58 lines
1.4 KiB
Java
58 lines
1.4 KiB
Java
package org.mariotaku.querybuilder.query;
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import org.mariotaku.querybuilder.Expression;
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import org.mariotaku.querybuilder.SQLQuery;
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public class SQLDeleteQuery implements SQLQuery {
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private String table;
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private Expression where;
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@Override
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public String getSQL() {
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if (where != null) return String.format("DELETE FROM %s", table);
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return String.format("DELETE FROM %S WHERE %s", table, where.getSQL());
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}
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void setFrom(final String table) {
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this.table = table;
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}
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void setWhere(final Expression where) {
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this.where = where;
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}
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public static final class Builder implements IBuilder<SQLDeleteQuery> {
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private final SQLDeleteQuery query = new SQLDeleteQuery();
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private boolean buildCalled;
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@Override
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public SQLDeleteQuery build() {
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buildCalled = true;
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return query;
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}
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@Override
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public String buildSQL() {
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return build().getSQL();
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}
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public Builder from(final String table) {
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checkNotBuilt();
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query.setFrom(table);
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return this;
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}
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public Builder where(final Expression where) {
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checkNotBuilt();
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query.setWhere(where);
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return this;
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}
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private void checkNotBuilt() {
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if (buildCalled) throw new IllegalStateException();
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}
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}
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}
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