Examples with ReflectUtil org.eweb4j.util.ReflectUtil used on opensource projects

Example 36 with ReflectUtil

use of org.eweb4j.util.ReflectUtil in project eweb4j-framework by laiweiwei.

the class ToOneDAO method select.

//	/**
//	 * 一对一级联更新
//	 */
//	public void update(long newIdVal) {
//		if (newIdVal <= 0 || this.fields == null || this.fields.size() == 0)
//			return;
//		if (idVal == null || "0".equals(idVal) || "".equals(idVal)) {
//			return;
//		} else if (DAOFactory.getSelectDAO(dsName).selectOne(t, this.idField) == null) {
//			// 检查一下当前对象的ID是否存在于数据库
//			return;
//		}
//		// "update {table} set {idCol} = {newIdVal} where {idCol} = {idVal}
//		//; update {tarTable} set {fkCol} = {newIdVal} where {fkCol} = {idVal}"
//		String format = "update %s set %s = %s where %s = %s ;";
//		for (Field f : fields) {
//			Method tarGetter = ru.getGetter(f.getName());
//			if (tarGetter == null)
//				continue;
//
//			OneToOne ann = tarGetter.getAnnotation(OneToOne.class);
//			if (ann == null) 
//				ann = f.getAnnotation(OneToOne.class);
//			
//			if (ann == null)
//				continue;
//			String mappedBy = ann.mappedBy();
//			String fk = null;
//			try {
//				Class<?> tarClass = ann.targetEntity();
//				if (void.class.isAssignableFrom(tarClass))
//					tarClass = f.getType();
//				
//				ReflectUtil tarRu = new ReflectUtil(tarClass);
//				Field[] tarFields = tarRu.getFields();
//				for (Field tarF : tarFields){
//					if (!f.getType().getName().equals(tarF.getType().getName()))
//						continue;
//					
//				    Method tarFGetter = tarRu.getGetter(tarF.getName());
//				    if (tarFGetter == null)
//				    	continue;
//				    
//				    OneToOne oneToOne = tarFGetter.getAnnotation(OneToOne.class);
//				    if (oneToOne == null)
//				    	oneToOne = tarF.getAnnotation(OneToOne.class);
//				    	if (oneToOne == null)
//				    		continue;
//					
//					JoinColumn joinColumn = tarFGetter.getAnnotation(JoinColumn.class);
//					if (joinColumn == null) 
//						joinColumn = tarF.getAnnotation(JoinColumn.class);
//						
//					
//					if (joinColumn == null)
//						fk = tarF.getName() + "_id";
//					else
//						fk = joinColumn.name();
//
//					String tarTable = ORMConfigBeanUtil.getTable(tarClass);
//				
//					// "update {table} set {idCol} = {newIdVal} where {idCol} = {idVal}
//					//; update {tarTable} set {fkCol} = {newIdVal} where {fkCol} = {idVal}"
//					final String sql1 = String.format(format, table, idColumn, newIdVal, idColumn, idVal);
//					final String sql2 = String.format(format, tarTable, fk, newIdVal, fk, idVal);
//					
//					Transaction.execute(new Trans() {
//						
//						@Override
//						public void run(Object... args) throws Exception {
//							DAOFactory.getUpdateDAO(dsName).updateBySQL(sql1);
//							DAOFactory.getUpdateDAO(dsName).updateBySQL(sql2);						
//						}
//					});
//					
//					break;
//				}
//			} catch (Exception e) {
//				throw new DAOException("", e);
//			}
//		}
