Package com.alibaba.druid.wall.WallConfig

Examples of com.alibaba.druid.wall.WallConfig.TenantCallBack

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    }

    private static void checkJoinSelectForMultiTenant(WallVisitor visitor, SQLJoinTableSource join,
                                                      SQLSelectQueryBlock x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        SQLTableSource right = join.getRight();
        if (right instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) right).getExpr();

            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                String alias = null;
                String tenantColumn = null;
                if (tenantCallBack != null) {
                    tenantColumn = tenantCallBack.getTenantColumn(StatementType.SELECT, tableName);
                }

                if (StringUtils.isEmpty(tenantColumn)
                    && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    tenantColumn = visitor.getConfig().getTenantColumn();
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        return false;
    }

    private static void checkSelectForMultiTenant(WallVisitor visitor, SQLSelectQueryBlock x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        if (x == null) {
            throw new IllegalStateException("x is null");
        }

        if (!isSelectStatmentForMultiTenant(x)) {
            return;
        }

        SQLTableSource tableSource = x.getFrom();
        String alias = null;
        String matchTableName = null;
        String tenantColumn = null;
        if (tableSource instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) tableSource).getExpr();

            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                if (tenantCallBack != null) {
                    tenantColumn = tenantCallBack.getTenantColumn(StatementType.SELECT, tableName);
                }

                if (StringUtils.isEmpty(tenantColumn)
                    && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    tenantColumn = visitor.getConfig().getTenantColumn();
                }

                if (!StringUtils.isEmpty(tenantColumn)) {
                    matchTableName = tableName;
                    alias = tableSource.getAlias();
                }
            }
        } else if (tableSource instanceof SQLJoinTableSource) {
            SQLJoinTableSource join = (SQLJoinTableSource) tableSource;
            if (join.getLeft() instanceof SQLExprTableSource) {
                SQLExpr tableExpr = ((SQLExprTableSource) join.getLeft()).getExpr();

                if (tableExpr instanceof SQLIdentifierExpr) {
                    String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                    if (tenantCallBack != null) {
                        tenantColumn = tenantCallBack.getTenantColumn(StatementType.SELECT, tableName);
                    }

                    if (StringUtils.isEmpty(tenantColumn)
                        && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                        tenantColumn = visitor.getConfig().getTenantColumn();
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        x.getSelectList().add(selectItem);
        visitor.setSqlModified(true);
    }

    private static void checkUpdateForMultiTenant(WallVisitor visitor, SQLUpdateStatement x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        if (x == null) {
            throw new IllegalStateException("x is null");
        }

        SQLTableSource tableSource = x.getTableSource();
        String alias = null;
        String matchTableName = null;
        String tenantColumn = null;
        if (tableSource instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) tableSource).getExpr();
            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                if (tenantCallBack != null) {
                    tenantColumn = tenantCallBack.getTenantColumn(StatementType.UPDATE, tableName);
                }
                if (StringUtils.isEmpty(tenantColumn)
                    && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    tenantColumn = visitor.getConfig().getTenantColumn();
                }
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        x.getItems().add(updateSetItem);
        visitor.setSqlModified(true);
    }

    private static void checkInsertForMultiTenant(WallVisitor visitor, SQLInsertInto x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        if (x == null) {
            throw new IllegalStateException("x is null");
        }

        SQLExprTableSource tableSource = x.getTableSource();
        String alias = null;
        String matchTableName = null;
        String tenantColumn = null;
        SQLExpr tableExpr = tableSource.getExpr();
        if (tableExpr instanceof SQLIdentifierExpr) {
            String tableName = ((SQLIdentifierExpr) tableExpr).getName();

            if (tenantCallBack != null) {
                tenantColumn = tenantCallBack.getTenantColumn(StatementType.INSERT, tableName);
            }
            if (StringUtils.isEmpty(tenantColumn)
                && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                tenantColumn = visitor.getConfig().getTenantColumn();
            }
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    }

    private static SQLExpr generateTenantValue(WallVisitor visitor, String alias, StatementType statementType,
                                               String tableName) {
        SQLExpr value;
        TenantCallBack callBack = visitor.getConfig().getTenantCallBack();
        if (callBack != null) {
            WallProvider.setTenantValue(callBack.getTenantValue(statementType, tableName));
        }

        Object tenantValue = WallProvider.getTenantValue();
        if (tenantValue instanceof Number) {
            value = new SQLNumberExpr((Number) tenantValue);
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    }

    private static void checkJoinSelectForMultiTenant(WallVisitor visitor, SQLJoinTableSource join,
                                                      SQLSelectQueryBlock x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        SQLTableSource right = join.getRight();
        if (right instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) right).getExpr();

