Java tutorial
/** * Copyright (C) 2012 Ness Computing, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.nesscomputing.jdbi; import java.util.Map; import org.apache.commons.lang3.builder.ToStringBuilder; import org.skife.jdbi.v2.Call; import org.skife.jdbi.v2.Handle; import org.skife.jdbi.v2.PreparedBatch; import org.skife.jdbi.v2.Query; import org.skife.jdbi.v2.Script; import org.skife.jdbi.v2.Update; /** * Allows simple declarations of SQL statements in a template as constants: * * <pre> * public class FooDAO { * public static final Package pkg = FooDAO.class.getPackage(); * public static final JdbiStatement UPDATE = new JdbiStatement(pkg, "update"); // loads from sql.st, template 'update()' * ... * return db.withHandle(new HandleCallback<Integer>() { * public Integer withHandle(final Handle handle) throws Exception { * return UPDATE.createStatement(handle).bind("foo", ...).execute(); * } * } * } * </pre> */ public final class JdbiStatement { private final String queryName; public JdbiStatement(final String queryName) { this.queryName = queryName; } public JdbiStatement(final Class<?> clazz, final String queryName) { this(clazz.getName() + ":" + queryName); } public JdbiStatement(final Package pkg, final String queryName) { this(pkg.getName() + ":" + queryName); } /** * @see Handle#createQuery(String) */ public Query<Map<String, Object>> createQuery(final Handle handle) { return handle.createQuery(queryName); } /** * @see Handle#createStatement(String) */ public Update createStatement(final Handle handle) { return handle.createStatement(queryName); } /** * @see Handle#createScript(String) */ public Script createScript(final Handle handle) { return handle.createScript(queryName); } /** * @see Handle#createCall */ public Call createCall(final Handle handle) { return handle.createCall(queryName); } /** * @see Handle#prepareBatch(String) */ public PreparedBatch createPreparedBatch(final Handle handle) { return handle.prepareBatch(queryName); } @Override public String toString() { return new ToStringBuilder(this).append("queryName", queryName).toString(); } }