55 lines
1.2 KiB
Java
55 lines
1.2 KiB
Java
package fr.pandacube.java.util.db2.sql_tools;
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import java.util.ArrayList;
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import java.util.List;
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import javafx.util.Pair;
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public class SQLWhereChain extends SQLWhere {
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private SQLBoolOp operator;
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private List<SQLWhere> conditions = new ArrayList<>();
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public SQLWhereChain(SQLBoolOp op) {
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if (op == null) throw new IllegalArgumentException("op can't be null");
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operator = op;
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}
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public SQLWhereChain add(SQLWhere sqlWhere) {
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if (sqlWhere == null) throw new IllegalArgumentException("sqlWhere can't be null");
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conditions.add(sqlWhere);
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return this;
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}
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@Override
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public Pair<String, List<Object>> toSQL() {
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String sql = "";
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List<Object> params = new ArrayList<>();
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boolean first = true;
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for (SQLWhere w : conditions) {
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if (!first) sql += " " + operator.sql + " ";
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first = false;
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Pair<String, List<Object>> ret = w.toSQL();
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sql += "(" + ret.getKey() + ")";
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params.addAll(ret.getValue());
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}
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return new Pair<>(sql, params);
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}
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public enum SQLBoolOp {
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/** Equivalent to SQL "<code>AND</code>" */
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AND("AND"), /** Equivalent to SQL "<code>OR</code>" */
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OR("OR");
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public final String sql;
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private SQLBoolOp(String s) {
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sql = s;
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}
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}
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}
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