add fdx-commons and fdx-consultation

Kenmegne

7 days ago 23a46b4be35277e06ec89f48730eeb694e686be8

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package com.megatim.fdxcommons.tools.database.queries;
 
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 java.sql.Connection;
import java.sql.PreparedStatement;
 
/**
 *
 * @author Gabuntu
 */
public class DeleteTableDataQuery implements QueryMetaData<Void> {
 
    private final String tableName;
    private final Connection connection;
    private final QueryCriterion queryCriterion;
 
    public DeleteTableDataQuery(String tableName, Connection connection, QueryCriterion queryCriterion) {
        this.tableName = tableName;
        this.connection = connection;
        this.queryCriterion = queryCriterion;
    }
 
    @Override
    public Void execute() throws Exception {
 
        System.out.println("<-------------------------------------------------------------------------->");
        System.out.println("DELETE FROM " + tableName);
        System.out.println("<-------------------------------------------------------------------------->");
 
        try ( PreparedStatement statement = connection.prepareStatement(deleteString())) {
            new DefaultPreparedStatementProcessor().process(statement, new WhereQueryParameters(queryCriterion).parameters());
            statement.executeUpdate();
 
            return null;
        }
    }
 
    private String deleteString() {
        StringBuilder query = new StringBuilder("DELETE FROM ");
        query
                .append(tableName)
                .append(new WhereQueryString(queryCriterion).query());
 
        return query.toString();
    }
}