com.bedatadriven.rebar.sql.client.bulk.PreparedStatementBatch.java Source code

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Here is the source code for com.bedatadriven.rebar.sql.client.bulk.PreparedStatementBatch.java

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/*
 * Copyright 2009-2010 BeDataDriven (alex@bedatadriven.com)
 *
 * 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.bedatadriven.rebar.sql.client.bulk;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayString;

import java.util.Date;

/**
 * A JavaScript overlay for classes
 *
 * @author Alex Bertram
 */
public final class PreparedStatementBatch extends JavaScriptObject {

    protected PreparedStatementBatch() {

    }

    public static native PreparedStatementBatch newInstance() /*-{
                                                              return { executions: [] };
                                                              }-*/;

    public static native JsArray<PreparedStatementBatch> fromJson(String json) /*-{
                                                                               if($wnd.JSON) {
                                                                               return $wnd.JSON.parse(json);
                                                                               } else {
                                                                               return eval('(' + json + ')');
                                                                               }
                                                                               }-*/;

    /**
     * Gets the parametrized SQL statement to execute.
     *
     * @return the parametrized SQL statement
     */
    public native String getStatement() /*-{
                                        return this.statement;
                                        }-*/;

    /**
     * Sets the parametrized SQL statement. For example:
     * <p/>
     * <ul>
     * <li><code>UPDATE MyTable SET Name = ? WHERE ID = ?</code></li>
     * <li><code>INSERT INTO MyTable (ID, NAME) VALUES (?, ?)</li>
     * <li><code>
     * </ul>
     *
     * @param sql the parametrized SQL statement
     */
    public native void setStatement(String sql) /*-{
                                                this.statement = sql;
                                                }-*/;

    /**
     * Gets the list of executions. An execution is a complete set of
     * parameters for the statement.
     *
     * @return
     */
    public native JsArray<JsArrayString> getExecutions() /*-{
                                                         return this.executions;
                                                         }-*/;

    public native void setExecutions(JsArray<JsArrayString> executions) /*-{
                                                                        this.executions = executions;
                                                                        }-*/;

    public void addExecution(Object... parameters) {
        JsArrayString array = JsArray.createArray().cast();
        for (int i = 0; i != parameters.length; ++i) {
            Object param = parameters[i];
            if (param instanceof Date)
                array.push(Long.toString(((Date) param).getTime()));
            else
                array.push(param.toString());
        }
        getExecutions().push(array);
    }
}