List of usage examples for java.util Arrays copyOfRange
public static boolean[] copyOfRange(boolean[] original, int from, int to)
From source file:com.netflix.dyno.contrib.consul.ConsulHelper.java
public static Map<String, String> getMetadata(List<String> tags) { LinkedHashMap<String, String> metadata = new LinkedHashMap<>(); if (tags != null) { for (String tag : tags) { String[] parts = StringUtils.split(tag, "="); switch (parts.length) { case 0: break; case 1: metadata.put(parts[0], parts[0]); break; case 2: metadata.put(parts[0], parts[1]); break; default: String[] end = Arrays.copyOfRange(parts, 1, parts.length); metadata.put(parts[0], StringUtils.join(end, "=")); break; }// ww w.ja v a 2 s . c o m } } return metadata; }
From source file:de.tudarmstadt.ukp.dkpro.tc.core.feature.InstanceIdFeature.java
public static Feature retrieve(JCas jcas, TextClassificationUnit unit, Integer sequenceId) { String fullId = DocumentMetaData.get(jcas).getDocumentId(); String[] parts = fullId.split("_"); fullId = StringUtils.join(Arrays.copyOfRange(parts, 0, parts.length - 1), "_"); fullId = fullId + "_" + sequenceId; fullId = fullId + "_" + unit.getId(); String suffix = unit.getSuffix(); if (suffix != null && suffix.length() > 0) { fullId = fullId + "_" + suffix; }/* w w w. ja v a 2s. c om*/ return new Feature(ID_FEATURE_NAME, fullId); }
From source file:com.opengamma.analytics.financial.timeseries.analysis.AutocovarianceFunctionCalculator.java
@Override public double[] evaluate(final DoubleTimeSeries<?> x) { Validate.notNull(x, "x"); if (x.isEmpty()) { throw new IllegalArgumentException("Time series was empty"); }/*from ww w . j a v a2 s . c om*/ final int h = x.size() - 1; final double[] result = new double[h]; final double mean = _meanCalculator.evaluate(x); double[] x1, x2; final int n = x.size(); double sum; final double[] x0 = x.valuesArrayFast(); for (int i = 0; i < h; i++) { x1 = Arrays.copyOfRange(x0, 0, n - i); x2 = Arrays.copyOfRange(x0, i, n); if (x1.length != x2.length) { throw new IllegalArgumentException("Series were not the same length; this should not happen"); } sum = 0; for (int j = 0; j < x1.length; j++) { sum += (x1[j] - mean) * (x2[j] - mean); } result[i] = sum / n; } return result; }
From source file:com.inmobi.messaging.util.AuditUtil.java
public static ByteBuffer removeHeader(byte[] data) { if (isValidHeaders(data)) { return ByteBuffer.wrap(Arrays.copyOfRange(data, HEADER_LENGTH, data.length)); } else {/* w w w. j a v a 2s. co m*/ return ByteBuffer.wrap(data); } }
From source file:edu.oregonstate.eecs.mcplan.domains.voyager.Main.java
private static PolicyFactory<VoyagerState, VoyagerEvent, VoyagerParameters, VoyagerInstance> createPolicy( final String[] args) { final String policy_name = args[0]; final String[] policy_args = Arrays.copyOfRange(args, 1, args.length); if ("FastExpandPolicy".equals(policy_name)) { // TODO:/*from ww w. j a v a 2 s . co m*/ return null; } else { throw new IllegalArgumentException(); } }
From source file:com.codebutler.farebot.transit.myway.MyWayTagRecord.java
public MyWayTagRecord(byte[] record) { byte[] ts = Utils.reverseBuffer(record, 3, 4); mTimestamp = Utils.byteArrayToInt(ts); mTagOn = record[7] == 0x10;//w w w . j a v a 2s.co m byte[] route = Arrays.copyOfRange(record, 8, 4 + 8); route = ArrayUtils.removeAllOccurences(route, (byte) 0x00); mRoute = new String(route); byte[] cost = Utils.reverseBuffer(record, 13, 2); mCost = Utils.byteArrayToInt(cost); }