//	}
/**
	 * 多对一级联查询 1.获取当前idVal，然后作为条件查询出其外键值，接着通过其外键值查出主对象数据，注入到当前
	 */
public void select() {
    if (this.fields == null || this.fields.size() == 0)
        return;
    if (idVal == null || "0".equals(idVal) || "".equals(idVal)) {
        log.warn("skip cascade select cause this pojo has no @Id value");
        return;
    }
    for (Field f : fields) {
        Method tarGetter = ru.getGetter(f.getName());
        if (tarGetter == null)
            continue;
        String fk = null;
        OneToOne ann = tarGetter.getAnnotation(OneToOne.class);
        if (ann == null)
            ann = f.getAnnotation(OneToOne.class);
        if (ann == null) {
            ManyToOne moAn = tarGetter.getAnnotation(ManyToOne.class);
            if (moAn == null)
                moAn = f.getAnnotation(ManyToOne.class);
            if (moAn == null)
                continue;
        }
        String refCol = null;
        JoinColumn joinCol = f.getAnnotation(JoinColumn.class);
        if (joinCol == null)
            joinCol = tarGetter.getAnnotation(JoinColumn.class);
        if (joinCol == null)
            fk = f.getName() + "_id";
        else {
            fk = joinCol.name();
            refCol = joinCol.referencedColumnName();
        }
        Class<?> tarClass = f.getType();
        if (refCol == null || refCol.trim().length() == 0)
            refCol = ORMConfigBeanUtil.getIdColumn(tarClass);
        String refField = ORMConfigBeanUtil.getField(tarClass, refCol);
        try {
            Object _tarObj = tarGetter.invoke(t);
            Object tarObj = null;
            boolean flag = false;
            if (_tarObj != null) {
                Method refFieldGetter = new ReflectUtil(_tarObj).getGetter(refField);
                if (refFieldGetter != null && refFieldGetter.invoke(_tarObj) != null)
                    tarObj = DAOFactory.getSelectDAO(dsName).selectOne(_tarObj, refField);
                else
                    flag = true;
            } else
                flag = true;
            if (flag) {
                // select * from {tarTable} where {referencedColumn} = (select {fk} from {table} where {idColumn} = {idVal})
                String format = "select %s from %s where %s = (select %s from %s where %s = %s )";
                String tarTable = ORMConfigBeanUtil.getTable(tarClass, true);
                String sql = String.format(format, ORMConfigBeanUtil.getSelectAllColumn(tarClass), tarTable, refCol, fk, table, idColumn, idVal);
                List<?> tarList = DAOFactory.getSelectDAO(dsName).selectBySQL(tarClass, sql);
                if (tarList == null || tarList.size() == 0)
                    continue;
                tarObj = tarList.get(0);
            }
            if (tarObj == null)
                continue;
            Method tarSetter = ru.getSetter(f.getName());
            tarSetter.invoke(t, tarObj);
        } catch (Exception e) {
            throw new DAOException("", e);
        }
    }
}

