36 lines
939 B
Java
36 lines
939 B
Java
|
package com.moparisthebest.jdbc;
|
||
|
|
|
||
|
|
import java.sql.Connection;
|
||
|
|
import java.sql.SQLException;
|
||
|
|
import java.util.Collection;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* For a column name and a Collection, return a Object usable by QueryMapper for binding to a PreparedStatement and
|
||
|
|
* ListQueryMapper for substituting in the query
|
||
|
|
*/
|
||
|
|
public interface InList {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns an Object who's .toString returns a String for a query, and QueryMapper knows how to bind to a PreparedStatement
|
||
|
|
* @param columnName Column name for query
|
||
|
|
* @param values values for in list
|
||
|
|
* @return object
|
||
|
|
*/
|
||
|
|
public <T> InListObject inList(final Connection conn, final String columnName, final Collection<T> values) throws SQLException;
|
||
|
|
|
||
|
|
class InListObject {
|
||
|
|
static final InListObject empty = new InListObject("(0=1)");
|
||
|
|
|
||
|
|
private final String sql;
|
||
|
|
|
||
|
|
public InListObject(final String sql) {
|
||
|
|
this.sql = sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public final String toString() {
|
||
|
|
return sql;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|