Examples with ERRules com.qlangtech.tis.sql.parser.er.ERRules used on opensource projects

Example 11 with ERRules

use of com.qlangtech.tis.sql.parser.er.ERRules in project tis by qlangtech.

the class OfflineDatasourceAction method doGetErRule.

/**
 * 取得ER关系规则
 *
 * @param context
 * @throws Exception
 */
public void doGetErRule(Context context) throws Exception {
    String topology = this.getString("topology");
    // 强制同步,时间长了，toplolog上会新加一些数据表，导致ER规则和现有topology不同步，需要同步一下
    boolean forceSync = this.getBoolean("sync");
    if (StringUtils.isEmpty(topology)) {
        throw new IllegalArgumentException("param 'topology' can not be null");
    }
    ERRules erRule = null;
    if (!ERRules.ruleExist(topology)) {
        // 还没有创建ER规则
        erRule = new ERRules();
        for (DependencyNode node : getDumpNodesFromTopology(topology)) {
            erRule.addDumpNode(node);
        }
    } else {
        erRule = ERRules.getErRule(topology).get();
        final List<DependencyNode> oldErRules = erRule.getDumpNodes();
        if (forceSync) {
            List<DependencyNode> dumpNodes = getDumpNodesFromTopology(topology);
            /**
             * *************************************
             * 需要添加的节点
             * ***************************************
             */
            List<DependencyNode> shallBeAdd = dumpNodes.stream().filter((n) -> !oldErRules.stream().filter((old) -> StringUtils.equals(n.getTabid(), old.getTabid())).findAny().isPresent()).collect(Collectors.toList());
            /**
             * *************************************
             * 需要删除的节点
             * ***************************************
             */
            Iterator<DependencyNode> it = oldErRules.iterator();
            while (it.hasNext()) {
                DependencyNode old = it.next();
                if (!dumpNodes.stream().filter((n) -> StringUtils.equals(n.getTabid(), old.getTabid())).findAny().isPresent()) {
                    it.remove();
                }
            }
            oldErRules.addAll(shallBeAdd);
        }
    }
    this.setBizResult(context, erRule);
}

Example 12 with ERRules

use of com.qlangtech.tis.sql.parser.er.ERRules in project tis by qlangtech.

the class TestCoreAction method createMockErRules.

public ERRules createMockErRules(TableMeta totalpayMeta) {
    ERRules erRules = mock("erRules", ERRules.class);
    if (totalpayMeta != null) {
        TabExtraMeta extraMeta = new TabExtraMeta();
        extraMeta.setSharedKey(totalpayMeta.getSharedKey());
        PrimaryTableMeta tabMeta = new PrimaryTableMeta(totalpayMeta.getTabName(), extraMeta);
        EasyMock.expect(erRules.getPrimaryTabs()).andReturn(Lists.newArrayList(tabMeta)).anyTimes();
    } else {
        EasyMock.expect(erRules.getPrimaryTabs()).andReturn(Collections.emptyList()).anyTimes();
    }
    MockERRulesGetter.erRules = erRules;
    return erRules;
}