copyAsField(String name, ${name}Writer writer) {
+    fail("CopyAsField${name}");
+  }
+
+  </#list></#list>
+  public FieldReader reader(String name) {
+    fail("reader(String name)");
+    return null;
+  }
+
+  public FieldReader reader() {
+    fail("reader()");
+    return null;
+  }
+
+  public int size() {
+    fail("size()");
+    return -1;
+  }
+
+  private void fail(String name) {
+    throw new IllegalArgumentException(String.format("You tried to read a [%s] type when you are using a field reader of type [%s].", name, this.getClass().getSimpleName()));
+  }
+}
+
+
+