这段代码展示了如何根据不同的数据源和分组号生成批量唯一的主键ID。在模拟数据库环境中，它基于一个初始值递增生成ID；在实际环境中，它依赖于InvocationInfoProxy获取分组号和用户数据源来生成主键。
private String[] generate(int amount) {
long OID_BASE_INITIAL_VAL = 19000000000000L;
String[] newOids = new String[amount];
if (MockDataSource.isMockDataBase()) {
for (int i = 0; i < amount; i++) {
OID_BASE_INITIAL_VAL += 1L;
newOids[i] = OidBaseAlgorithm.getInstance(String.valueOf(OID_BASE_INITIAL_VAL)).nextOidBase();
}
return newOids;
}
String groupNumber = InvocationInfoProxy.getInstance().getGroupNumber();
if ((groupNumber == null) || (groupNumber.isEmpty())) {
long OID_BASE_INITIAL_VAL = 19000000000000L;
String[] newOids = new String[amount];
if (MockDataSource.isMockDataBase()) {
for (int i = 0; i < amount; i++) {
OID_BASE_INITIAL_VAL += 1L;
newOids[i] = OidBaseAlgorithm.getInstance(String.valueOf(OID_BASE_INITIAL_VAL)).nextOidBase();
}
return newOids;
}
String groupNumber = InvocationInfoProxy.getInstance().getGroupNumber();
if ((groupNumber == null) || (groupNumber.isEmpty())) {
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