96 lines
3.2 KiB
Java
96 lines
3.2 KiB
Java
package com.codechecker.model;
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/**
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* 字段级 diff 结果，用于通知中的 [新增]/[删除]/[修改]/[重命名] 行。
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*/
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public class FieldChange {
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/** 字段变更种类 */
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public enum ChangeKind {
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ADDED, REMOVED, MODIFIED, RENAMED
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}
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private final ChangeKind kind;
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private final String fieldName;
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private final String oldFieldName;
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private final String description;
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private final String oldType;
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private final String newType;
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private final String oldDescription;
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private final String detail;
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private FieldChange(ChangeKind kind, String fieldName, String oldFieldName, String description,
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String oldType, String newType, String oldDescription, String detail) {
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this.kind = kind;
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this.fieldName = fieldName;
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this.oldFieldName = oldFieldName;
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this.description = description;
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this.oldType = oldType;
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this.newType = newType;
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this.oldDescription = oldDescription;
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this.detail = detail;
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}
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/** 构造新增字段变更 */
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public static FieldChange added(FieldInfo field) {
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return new FieldChange(ChangeKind.ADDED, field.getName(), null, field.getDescription(),
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null, field.getType(), null, null);
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}
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/** 构造删除字段变更 */
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public static FieldChange removed(FieldInfo field) {
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return new FieldChange(ChangeKind.REMOVED, field.getName(), null, field.getDescription(),
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field.getType(), null, field.getDescription(), null);
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}
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/** 构造修改字段变更，detail 通常为类型变化描述 */
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public static FieldChange modified(FieldInfo oldField, FieldInfo newField, String detail) {
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return new FieldChange(ChangeKind.MODIFIED, newField.getName(), null, newField.getDescription(),
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oldField.getType(), newField.getType(), oldField.getDescription(), detail);
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}
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/** 构造字段重命名；类型变化时 detail 为 oldType → newType */
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public static FieldChange renamed(FieldInfo oldField, FieldInfo newField) {
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String typeDetail = oldField.getType().equals(newField.getType())
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? null
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: oldField.getType() + " → " + newField.getType();
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return new FieldChange(ChangeKind.RENAMED, newField.getName(), oldField.getName(),
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newField.getDescription(), oldField.getType(), newField.getType(),
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oldField.getDescription(), typeDetail);
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}
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public ChangeKind getKind() {
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return kind;
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}
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public String getFieldName() {
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return fieldName;
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}
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/** 重命名前的字段名，仅 RENAMED 时有值 */
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public String getOldFieldName() {
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return oldFieldName;
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}
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/** 变更后的字段说明（通知「说明」段） */
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public String getDescription() {
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return description;
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}
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public String getOldType() {
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return oldType;
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}
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public String getNewType() {
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return newType;
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}
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public String getOldDescription() {
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return oldDescription;
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}
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/** 结构性变更详情，重命名时为类型变化描述 */
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public String getDetail() {
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return detail;
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}
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}
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