From 23a46b4be35277e06ec89f48730eeb694e686be8 Mon Sep 17 00:00:00 2001
From: Kenmegne <stephanie.kenmegne@gmail.com>
Date: Thu, 18 Jun 2026 15:40:06 +0000
Subject: [PATCH] add fdx-commons and fdx-consultation
---
fdx-commons/fdxcommons-tools/src/main/java/com/megatim/fdxcommons/tools/database/queries/JsonSelectQuery.java | 214 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 214 insertions(+), 0 deletions(-)
diff --git a/fdx-commons/fdxcommons-tools/src/main/java/com/megatim/fdxcommons/tools/database/queries/JsonSelectQuery.java b/fdx-commons/fdxcommons-tools/src/main/java/com/megatim/fdxcommons/tools/database/queries/JsonSelectQuery.java
new file mode 100644
index 0000000..f2ba3ac
--- /dev/null
+++ b/fdx-commons/fdxcommons-tools/src/main/java/com/megatim/fdxcommons/tools/database/queries/JsonSelectQuery.java
@@ -0,0 +1,214 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.megatim.fdxcommons.tools.database.queries;
+
+import com.megatim.fdxcommons.model.pojo.JsonTableDefinition;
+import com.megatim.fdxcommons.tools.database.contrat.DefaultPreparedStatementProcessor;
+import com.megatim.fdxcommons.tools.database.contrat.QueryMetaData;
+import com.megatim.fdxcommons.tools.database.queries.metadata.QueryCriterion;
+import com.megatim.fdxcommons.tools.database.queries.metadata.WhereQueryParameters;
+import com.megatim.fdxcommons.tools.database.tables.appcolumns.IndexColumnDefinition;
+import com.megatim.fdxcommons.tools.database.tables.appcolumns.ParentIdColumnDefinition;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import javax.naming.NamingException;
+
+/**
+ *
+ * @author ASUS
+ */
+public class JsonSelectQuery implements QueryMetaData<Map<Long, Object>> {
+
+ private final JsonTableDefinition tableDefinition;
+ private final QueryCriterion queryCriterion;
+ private final Connection connection;
+ private final Map<String, String> tablesNameToAlias;
+ private final int limit;
+ private final int offset;
+
+ public JsonSelectQuery(JsonTableDefinition tableDefinition, QueryCriterion queryCriterion, Connection connection, Map<String, String> tablesNameToAlias) {
+ this(tableDefinition, queryCriterion, connection, tablesNameToAlias, -1, -1);
+ }
+
+ public JsonSelectQuery(JsonTableDefinition tableDefinition, QueryCriterion queryCriterion, Connection connection, Map<String, String> tablesNameToAlias, int limit, int offset) {
+ this.tableDefinition = tableDefinition;
+ this.queryCriterion = queryCriterion;
+ this.connection = connection;
+ this.tablesNameToAlias = tablesNameToAlias;
+ this.limit = limit;
+ this.offset = offset;
+ }
+
+ @Override
+ public Map<Long, Object> execute() throws Exception {
+ return result();
+ }
+
+ private Map<Long, Object> result() throws NamingException, SQLException {
+ Map<Long, Object> finalData = new HashMap<>();
+ String query = selectString() + fromString() + joinString() + whereString() + pagination();
+ System.out.println("------------------------------------------------------------------------------------");
+ System.out.println(query);
+ System.out.println("------------------------------------------------------------------------------------");
+
+ try ( PreparedStatement statement = connection.prepareStatement(query)) {
+ new DefaultPreparedStatementProcessor().process(statement, new WhereQueryParameters(queryCriterion).parameters());
+ ResultSet resultSet = statement.executeQuery();
+ List<Long> indexes = new ArrayList<>();
+
+ while (resultSet.next()) {
+ indexes.add(resultSet.getLong(new IndexColumnDefinition().name()));
+ }
+ for (Long l : indexes) {
+ Map<String, Object> data = selectData(l, tableDefinition.getTableName());
+
+ for (JsonTableDefinition t : tableDefinition.getTablesDefinition()) {
+ data.put(t.getParentFieldName().toLowerCase(), selectChildren(l, t));
+ }
+ finalData.put(l, data);
+ }
+ }
+ return finalData;
+ }
+
+ private Map<String, Object> selectData(Long index, String tableName) throws SQLException {
+ Map<String, Object> data = new HashMap<>();
