xydataitem.html

jfreechart1。0。2的api。

<FONT color="green">142</FONT>            // CASE 1 : Comparing to another TimeSeriesDataPair object<a name="line.142"></a>
<FONT color="green">143</FONT>            // -------------------------------------------------------<a name="line.143"></a>
<FONT color="green">144</FONT>            if (o1 instanceof XYDataItem) {<a name="line.144"></a>
<FONT color="green">145</FONT>                XYDataItem dataItem = (XYDataItem) o1;<a name="line.145"></a>
<FONT color="green">146</FONT>                double compare = this.x.doubleValue() <a name="line.146"></a>
<FONT color="green">147</FONT>                                 - dataItem.getX().doubleValue();<a name="line.147"></a>
<FONT color="green">148</FONT>                if (compare &gt; 0.0) {<a name="line.148"></a>
<FONT color="green">149</FONT>                    result = 1;<a name="line.149"></a>
<FONT color="green">150</FONT>                }<a name="line.150"></a>
<FONT color="green">151</FONT>                else {<a name="line.151"></a>
<FONT color="green">152</FONT>                    if (compare &lt; 0.0) {<a name="line.152"></a>
<FONT color="green">153</FONT>                        result = -1;<a name="line.153"></a>
<FONT color="green">154</FONT>                    }<a name="line.154"></a>
<FONT color="green">155</FONT>                    else {<a name="line.155"></a>
<FONT color="green">156</FONT>                        result = 0;<a name="line.156"></a>
<FONT color="green">157</FONT>                    }<a name="line.157"></a>
<FONT color="green">158</FONT>                }<a name="line.158"></a>
<FONT color="green">159</FONT>            }<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>            // CASE 2 : Comparing to a general object<a name="line.161"></a>
<FONT color="green">162</FONT>            // ---------------------------------------------<a name="line.162"></a>
<FONT color="green">163</FONT>            else {<a name="line.163"></a>
<FONT color="green">164</FONT>                // consider time periods to be ordered after general objects<a name="line.164"></a>
<FONT color="green">165</FONT>                result = 1;<a name="line.165"></a>
<FONT color="green">166</FONT>            }<a name="line.166"></a>
<FONT color="green">167</FONT>    <a name="line.167"></a>
<FONT color="green">168</FONT>            return result;<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>        }<a name="line.170"></a>
<FONT color="green">171</FONT>    <a name="line.171"></a>
<FONT color="green">172</FONT>        /**<a name="line.172"></a>
<FONT color="green">173</FONT>         * Returns a clone of this object.<a name="line.173"></a>
<FONT color="green">174</FONT>         *<a name="line.174"></a>
<FONT color="green">175</FONT>         * @return A clone.<a name="line.175"></a>
<FONT color="green">176</FONT>         * <a name="line.176"></a>
<FONT color="green">177</FONT>         * @throws CloneNotSupportedException not thrown by this class, but <a name="line.177"></a>
<FONT color="green">178</FONT>         *         subclasses may differ.<a name="line.178"></a>
<FONT color="green">179</FONT>         */<a name="line.179"></a>
<FONT color="green">180</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.180"></a>
<FONT color="green">181</FONT>            return super.clone();<a name="line.181"></a>
<FONT color="green">182</FONT>        }<a name="line.182"></a>
<FONT color="green">183</FONT>        <a name="line.183"></a>
<FONT color="green">184</FONT>        /**<a name="line.184"></a>
<FONT color="green">185</FONT>         * Tests if this object is equal to another.<a name="line.185"></a>
<FONT color="green">186</FONT>         *<a name="line.186"></a>
<FONT color="green">187</FONT>         * @param obj  the object to test against for equality (&lt;code&gt;null&lt;/code&gt;<a name="line.187"></a>
<FONT color="green">188</FONT>         *             permitted).<a name="line.188"></a>
<FONT color="green">189</FONT>         *<a name="line.189"></a>
<FONT color="green">190</FONT>         * @return A boolean.<a name="line.190"></a>
<FONT color="green">191</FONT>         */<a name="line.191"></a>
<FONT color="green">192</FONT>        public boolean equals(Object obj) {<a name="line.192"></a>
<FONT color="green">193</FONT>            if (obj == this) {<a name="line.193"></a>
<FONT color="green">194</FONT>                return true;<a name="line.194"></a>
<FONT color="green">195</FONT>            }<a name="line.195"></a>
<FONT color="green">196</FONT>            if (!(obj instanceof XYDataItem)) {<a name="line.196"></a>
<FONT color="green">197</FONT>                return false;<a name="line.197"></a>
<FONT color="green">198</FONT>            }<a name="line.198"></a>
<FONT color="green">199</FONT>            XYDataItem that = (XYDataItem) obj;<a name="line.199"></a>
<FONT color="green">200</FONT>            if (!this.x.equals(that.x)) {<a name="line.200"></a>
<FONT color="green">201</FONT>                return false;<a name="line.201"></a>
<FONT color="green">202</FONT>            }<a name="line.202"></a>
<FONT color="green">203</FONT>            if (!ObjectUtilities.equal(this.y, that.y)) {<a name="line.203"></a>
<FONT color="green">204</FONT>                return false;<a name="line.204"></a>
<FONT color="green">205</FONT>            }<a name="line.205"></a>
<FONT color="green">206</FONT>            return true;        <a name="line.206"></a>
<FONT color="green">207</FONT>        }<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>        /**<a name="line.209"></a>
<FONT color="green">210</FONT>         * Returns a hash code.<a name="line.210"></a>
<FONT color="green">211</FONT>         * <a name="line.211"></a>
<FONT color="green">212</FONT>         * @return A hash code.<a name="line.212"></a>
<FONT color="green">213</FONT>         */<a name="line.213"></a>
<FONT color="green">214</FONT>        public int hashCode() {<a name="line.214"></a>
<FONT color="green">215</FONT>            int result;<a name="line.215"></a>
<FONT color="green">216</FONT>            result = this.x.hashCode();<a name="line.216"></a>
<FONT color="green">217</FONT>            result = 29 * result + (this.y != null ? this.y.hashCode() : 0);<a name="line.217"></a>
<FONT color="green">218</FONT>            return result;<a name="line.218"></a>
<FONT color="green">219</FONT>        }<a name="line.219"></a>
<FONT color="green">220</FONT>        <a name="line.220"></a>
<FONT color="green">221</FONT>    }<a name="line.221"></a>




























































</PRE>
</BODY>
</HTML>