            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                String alias = null;
                String tenantColumn = null;
                if (tenantCallBack != null) {
                    tenantColumn = tenantCallBack.getTenantColumn(StatementType.SELECT, tableName);
                }

                if (StringUtils.isEmpty(tenantColumn)
                    && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    tenantColumn = visitor.getConfig().getTenantColumn();
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        return false;
    }

    private static void checkSelectForMultiTenant(WallVisitor visitor, SQLSelectQueryBlock x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        if (x == null) {
            throw new IllegalStateException("x is null");
        }

        if (!isSelectStatmentForMultiTenant(x)) {
            return;
        }

        SQLTableSource tableSource = x.getFrom();
        String alias = null;
        String matchTableName = null;
        String tenantColumn = null;
        if (tableSource instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) tableSource).getExpr();

            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                if (tenantCallBack != null) {
                    tenantColumn = tenantCallBack.getTenantColumn(StatementType.SELECT, tableName);
                }

                if (StringUtils.isEmpty(tenantColumn)
                    && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    tenantColumn = visitor.getConfig().getTenantColumn();
                }

                if (!StringUtils.isEmpty(tenantColumn)) {
                    matchTableName = tableName;
                    alias = tableSource.getAlias();
                }
            }
        } else if (tableSource instanceof SQLJoinTableSource) {
            SQLJoinTableSource join = (SQLJoinTableSource) tableSource;
            if (join.getLeft() instanceof SQLExprTableSource) {
                SQLExpr tableExpr = ((SQLExprTableSource) join.getLeft()).getExpr();

                if (tableExpr instanceof SQLIdentifierExpr) {
                    String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                    if (tenantCallBack != null) {
                        tenantColumn = tenantCallBack.getTenantColumn(StatementType.SELECT, tableName);
                    }

                    if (StringUtils.isEmpty(tenantColumn)
                        && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                        tenantColumn = visitor.getConfig().getTenantColumn();
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        x.getSelectList().add(selectItem);
        visitor.setSqlModified(true);
    }

    private static void checkUpdateForMultiTenant(WallVisitor visitor, SQLUpdateStatement x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        if (x == null) {
            throw new IllegalStateException("x is null");
        }

        SQLTableSource tableSource = x.getTableSource();
        String alias = null;
        String matchTableName = null;
        String tenantColumn = null;
        if (tableSource instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) tableSource).getExpr();
            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();

                if (tenantCallBack != null) {
                    tenantColumn = tenantCallBack.getTenantColumn(StatementType.UPDATE, tableName);
                }
                if (StringUtils.isEmpty(tenantColumn)
                    && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    tenantColumn = visitor.getConfig().getTenantColumn();
                }
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        x.getItems().add(updateSetItem);
        visitor.setSqlModified(true);
    }

    private static void checkInsertForMultiTenant(WallVisitor visitor, SQLInsertInto x) {
        TenantCallBack tenantCallBack = visitor.getConfig().getTenantCallBack();
        String tenantTablePattern = visitor.getConfig().getTenantTablePattern();
        if (tenantCallBack == null && (tenantTablePattern == null || tenantTablePattern.length() == 0)) {
            return;
        }

        if (x == null) {
            throw new IllegalStateException("x is null");
        }

        SQLExprTableSource tableSource = x.getTableSource();
        String alias = null;
        String matchTableName = null;
        String tenantColumn = null;
        SQLExpr tableExpr = tableSource.getExpr();
        if (tableExpr instanceof SQLIdentifierExpr) {
            String tableName = ((SQLIdentifierExpr) tableExpr).getName();

            if (tenantCallBack != null) {
                tenantColumn = tenantCallBack.getTenantColumn(StatementType.INSERT, tableName);
            }
            if (StringUtils.isEmpty(tenantColumn)
                && ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                tenantColumn = visitor.getConfig().getTenantColumn();
            }
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    }

    private static SQLExpr generateTenantValue(WallVisitor visitor, String alias, StatementType statementType,
                                               String tableName) {
        SQLExpr value;
        TenantCallBack callBack = visitor.getConfig().getTenantCallBack();
        if (callBack != null) {
            WallProvider.setTenantValue(callBack.getTenantValue(statementType, tableName));
        }

        Object tenantValue = WallProvider.getTenantValue();
        if (tenantValue instanceof Number) {
            value = new SQLNumberExpr((Number) tenantValue);
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Related Classes of com.alibaba.druid.wall.WallConfig.TenantCallBack

  • com.alibaba.druid.wall.spi.WallVisitorUtils
  • com.alibaba.druid.wall.WallFilter
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