+ String query = "SELECT * FROM " + tableName + " WHERE " + new IndexColumnDefinition().name() + " = ?";
+
+ try ( PreparedStatement statement = connection.prepareStatement(query)) {
+ statement.setLong(1, index);
+ ResultSet resultSet = statement.executeQuery();
+
+ ResultSetMetaData metaData = resultSet.getMetaData();
+ int columnCount = metaData.getColumnCount();
+
+ if (resultSet.next()) {
+ for (int i = 1; i <= columnCount; i++) {
+ data.put(metaData.getColumnName(i).trim().toLowerCase(), resultSet.getObject(i));
+ }
+ }
+ }
+ return data;
+ }
+
+ private Map<Long, Object> selectChildren(Long index, JsonTableDefinition tableDef) throws SQLException {
+ Map<Long, Object> finalData = new HashMap<>();
+ String query = "SELECT * FROM " + tableDef.getTableName() + " WHERE " + new ParentIdColumnDefinition().name() + " = ?";
+
+ try ( PreparedStatement statement = connection.prepareStatement(query)) {
+ statement.setLong(1, index);
+ ResultSet resultSet = statement.executeQuery();
+ Map<Long, Object> data = retrieveData(resultSet);
+
+ if (!tableDef.getTablesDefinition().isEmpty()) {
+
+ for (Map.Entry<Long, Object> entry : data.entrySet()) {
+ Map<String, Object> map = new HashMap<>();
+ map.putAll((Map<String, Object>) entry.getValue());
+
+ for (JsonTableDefinition t : tableDef.getTablesDefinition()) {
+ map.put(t.getParentFieldName().toLowerCase(), selectChildren(entry.getKey(), t));
+ }
+ finalData.put(entry.getKey(), map);
+ }
+ } else {
+ finalData.putAll(data);
+ }
+ }
+ return finalData;
+ }
+
+ private Map<Long, Object> retrieveData(ResultSet resultSet) throws SQLException {
+ Map<Long, Object> data = new HashMap<>();
+ ResultSetMetaData metaData = resultSet.getMetaData();
+ int columnCount = metaData.getColumnCount();
+
+ while (resultSet.next()) {
+ Map<String, Object> datum = new HashMap<>();
+ for (int i = 1; i <= columnCount; i++) {
+ datum.put(metaData.getColumnName(i).trim().toLowerCase(), resultSet.getObject(i));
+ }
+ data.put(resultSet.getLong(new IndexColumnDefinition().name()), datum);
+ }
+ return data;
+ }
+
+ private String whereString() {
+ return "\n" + new WhereQueryString(queryCriterion).query();
+ }
+
+ private String pagination() {
+ if (limit > 0 && offset >= 0) {
+ return " LIMIT " + limit + " OFFSET " + offset;
+ }
+ return "";
+ }
+
+ private String fromString() {
+ StringBuilder fromPart = new StringBuilder("\nFROM ");
+ fromPart
+ .append(tableDefinition.getTableName())
+ .append(" ")
+ .append(tablesNameToAlias.get(tableDefinition.getTableName()));
+
+ return fromPart.toString();
+ }
+
+ private String joinString() {
+ return joinString(tableDefinition.getTablesDefinition());
+ }
+
+ private String joinString(List<JsonTableDefinition> tablesDef) {
+ StringBuilder joinPart = new StringBuilder("");
+
+ if (tablesNameToAlias.size() > 1) {
+ for (JsonTableDefinition t : tablesDef) {
+ joinPart.append(joinString(t));
+ joinPart.append(joinString(t.getTablesDefinition()));
+ }
+ }
+ return joinPart.toString();
+ }
+
+ private String joinString(JsonTableDefinition tableDef) {
+ StringBuilder joinPart = new StringBuilder("\nJOIN ");
+ joinPart.append(tableDef.getTableName())
+ .append(" ")
+ .append(tablesNameToAlias.get(tableDef.getTableName()))
+ .append(" ON ")
+ .append(tablesNameToAlias.get(tableDef.getTableName()))
+ .append(".")
+ .append(new ParentIdColumnDefinition().name())
+ .append(" = ")
+ .append(tablesNameToAlias.get(tableDef.getParentTableName()))
+ .append(".")
+ .append(new IndexColumnDefinition().name());
+
+ return joinPart.toString();
+ }
+
+ private String selectString() {
+ return "SELECT " + columnsToSelect();
+ }
+
+ private String columnsToSelect() {
+ StringBuilder columnsToSelect = new StringBuilder("");
+ columnsToSelect
+ .append("DISTINCT(")
+ .append(tablesNameToAlias.get(tableDefinition.getTableName()))
+ .append(".")
+ .append(new IndexColumnDefinition().name())
+ .append(")");
+ return columnsToSelect.toString();
+ }
+
+}
--
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