本文整理汇总了Java中cc.mallet.pipe.Pipe.instanceFrom方法的典型用法代码示例。如果您正苦于以下问题：Java Pipe.instanceFrom方法的具体用法？Java Pipe.instanceFrom怎么用？Java Pipe.instanceFrom使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cc.mallet.pipe.Pipe的用法示例。
在下文中一共展示了Pipe.instanceFrom方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testConcatenatePipes
import cc.mallet.pipe.Pipe; //导入方法依赖的package包/类
public void testConcatenatePipes ()
{
Pipe p1 = new StupidPipe ();
Pipe p2 = new SimpleTagger.SimpleTaggerSentence2FeatureVectorSequence ();
// initialize p2's dict
p2.instanceFrom(new Instance (data, null, null, null));
assertEquals (3, p2.getDataAlphabet ().size());
Pipe serial = PipeUtils.concatenatePipes (p1, p2);
Alphabet dict = serial.getDataAlphabet ();
assertEquals (3, dict.size ());
assertTrue (dict == p2.getDataAlphabet ());
}
示例2: testPrinting
import cc.mallet.pipe.Pipe; //导入方法依赖的package包/类
public static void testPrinting ()
{
Alphabet dict = dictOfSize (3);
FeatureVector[] vecs = new FeatureVector[] {
new FeatureVector (dict, new int[] { 0, 1 }),
new FeatureVector (dict, new int[] { 0, 2 }),
new FeatureVector (dict, new int[] { 2 }),
new FeatureVector (dict, new int[] { 1, 2 }),
};
LabelAlphabet ld = labelDictOfSize (3);
LabelSequence lbls = new LabelSequence (ld, new int [] { 0, 2, 0, 1});
FeatureVectorSequence fvs = new FeatureVectorSequence (vecs);
StringWriter sw = new StringWriter ();
PrintWriter w = new PrintWriter (sw);
Pipe p = new SequencePrintingPipe (w);
// pipe the instance
p.instanceFrom(new Instance (fvs, lbls, null, null));
// Do a second one
FeatureVectorSequence fvs2 = new FeatureVectorSequence (new FeatureVector[] {
new FeatureVector (dict, new int[] { 1 }),
new FeatureVector (dict, new int[] { 0 }),
});
LabelSequence lbls2 = new LabelSequence (ld, new int[] { 2, 1 });
p.instanceFrom(new Instance (fvs2, lbls2, null, null));
w.close();
assertEquals ("LABEL0 feature0 feature1\n" +
"LABEL2 feature0 feature2\n" +
"LABEL0 feature2\n" +
"LABEL1 feature1 feature2\n" +
"\n" +
"LABEL2 feature1\n" +
"LABEL1 feature0\n\n",
sw.toString());
}
示例3: testPipesAreStupid
import cc.mallet.pipe.Pipe; //导入方法依赖的package包/类
public void testPipesAreStupid ()
{
Pipe p1 = new StupidPipe ();
Pipe p2 = new SimpleTaggerSentence2TokenSequence ();
// initialize p2's dict
p2.instanceFrom(new Instance (data, null, null, null));
Pipe serial = new SerialPipes (new Pipe[] { p1, p2 });
try {
serial.getDataAlphabet ();
assertTrue ("Test failed: Should have generated exception.", false);
} catch (IllegalStateException e) {}
}
示例4: testConcatenateNullPipes
import cc.mallet.pipe.Pipe; //导入方法依赖的package包/类
public void testConcatenateNullPipes ()
{
Pipe p1 = new StupidPipe ();
Pipe p2 = new SimpleTagger.SimpleTaggerSentence2FeatureVectorSequence ();
Pipe serial = PipeUtils.concatenatePipes (p1, p2);
p2.instanceFrom(new Instance (data, null, null, null));
assertEquals (3, serial.getDataAlphabet ().size ());
}