Example 37 with ReflectUtil

use of org.eweb4j.util.ReflectUtil in project eweb4j-framework by laiweiwei.

the class PojoAnnotationConfig method getProperties.

private static List<Property> getProperties(Class<?> clazz, final List<Property> pList, final boolean requireSuper, Log log) throws Throwable {
    List<Property> result = new ArrayList<Property>();
    ReflectUtil ru;
    try {
        ru = new ReflectUtil(clazz);
        ru.setRequiredSuper(requireSuper);
    } catch (Throwable e) {
        log.warn(e.toString(), e);
        throw e;
    }
    for (Field f : ru.getFields()) {
        if (Collection.class.isAssignableFrom(f.getType()))
            continue;
        String name = f.getName();
        Method getter = ru.getGetter(name);
        if (getter == null)
            continue;
        Ignore igAnn = f.getAnnotation(Ignore.class);
        if (igAnn == null)
            igAnn = getter.getAnnotation(Ignore.class);
        if (igAnn != null)
            continue;
        Transient trans = f.getAnnotation(Transient.class);
        if (trans == null)
            trans = getter.getAnnotation(Transient.class);
        if (trans != null)
            continue;
        OneToMany manyAnn = getter.getAnnotation(OneToMany.class);
        if (manyAnn != null)
            continue;
        else {
            manyAnn = f.getAnnotation(OneToMany.class);
            if (manyAnn != null)
                continue;
        }
        ManyToMany manyManyAnn = getter.getAnnotation(ManyToMany.class);
        if (manyManyAnn != null)
            continue;
        else {
            manyManyAnn = f.getAnnotation(ManyToMany.class);
            if (manyManyAnn != null)
                continue;
        }
        Property p = new Property();
        if (Long.class.isAssignableFrom(f.getType()) || long.class.isAssignableFrom(f.getType()))
            p.setSize("20");
        else if (Integer.class.isAssignableFrom(f.getType()) || int.class.isAssignableFrom(f.getType()))
            p.setSize("8");
        else if (String.class.isAssignableFrom(f.getType()))
            p.setSize("255");
        else if (Boolean.class.isAssignableFrom(f.getType()) || boolean.class.isAssignableFrom(f.getType()))
            p.setSize("");
        else if (Float.class.isAssignableFrom(f.getType()) || float.class.isAssignableFrom(f.getType()))
            p.setSize("8");
        Id idAnn = getter.getAnnotation(Id.class);
        if (idAnn == null)
            idAnn = f.getAnnotation(Id.class);
        if (idAnn != null) {
            if (pList != null && hasIdProperty(pList))
                continue;
            p.setAutoIncrement("1");
            p.setPk("1");
            p.setSize("20");
        }
        Column colAnn = getter.getAnnotation(Column.class);
        if (colAnn == null) {
            colAnn = f.getAnnotation(Column.class);
        }
        String column = colAnn == null ? "" : colAnn.name();
        column = "".equals(column.trim()) ? name : column;
        p.setName(name);
        p.setColumn(column);
        p.setType(f.getType().getName());
        p.setNotNull("false");
        if (colAnn != null) {
            // int size = colAnn.length();
            p.setNotNull(String.valueOf(!colAnn.nullable()));
            p.setUnique(String.valueOf(colAnn.unique()));
        }
        if (ClassUtil.isPojo(f.getType())) {
            OneToOne oneAnn = getter.getAnnotation(OneToOne.class);
            if (oneAnn == null)
                oneAnn = f.getAnnotation(OneToOne.class);
            ManyToOne manyToOneAnn = null;
            if (oneAnn == null) {
                manyToOneAnn = getter.getAnnotation(ManyToOne.class);
                if (manyToOneAnn == null)
                    manyToOneAnn = f.getAnnotation(ManyToOne.class);
            }
            if (oneAnn != null || manyToOneAnn != null) {
                if (oneAnn != null)
                    p.setType(PropType.ONE_ONE);
                else
                    p.setType(PropType.MANY_ONE);
                JoinColumn joinColumn = getter.getAnnotation(JoinColumn.class);
                if (joinColumn == null)
                    joinColumn = f.getAnnotation(JoinColumn.class);
                if (joinColumn != null && joinColumn.name().trim().length() > 0)
                    p.setColumn(joinColumn.name());
                else
                    p.setColumn(f.getName() + "_id");
                p.setRelProperty(null);
                String refCol = null;
                if (joinColumn != null && joinColumn.referencedColumnName().trim().length() > 0) {
                    refCol = joinColumn.referencedColumnName();
                    if (refCol != null && refCol.trim().length() > 0) {
                        String relField = ORMConfigBeanUtil.getField(f.getType(), refCol);
                        if (relField != null && relField.trim().length() > 0)
                            p.setRelProperty(relField);
                    }
                }
                p.setRelClass(f.getType());
                p.setSize("20");
            }
        }
        result.add(p);
    }
    return result;
}

Example 38 with ReflectUtil

use of org.eweb4j.util.ReflectUtil in project eweb4j-framework by laiweiwei.

the class DAOImpl method handleJoin.

