本文整理汇总了Java中java.util.TreeSet.lower方法的典型用法代码示例。如果您正苦于以下问题:Java TreeSet.lower方法的具体用法?Java TreeSet.lower怎么用?Java TreeSet.lower使用的例子?那么恭喜您, 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java.util.TreeSet
的用法示例。
在下文中一共展示了TreeSet.lower方法的5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: testLower
import java.util.TreeSet; //导入方法依赖的package包/类
/**
* lower returns preceding element
*/
public void testLower() {
TreeSet q = set5();
Object e1 = q.lower(three);
assertEquals(two, e1);
Object e2 = q.lower(six);
assertEquals(five, e2);
Object e3 = q.lower(one);
assertNull(e3);
Object e4 = q.lower(zero);
assertNull(e4);
}
示例2: getLockPath
import java.util.TreeSet; //导入方法依赖的package包/类
/**
* {@inheritDoc}
*/
@Override
protected String getLockPath(String createdZNode, List<String> children) throws IOException {
TreeSet<String> sortedChildren =
new TreeSet<String>(ZNodeComparator.COMPARATOR);
sortedChildren.addAll(children);
String pathToWatch = sortedChildren.lower(createdZNode);
if (pathToWatch != null) {
String nodeHoldingLock = sortedChildren.first();
String znode = ZKUtil.joinZNode(parentLockNode, nodeHoldingLock);
handleLockMetadata(znode);
}
return pathToWatch;
}
示例3: scaleDownNeighbordists
import java.util.TreeSet; //导入方法依赖的package包/类
private static ArrayList<Attribute> scaleDownNeighbordists(Instances previousSet, Instance center){
ArrayList<Attribute> localAtts = new ArrayList<Attribute>();
int attNum = center.numAttributes();
int pos = -1;
if(previousSet.attribute(PerformanceAttName)!=null)
pos = previousSet.attribute(PerformanceAttName).index();
//traverse each dimension
Enumeration<Instance> enu;
double[] minDists = new double[2];
double val;
for(int i=0;i<attNum;i++){
if(i==pos)
continue;
enu = previousSet.enumerateInstances();
minDists[0] = 1-Double.MAX_VALUE;
minDists[1] = Double.MAX_VALUE;
while(enu.hasMoreElements()){
Instance ins = enu.nextElement();
if(!ins.equals(center)){
val = ins.value(i)-center.value(i);
if(val<0)
minDists[0] = Math.max((double)((int)((ins.value(i)-center.value(i))*1000))/1000.0, minDists[0]);
else
minDists[1] = Math.min((double)((int)((ins.value(i)-center.value(i))*1000))/1000.0, minDists[1]);
}
}
//now we set the range
Properties p1 = new Properties();
double upper = center.value(i)+minDists[1], lower=center.value(i)+minDists[0];
TreeSet<Double> detourSet = new TreeSet<Double>();
detourSet.add(upper);
detourSet.add(lower);
detourSet.add(previousSet.attribute(i).getUpperNumericBound());
detourSet.add(previousSet.attribute(i).getLowerNumericBound());
switch(detourSet.size()){
case 1:
upper=lower=detourSet.first();
break;
case 2:
upper = detourSet.last();
lower = detourSet.first();
break;
case 3:
upper=lower=detourSet.higher(detourSet.first());
break;
default://case 4:
upper=detourSet.lower(detourSet.last());
lower=detourSet.higher(detourSet.first());
break;
}
p1.setProperty("range", "["+String.valueOf(lower)+","+String.valueOf(upper)+"]");
ProtectedProperties prop1 = new ProtectedProperties(p1);
localAtts.add(new Attribute(previousSet.attribute(i).name(), prop1));
}
return localAtts;
}
示例4: scaleDownMindists
import java.util.TreeSet; //导入方法依赖的package包/类
private static ArrayList<Attribute> scaleDownMindists(Instances previousSet, Instance center){
ArrayList<Attribute> localAtts = new ArrayList<Attribute>();
int attNum = center.numAttributes();
int pos = previousSet.attribute(PerformanceAttName).index();
//traverse each dimension
Enumeration<Instance> enu;
double minDis;
for(int i=0;i<attNum;i++){
if(i==pos)
continue;
enu = previousSet.enumerateInstances();
minDis = Double.MAX_VALUE;
while(enu.hasMoreElements()){
Instance ins = enu.nextElement();
if(!ins.equals(center))
minDis = Math.min((double)((int)(Math.abs(ins.value(i)-center.value(i))*1000))/1000.0, minDis);
}
//now we set the range
Properties p1 = new Properties();
double upper = center.value(i)+minDis, lower=center.value(i)-minDis;
TreeSet<Double> detourSet = new TreeSet<Double>();
detourSet.add(upper);
detourSet.add(lower);
detourSet.add(previousSet.attribute(i).getUpperNumericBound());
detourSet.add(previousSet.attribute(i).getLowerNumericBound());
switch(detourSet.size()){
case 1:
upper=lower=detourSet.first();
break;
case 2:
upper = detourSet.last();
lower = detourSet.first();
break;
case 3:
upper=lower=detourSet.higher(detourSet.first());
break;
default://case 4:
upper=detourSet.lower(detourSet.last());
lower=detourSet.higher(detourSet.first());
break;
}
p1.setProperty("range", "["+String.valueOf(lower)+","+String.valueOf(upper)+"]");
ProtectedProperties prop1 = new ProtectedProperties(p1);
localAtts.add(new Attribute(previousSet.attribute(i).name(), prop1));
}
return localAtts;
}
示例5: scaleDownDetour
import java.util.TreeSet; //导入方法依赖的package包/类
public static ArrayList<Attribute> scaleDownDetour(Instances previousSet, Instance center){
ArrayList<Attribute> localAtts = new ArrayList<Attribute>();
int attNum = center.numAttributes();
int pos = previousSet.attribute(PerformanceAttName).index();
//traverse each dimension
Enumeration<Instance> enu;
double minDis;
for(int i=0;i<attNum;i++){
if(i==pos)
continue;
enu = previousSet.enumerateInstances();
minDis = Double.MAX_VALUE;
while(enu.hasMoreElements()){
Instance ins = enu.nextElement();
if(!ins.equals(center))
minDis = Math.min((double)((int)(Math.abs(ins.value(i)-center.value(i))*100))/100.0, minDis);
}
//now we set the range
Properties p1 = new Properties();
double upper = center.value(i)+minDis, lower=center.value(i)-minDis;
TreeSet<Double> detourSet = new TreeSet<Double>();
detourSet.add(upper);
detourSet.add(lower);
detourSet.add(previousSet.attribute(i).getUpperNumericBound());
detourSet.add(previousSet.attribute(i).getLowerNumericBound());
switch(detourSet.size()){
case 1:
upper=lower=detourSet.first();
break;
case 2:
upper = detourSet.last();
lower = detourSet.first();
break;
case 3:
upper=lower=detourSet.higher(detourSet.first());
break;
default://case 4:
upper=detourSet.lower(detourSet.last());
lower=detourSet.higher(detourSet.first());
break;
}
p1.setProperty("range", "["+String.valueOf(lower)+","+String.valueOf(upper)+"]");
ProtectedProperties prop1 = new ProtectedProperties(p1);
localAtts.add(new Attribute(previousSet.attribute(i).name(), prop1));
}
return localAtts;
}