| /* |
| * 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.uima.cas.impl; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.uima.cas.CASRuntimeException; |
| import org.apache.uima.cas.text.AnnotationFS; |
| import org.apache.uima.cas.text.AnnotationTreeNode; |
| |
| /** |
| * TODO: Create type comment for AnnotationTreeNodeImpl. |
| * |
| * |
| */ |
| public class AnnotationTreeNodeImpl<T extends AnnotationFS> implements AnnotationTreeNode<T> { |
| |
| private T annot; |
| |
| private AnnotationTreeNodeImpl<T> parent; |
| |
| private ArrayList<AnnotationTreeNode<T>> dtrs; |
| |
| private int pos; |
| |
| AnnotationTreeNodeImpl() { |
| super(); |
| this.dtrs = new ArrayList<AnnotationTreeNode<T>>(); |
| } |
| |
| public AnnotationTreeNode<T> getParent() { |
| return this.parent; |
| } |
| |
| public int getChildCount() { |
| return this.dtrs.size(); |
| } |
| |
| public AnnotationTreeNode<T> getChild(int i) throws CASRuntimeException { |
| try { |
| return this.dtrs.get(i); |
| } catch (IndexOutOfBoundsException e) { |
| throw new CASRuntimeException(CASRuntimeException.CHILD_INDEX_OOB, null); |
| } |
| } |
| |
| public AnnotationTreeNode<T> getNextSibling() { |
| if (this.parent == null) { |
| return null; |
| } |
| try { |
| return this.parent.getChild(this.pos + 1); |
| } catch (CASRuntimeException e) { |
| return null; |
| } |
| } |
| |
| public AnnotationTreeNode<T> getPreviousSibling() { |
| if (this.parent == null) { |
| return null; |
| } |
| try { |
| return this.parent.getChild(this.pos - 1); |
| } catch (CASRuntimeException e) { |
| return null; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.cas.text.AnnotationTreeNode#getChildren() |
| */ |
| public ArrayList<AnnotationTreeNode<T>> getChildren() { |
| return this.dtrs; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.uima.cas.text.AnnotationTreeNode#get() |
| */ |
| public T get() { |
| return this.annot; |
| } |
| |
| // //////////////////////////////////////////////////////////////////////////// |
| // Package private APIs for building the tree. |
| |
| void set(T annot) { |
| this.annot = annot; |
| } |
| |
| void addChild(AnnotationTreeNodeImpl<T> child) { |
| child.pos = this.dtrs.size(); |
| child.parent = this; |
| this.dtrs.add(child); |
| } |
| |
| } |