| /* |
| * 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. |
| */ |
| |
| package org.apache.ignite.internal.configuration.tree; |
| |
| import java.util.NoSuchElementException; |
| |
| /** */ |
| public abstract class InnerNode implements TraversableTreeNode, ConstructableTreeNode, Cloneable { |
| /** {@inheritDoc} */ |
| @Override public final <T> T accept(String key, ConfigurationVisitor<T> visitor) { |
| return visitor.visitInnerNode(key, this); |
| } |
| |
| /** |
| * Method with auto-generated implementation. Must look like this: |
| * <pre><code> |
| * {@literal @}Override public void traverseChildren(ConfigurationVisitor visitor, boolean includeInternal) { |
| * visitor.visitInnerNode("pojoField1", this.pojoField1); |
| * |
| * visitor.visitNamedListNode("pojoField2", this.pojoField2); |
| * |
| * visitor.visitLeafNode("primitiveField1", this.primitiveField1); |
| * |
| * if (includeInternal) { |
| * visitor.visitLeafNode("primitiveField2", this.primitiveField2); |
| * } |
| * } |
| * </code></pre> |
| * |
| * Order of fields must be the same as they are described in configuration schema. |
| * |
| * @param visitor Configuration visitor. |
| * @param includeInternal Include internal configuration nodes (private configuration extensions). |
| * @param <T> Parameter type of the passed visitor. |
| */ |
| public abstract <T> void traverseChildren(ConfigurationVisitor<T> visitor, boolean includeInternal); |
| |
| /** |
| * Method with auto-generated implementation. Must look like this: |
| * <pre><code> |
| * {@literal @}Override public void traverseChild(String key, ConfigurationVisitor visitor, boolean includeInternal) throws NoSuchElementException { |
| * if (boolean includeInternal) { |
| * switch (key) { |
| * case "pojoField1": |
| * visitor.visitInnerNode("pojoField1", this.pojoField1); |
| * break; |
| * |
| * case "pojoField2": |
| * visitor.visitNamedListNode("pojoField2", this.pojoField2); |
| * break; |
| * |
| * case "primitiveField1": |
| * visitor.visitLeafNode("primitiveField1", this.primitiveField1); |
| * break; |
| * |
| * case "primitiveField2": |
| * visitor.visitLeafNode("primitiveField2", this.primitiveField2); |
| * break; |
| * |
| * default: |
| * throw new NoSuchElementException(key); |
| * } |
| * } |
| * else { |
| * switch (key) { |
| * case "primitiveField2": |
| * visitor.visitLeafNode("primitiveField2", this.primitiveField2); |
| * break; |
| * default: |
| * throw new NoSuchElementException(key); |
| * } |
| * } |
| * } |
| * </code></pre> |
| * |
| * @param key Name of the child. |
| * @param visitor Configuration visitor. |
| * @param includeInternal Include internal configuration nodes (private configuration extensions). |
| * @param <T> Parameter type of passed visitor. |
| * @return Whatever {@code visitor} returned. |
| * @throws NoSuchElementException If field {@code key} is not found. |
| */ |
| public abstract <T> T traverseChild( |
| String key, |
| ConfigurationVisitor<T> visitor, |
| boolean includeInternal |
| ) throws NoSuchElementException; |
| |
| /** |
| * Method with auto-generated implementation. Must look like this: |
| * <pre><code> |
| * {@literal @}Override public abstract void construct(String key, ConfigurationSource src, boolean includeInternal) throws NoSuchElementException { |
| * if (includeInternal) { |
| * switch (key) { |
| * case "namedList": |
| * if (src == null) |
| * namedList = new NamedListNode<>(Foo::new); |
| * else |
| * src.descend(namedList = namedList.copy()); |
| * break; |
| * |
| * case "innerNode": |
| * if (src == null) |
| * innerNode = null; |
| * else |
| * src.descend(innerNode = (innerNode == null ? new Bar() : (Bar)innerNode.copy())); |
| * break; |
| * |
| * case "leafInt": |
| * leafInt = src == null ? null : src.unwrap(Integer.class); |
| * break; |
| * |
| * case "leafStr": |
| * leafStr = src == null ? null : src.unwrap(String.class); |
| * break; |
| * |
| * default: throw new NoSuchElementException(key); |
| * } |
| * } |
| * switch (key) { |
| * switch (key) { |
| * case "leafStr": |
| * leafStr = src == null ? null : src.unwrap(String.class); |
| * break; |
| * |
| * default: throw new NoSuchElementException(key); |
| * } |
| * } |
| * } |
| * </code></pre> |
| * {@inheritDoc} |
| */ |
| @Override public abstract void construct( |
| String key, |
| ConfigurationSource src, |
| boolean includeInternal |
| ) throws NoSuchElementException; |
| |
| /** |
| * Assigns default value to the corresponding leaf. Defaults are gathered from configuration schema class. |
| * |
| * @param fieldName Field name to be initialized. |
| * @throws NoSuchElementException If there's no such field or it is not a leaf value. |
| */ |
| public abstract void constructDefault(String fieldName) throws NoSuchElementException; |
| |
| /** |
| * @return Class of corresponding configuration schema. |
| */ |
| public abstract Class<?> schemaType(); |
| |
| /** {@inheritDoc} */ |
| @Override public InnerNode copy() { |
| try { |
| return (InnerNode)clone(); |
| } |
| catch (CloneNotSupportedException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| } |