/**
	 * 
	 * @date 2013-1-9 上午01:16:37
	 * @param type 0 innerJoin 1 leftOuterJoin 2 rightOuterJoin 3 fullOuterJoin
	 * @param _fieldName
	 * @param _alias
	 */
private void handleJoin(int type, String _fieldName, String _alias) {
    String[] fDots = _fieldName.split("\\.");
    String[] aDots = _alias.split("\\.");
    Class<?> currentClazz = this.clazz;
    for (int i = 0; i < fDots.length; i++) {
        String fieldName = fDots[i];
        String alias = aDots[i];
        ReflectUtil ru = null;
        try {
            ru = new ReflectUtil(currentClazz);
            Field field = ru.getField(fieldName);
            if (field == null)
                throw new Exception("field->" + fieldName + " invalid");
            Class<?> cls = ClassUtil.getGenericType(field);
            if (cls == null)
                throw new Exception("can not get the field->" + fieldName + " class");
            if (!ORMConfigBeanCache.containsKey(cls.getName()))
                throw new Exception("field->" + fieldName + " of " + cls.getName() + " is not entity");
            String table = ORMConfigBeanUtil.getTable(cls, true);
            joins.add(table);
            _AliasField a = new _AliasField(alias, cls.getSimpleName().toLowerCase(), cls);
            aliasMap.put(alias, a);
            currentClazz = cls;
        } catch (Throwable e) {
            log.error(e.toString(), e);
        }
    }
}

Example 39 with ReflectUtil

use of org.eweb4j.util.ReflectUtil in project eweb4j-framework by laiweiwei.

the class DeleteSqlCreator method makeSQL.

private Sql makeSQL(T t) throws SqlCreateException {
    Sql sql = new Sql();
    Class<?> clazz = t.getClass();
    String idColumn;
    String idField;
    String table;
    HashMap<String, Object> map = null;
    Object idValue = null;
    if (Map.class.isAssignableFrom(clazz)) {
        map = (HashMap<String, Object>) t;
        idColumn = (String) map.get("idColumn");
        if (idColumn == null)
            idColumn = "id";
        idField = idColumn;
        table = (String) map.get("table");
        idValue = map.get("idValue");
    } else {
        idField = ORMConfigBeanUtil.getIdField(clazz);
        idColumn = ORMConfigBeanUtil.getIdColumn(clazz);
        table = ORMConfigBeanUtil.getTable(clazz, false);
        ReflectUtil ru = new ReflectUtil(t);
        Method idGetter = ru.getGetter(idField);
        //			}
        if (idGetter != null) {
            try {
                idValue = idGetter.invoke(t);
            } catch (Exception e) {
                throw new SqlCreateException(idGetter + " invoke exception " + e.toString(), e);
            }
        }
    }
    StringBuilder condition = new StringBuilder();
    condition.append(idColumn).append(" = ? ");
    //		condition.append("'" + idValue + "'");
    sql.args.add(idValue);
    sql.sql = String.format("DELETE FROM %s WHERE %s ;", table, condition);
    return sql;
}

Example 40 with ReflectUtil

use of org.eweb4j.util.ReflectUtil in project eweb4j-framework by laiweiwei.

the class UpdateSqlCreator method makeSQL.

private Sql makeSQL(T t, String[] fields, Object[] values) throws SqlCreateException {
    Sql sql = new Sql();
    Class<?> clazz = t.getClass();
    String table = ORMConfigBeanUtil.getTable(clazz, false);
    ReflectUtil ru = new ReflectUtil(t);
    String[] columns = ORMConfigBeanUtil.getColumns(clazz, fields);
    String idColumn = ORMConfigBeanUtil.getIdColumn(clazz);
    String idField = ORMConfigBeanUtil.getIdField(clazz);
    Method idGetter = ru.getGetter(idField);
    if (idGetter == null)
        throw new SqlCreateException("can not find id getter.");
    Object idValue = null;
    try {
        idValue = idGetter.invoke(t);
    } catch (Exception e) {
        throw new SqlCreateException(idGetter + " invoke exception " + e.toString(), e);
    }
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < columns.length; ++i) {
        String column = columns[i];
        if (sb.length() > 0)
            sb.append(", ");
        //			sb.append(column).append(" = '").append(values[i]).append("'");
        sb.append(column).append(" = ?");
        sql.args.add(values[i]);
    }
    //		String condition = new StringBuilder().append(idColumn).append(" = ").append("'").append(idValue).append("'").toString();
    String condition = new StringBuilder().append(idColumn).append(" = ? ").toString();
    sql.args.add(idValue);
    sql.sql = String.format("UPDATE %s SET %s WHERE %s ;", table, sb.toString(), condition);
    return sql;
}