Initial commit for AAI-UI(sparky-backend)

[aai/sparky-be.git] / src / main / java / org / openecomp / sparky / analytics / AbstractStatistics.java

diff --git a/src/main/java/org/openecomp/sparky/analytics/AbstractStatistics.java b/src/main/java/org/openecomp/sparky/analytics/AbstractStatistics.java
new file mode 100644 (file)
index 0000000..e599165
--- /dev/null
+++ b/src/main/java/org/openecomp/sparky/analytics/AbstractStatistics.java
@@ -0,0 +1,180 @@
+/**
+ * ============LICENSE_START===================================================
+ * SPARKY (AAI UI service)
+ * ============================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
+ * ============================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=====================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+
+package org.openecomp.sparky.analytics;
+
+import java.util.HashMap;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * The Class AbstractStatistics.
+ */
+public class AbstractStatistics implements ComponentStatistics {
+
+  private HashMap<String, AtomicInteger> namedCounters;
+  private HashMap<String, HistogramSampler> namedHistograms;
+
+  /**
+   * Instantiates a new abstract statistics.
+   */
+  protected AbstractStatistics() {
+    namedCounters = new HashMap<String, AtomicInteger>();
+    namedHistograms = new HashMap<String, HistogramSampler>();
+  }
+
+  /* (non-Javadoc)
+   * @see org.openecomp.sparky.analytics.ComponentStatistics#addCounter(java.lang.String)
+   */
+  /*
+   * sync-lock the creation of counters during initialization, but run time should not use lock
+   * synchronization, only thread safe types
+   * 
+   * @see com.att.ecomp.uicommon.resolver.stat.ComponentStatistics#addCounter(java.lang.String)
+   */
+  @Override
+  public synchronized void addCounter(String key) {
+
+    AtomicInteger counter = namedCounters.get(key);
+
+    if (counter == null) {
+      counter = new AtomicInteger(0);
+      namedCounters.put(key, counter);
+    }
+
+  }
+
+  /* (non-Javadoc)
+   * @see org.openecomp.sparky.analytics.ComponentStatistics#pegCounter(java.lang.String)
+   */
+  @Override
+  public void pegCounter(String key) {
+
+    AtomicInteger counter = namedCounters.get(key);
+
+    if (counter != null) {
+      counter.incrementAndGet();
+    }
+
+  }
+
+  /* (non-Javadoc)
+   * @see org.openecomp.sparky.analytics.ComponentStatistics#incrementCounter(java.lang.String, int)
+   */
+  @Override
+  public void incrementCounter(String key, int value) {
+
+    AtomicInteger counter = namedCounters.get(key);
+
+    if (counter != null) {
+      counter.addAndGet(value);
+    }
+
+  }
+
+
+  /* (non-Javadoc)
+   * @see org.openecomp.sparky.analytics.ComponentStatistics#addHistogram(java.lang.String, java.lang.String, long, int, int)
+   */
+  @Override
+  public synchronized void addHistogram(String key, String histName, long maxYValue, int numBins,
+      int numDecimalPoints) {
+    HistogramSampler histSampler = namedHistograms.get(key);
+
+    if (histSampler == null) {
+      histSampler = new HistogramSampler(histName, maxYValue, numBins, numDecimalPoints);
+      namedHistograms.put(key, histSampler);
+    }
+
+  }
+
+  /* (non-Javadoc)
+   * @see org.openecomp.sparky.analytics.ComponentStatistics#updateHistogram(java.lang.String, long)
+   */
+  @Override
+  public void updateHistogram(String key, long value) {
+    HistogramSampler histSampler = namedHistograms.get(key);
+
+    if (histSampler != null) {
+      histSampler.track(value);
+    }
+  }
+
+  /* (non-Javadoc)
+   * @see org.openecomp.sparky.analytics.ComponentStatistics#reset()
+   */
+  @Override
+  public void reset() {
+
+    for (HistogramSampler h : namedHistograms.values()) {
+      h.clear();
+    }
+
+    for (AtomicInteger c : namedCounters.values()) {
+      c.set(0);
+    }
+
+  }
+
+  /**
+   * Gets the counter value.
+   *
+   * @param key the key
+   * @return the counter value
+   */
+  protected int getCounterValue(String key) {
+
+    AtomicInteger counter = namedCounters.get(key);
+
+    if (counter == null) {
+      return -1;
+    }
+
+    return counter.get();
+
+  }
+
+  /**
+   * Gets the histogram stats.
+   *
+   * @param key the key
+   * @param verboseEnabled the verbose enabled
+   * @param indentPadding the indent padding
+   * @return the histogram stats
+   */
+  protected String getHistogramStats(String key, boolean verboseEnabled, String indentPadding) {
+
+    HistogramSampler histSampler = namedHistograms.get(key);
+
+    if (histSampler == null) {
+      return null;
+    }
+
+    return histSampler.getStats(verboseEnabled, indentPadding);
+
+  }
+
+
+
+}