timeseriesdataitem.html

jfreechart1。0。2的api。

<FONT color="green">151</FONT>                return false;<a name="line.151"></a>
<FONT color="green">152</FONT>            }<a name="line.152"></a>
<FONT color="green">153</FONT>            TimeSeriesDataItem timeSeriesDataItem = (TimeSeriesDataItem) o;<a name="line.153"></a>
<FONT color="green">154</FONT>            if (this.period != null) {<a name="line.154"></a>
<FONT color="green">155</FONT>                if (!this.period.equals(timeSeriesDataItem.period)) {<a name="line.155"></a>
<FONT color="green">156</FONT>                    return false;<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>            else if (timeSeriesDataItem.period != null) {<a name="line.159"></a>
<FONT color="green">160</FONT>               return false;<a name="line.160"></a>
<FONT color="green">161</FONT>            }<a name="line.161"></a>
<FONT color="green">162</FONT>            <a name="line.162"></a>
<FONT color="green">163</FONT>            if (this.value != null) {<a name="line.163"></a>
<FONT color="green">164</FONT>                if (!this.value.equals(timeSeriesDataItem.value)) {<a name="line.164"></a>
<FONT color="green">165</FONT>                    return false;<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>            else if (timeSeriesDataItem.value != null) {<a name="line.168"></a>
<FONT color="green">169</FONT>                return false;<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>            return true;<a name="line.172"></a>
<FONT color="green">173</FONT>        }<a name="line.173"></a>
<FONT color="green">174</FONT>    <a name="line.174"></a>
<FONT color="green">175</FONT>        /**<a name="line.175"></a>
<FONT color="green">176</FONT>         * Returns a hash code.<a name="line.176"></a>
<FONT color="green">177</FONT>         * <a name="line.177"></a>
<FONT color="green">178</FONT>         * @return A hash code.<a name="line.178"></a>
<FONT color="green">179</FONT>         */<a name="line.179"></a>
<FONT color="green">180</FONT>        public int hashCode() {<a name="line.180"></a>
<FONT color="green">181</FONT>            int result;<a name="line.181"></a>
<FONT color="green">182</FONT>            result = (this.period != null ? this.period.hashCode() : 0);<a name="line.182"></a>
<FONT color="green">183</FONT>            result = 29 * result + (this.value != null ? this.value.hashCode() : 0);<a name="line.183"></a>
<FONT color="green">184</FONT>            return result;<a name="line.184"></a>
<FONT color="green">185</FONT>        }<a name="line.185"></a>
<FONT color="green">186</FONT>    <a name="line.186"></a>
<FONT color="green">187</FONT>        /**<a name="line.187"></a>
<FONT color="green">188</FONT>         * Returns an integer indicating the order of this data pair object<a name="line.188"></a>
<FONT color="green">189</FONT>         * relative to another object.<a name="line.189"></a>
<FONT color="green">190</FONT>         * &lt;P&gt;<a name="line.190"></a>
<FONT color="green">191</FONT>         * For the order we consider only the timing:<a name="line.191"></a>
<FONT color="green">192</FONT>         * negative == before, zero == same, positive == after.<a name="line.192"></a>
<FONT color="green">193</FONT>         *<a name="line.193"></a>
<FONT color="green">194</FONT>         * @param o1  The object being compared to.<a name="line.194"></a>
<FONT color="green">195</FONT>         *<a name="line.195"></a>
<FONT color="green">196</FONT>         * @return An integer indicating the order of the data item object <a name="line.196"></a>
<FONT color="green">197</FONT>         *         relative to another object.<a name="line.197"></a>
<FONT color="green">198</FONT>         */<a name="line.198"></a>
<FONT color="green">199</FONT>        public int compareTo(Object o1) {<a name="line.199"></a>
<FONT color="green">200</FONT>    <a name="line.200"></a>
<FONT color="green">201</FONT>            int result;<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>            // CASE 1 : Comparing to another TimeSeriesDataItem object<a name="line.203"></a>
<FONT color="green">204</FONT>            // -------------------------------------------------------<a name="line.204"></a>
<FONT color="green">205</FONT>            if (o1 instanceof TimeSeriesDataItem) {<a name="line.205"></a>
<FONT color="green">206</FONT>                TimeSeriesDataItem datapair = (TimeSeriesDataItem) o1;<a name="line.206"></a>
<FONT color="green">207</FONT>                result = getPeriod().compareTo(datapair.getPeriod());<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>            // CASE 2 : Comparing to a general object<a name="line.210"></a>
<FONT color="green">211</FONT>            // ---------------------------------------------<a name="line.211"></a>
<FONT color="green">212</FONT>            else {<a name="line.212"></a>
<FONT color="green">213</FONT>                // consider time periods to be ordered after general objects<a name="line.213"></a>
<FONT color="green">214</FONT>                result = 1;<a name="line.214"></a>
<FONT color="green">215</FONT>            }<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>            return result;<a name="line.217"></a>
<FONT color="green">218</FONT>    <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>
<FONT color="green">222</FONT>         * Clones the data item.  Note: there is no need to clone the period or <a name="line.222"></a>
<FONT color="green">223</FONT>         * value since they are immutable classes.<a name="line.223"></a>
<FONT color="green">224</FONT>         *<a name="line.224"></a>
<FONT color="green">225</FONT>         * @return A clone of the data item.<a name="line.225"></a>
<FONT color="green">226</FONT>         */<a name="line.226"></a>
<FONT color="green">227</FONT>        public Object clone() {<a name="line.227"></a>
<FONT color="green">228</FONT>            Object clone = null;<a name="line.228"></a>
<FONT color="green">229</FONT>            try {<a name="line.229"></a>
<FONT color="green">230</FONT>                clone = super.clone();<a name="line.230"></a>
<FONT color="green">231</FONT>            }<a name="line.231"></a>
<FONT color="green">232</FONT>            catch (CloneNotSupportedException e) { // won't get here...<a name="line.232"></a>
<FONT color="green">233</FONT>                e.printStackTrace();<a name="line.233"></a>
<FONT color="green">234</FONT>            }<a name="line.234"></a>
<FONT color="green">235</FONT>            return clone;<a name="line.235"></a>
<FONT color="green">236</FONT>        }<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>    }<a name="line.238"></a>




























































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