From source file:com.ning.arecibo.util.timeline.times.TimesAndSamplesCoder.java
public static TimeBytesAndSampleBytes getTimesBytesAndSampleBytes(final byte[] timesAndSamples) { final int timeByteCount = getSizeOfTimeBytes(timesAndSamples); final byte[] timeBytes = Arrays.copyOfRange(timesAndSamples, 4, 4 + timeByteCount); final byte[] sampleBytes = Arrays.copyOfRange(timesAndSamples, 4 + timeByteCount, timesAndSamples.length); return new TimeBytesAndSampleBytes(timeBytes, sampleBytes); }
From source file:com.opengamma.analytics.math.statistics.descriptive.QuartileSkewnessCalculator.java
/** * @param x The array of data, not null. Must contain at least three points. * @return The quartile skewness.//from w w w.ja v a 2 s.c om */ @Override public Double evaluate(final double[] x) { Validate.notNull(x, "x"); final int n = x.length; Validate.isTrue(n >= 3, "Need at least three points to calculate interquartile range"); if (n == 3) { return (x[2] - 2 * x[1] + x[0]) / 2.; } final double[] copy = Arrays.copyOf(x, n); Arrays.sort(copy); double[] lower, upper; if (n % 2 == 0) { lower = Arrays.copyOfRange(copy, 0, n / 2); upper = Arrays.copyOfRange(copy, n / 2, n); } else { lower = Arrays.copyOfRange(copy, 0, n / 2 + 1); upper = Arrays.copyOfRange(copy, n / 2, n); } final double q1 = MEDIAN.evaluate(lower); final double q2 = MEDIAN.evaluate(x); final double q3 = MEDIAN.evaluate(upper); return (q1 - 2 * q2 + q3) / (q3 - q1); }
From source file:io.dyn.core.handler.Handlers.java
@SuppressWarnings({ "unchecked" })
public static void invoke(final Object handler, final Object... args) {
if (handler instanceof io.dyn.core.handler.Handler) {
int argc = args.length;
Object argument = (argc > 0 ? args[0] : null);
Object[] otherArgs = (argc > 1 ? Arrays.copyOfRange(args, 1, args.length - 1) : new Object[0]);
((io.dyn.core.handler.Handler) handler).handle(argument, otherArgs);
return;//w w w .ja va 2 s . c om
}
if (Sys.isGroovyPresent()) {
if (handler instanceof groovy.lang.Closure) {
groovy.lang.Closure cl = ((groovy.lang.Closure) handler);
Class[] paramTypes = cl.getParameterTypes();
if (paramTypes.length == 0) {
cl.call();
} else {
Object[] params = new Object[paramTypes.length];
if (null != args && args.length > 0) {
for (int i = 0; i < params.length; i++) {
if (null != args[i] && !ClassUtils.isAssignable(args[i].getClass(), paramTypes[i])) {
params[i] = Sys.DEFAULT_CONVERSION_SERVICE.convert(args[i], paramTypes[i]);
} else {
params[i] = args[i];
}
}
cl.call(params);
} else {
cl.call(args);
}
}
return;
}
}
/*
if (Sys.isScalaPresent()) {
if (handler instanceof scala.Function1) {
((scala.Function1) handler).apply(argument);
return;
}
}
*/
/*
if (Sys.isClojurePresent()) {
if (handler instanceof clojure.lang.IFn) {
((clojure.lang.IFn) handler).invoke(argument);
return;
}
}
*/
if (handler instanceof Runnable) {
((Runnable) handler).run();
}
}
From source file:Main.java
/** * Returns all threads that have a name matching the specified pattern name. * // ww w. j a v a 2 s . c o m * @param threadNamePattern * regex to match. * * @return all threads that have a name matching the specified pattern name. */ public static Thread[] getAllThreads(String threadNamePattern) { Thread[] threads = getAllThreads(); Thread[] filteredThreads = new Thread[threads.length]; int i = 0; for (Thread t : threads) { if (t.getName().matches(threadNamePattern)) { filteredThreads[i] = t; i++; } } return Arrays.copyOfRange(filteredThreads, 0, i); }