org.gwtnode.modules.helenus.IndexedQuery.java Source code

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Here is the source code for org.gwtnode.modules.helenus.IndexedQuery.java

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/*
 * Copyright 2013 Maxim Dominichenko
 * 
 * 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 org.gwtnode.modules.helenus;

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

public class IndexedQuery extends JavaScriptObject {

    public enum Operator {
        EQ, GTE, GT, LTE, LT
    }

    public static final class Field extends JavaScriptObject {

        public static Field create(String column, Operator operator, String value) {
            Field result = JavaScriptObject.createObject().cast();
            result.column(column);
            result.operator(operator);
            result.value(value);
            return result;
        }

        protected Field() {
        }

        /**
         * The name of the column with the index.
         */
        public native String column() /*-{
                                      return this.column;
                                      }-*/;

        /**
         * The name of the column with the index.
         */
        public native void column(String column) /*-{
                                                 this.column = column;
                                                 }-*/;

        /**
         * The operator to use.
         */
        public Operator operator() {
            return Operator.valueOf(this.operator0());
        }

        private native String operator0() /*-{
                                          return this.operator;
                                          }-*/;

        /**
         * The operator to use.
         */
        public void operator(Operator operator) {
            operator0(operator.name());
        }

        private native void operator0(String operator) /*-{
                                                       this.operator = operator;
                                                       }-*/;

        /**
         * The value to query by.
         */
        public native String value() /*-{
                                     return this.value;
                                     }-*/;

        /**
         * The value to query by.
         */
        public native void value(String value) /*-{
                                               this.value = value;
                                               }-*/;
    }

    public static final IndexedQuery create() {
        return JavaScriptObject.createObject().<IndexedQuery>cast();
    }

    public static final IndexedQuery create(JsArray<Field> fields, String start, int max) {
        IndexedQuery result = create();
        result.fields(fields);
        result.start(start);
        result.max(max);
        return result;
    }

    protected IndexedQuery() {
    }

    /**
     * An array of {@link Field}s.
     */
    public final native JsArray<Field> fields() /*-{
                                                return this.fields;
                                                }-*/;

    /**
     * An array of {@link Field}s.
     */
    public final native void fields(JsArray<Field> fields) /*-{
                                                           this.fields = fields;
                                                           }-*/;

    /**
     * The start key to get.
     */
    public final native String start() /*-{
                                       return this.start;
                                       }-*/;

    /**
     * The start key to get.
     */
    public final native void start(String start) /*-{
                                                 this.start = start;
                                                 }-*/;

    /**
     * The total amount of rows to return.
     */
    public final native int max() /*-{
                                  return this.max;
                                  }-*/;

    /**
     * The total amount of rows to return.
     */
    public final native void max(int max) /*-{
                                          this.max = max;
                                          }-*/;
}