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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. 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 is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.aaf.inno.env.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import org.onap.aaf.inno.env.Env;
import org.onap.aaf.inno.env.LogTarget;
import org.onap.aaf.inno.env.Slot;
import org.onap.aaf.inno.env.StoreImpl;
import org.onap.aaf.inno.env.TimeTaken;
import org.onap.aaf.inno.env.TransStore;
public abstract class AbsTrans<ENV extends Env> implements TransStore {
private static final float[] EMPTYF = new float[0];
private static final Object[] EMPTYO = new Object[0];
protected ENV delegate;
protected List<TimeTaken> trail = new ArrayList<TimeTaken>(30);
private Object[] state;
public AbsTrans(ENV delegate) {
this.delegate = delegate;
state = delegate instanceof StoreImpl?((StoreImpl) delegate).newTransState():EMPTYO;
}
// @Override
public LogTarget fatal() {
return delegate.fatal();
}
// @Override
public LogTarget error() {
return delegate.error();
}
// @Override
public LogTarget audit() {
return delegate.audit();
}
// @Override
public LogTarget init() {
return delegate.init();
}
// @Override
public LogTarget warn() {
return delegate.warn();
}
// @Override
public LogTarget info() {
return delegate.info();
}
// @Override
public LogTarget debug() {
return delegate.debug();
}
// @Override
public LogTarget trace() {
return delegate.trace();
}
/**
* Let the final Trans Implementation choose the exact kind of TimeTaken to use
* @param name
* @param flag
* @return
*/
protected abstract TimeTaken newTimeTaken(String name, int flag);
// @Override
public final TimeTaken start(String name, int flag) {
TimeTaken tt = newTimeTaken(name,flag);
trail.add(tt);
return tt;
}
// @Override
public final void checkpoint(String name) {
TimeTaken tt = newTimeTaken(name,CHECKPOINT);
tt.done();
trail.add(tt);
}
public final void checkpoint(String name, int additionalFlag) {
TimeTaken tt = newTimeTaken(name,CHECKPOINT|additionalFlag);
tt.done();
trail.add(tt);
}
@Override
public Metric auditTrail(int indent, StringBuilder sb, int ... flags) {
return auditTrail(info(),indent,sb,flags);
}
@Override
public Metric auditTrail(LogTarget lt, int indent, StringBuilder sb, int ... flags) {
Metric metric = new Metric();
int last = (metric.entries = trail.size()) -1;
metric.buckets = flags.length==0?EMPTYF:new float[flags.length];
if(last>=0) {
TimeTaken first = trail.get(0);
// If first entry is sub, then it's actually the last "end" as well
// otherwise, check end
//long end = (first.flag&SUB)==SUB?first.end():trail.get(last).end();
long end = trail.get(last).end();
metric.total = (end - first.start) / 1000000f;
}
if(sb==null) {
for(TimeTaken tt : trail) {
float ms = tt.millis();
for(int i=0;i<flags.length;++i) {
if(tt.flag == flags[i]) metric.buckets[i]+=ms;
}
}
} else if(!lt.isLoggable()) {
boolean first = true;
for(TimeTaken tt : trail) {
float ms = tt.millis();
for(int i=0;i<flags.length;++i) {
if(tt.flag == flags[i]) metric.buckets[i]+=ms;
}
if((tt.flag&ALWAYS)==ALWAYS) {
if(first) first = false;
else sb.append('/');
sb.append(tt.name);
}
}
} else {
Stack<Long> stack = new Stack<Long>();
for(TimeTaken tt : trail) {
// Create Indentation based on SUB
while(!stack.isEmpty() && tt.end()>stack.peek()) {
--indent;
stack.pop();
}
for(int i=0;i<indent;++i) {
sb.append(" ");
}
tt.output(sb);
sb.append('\n');
if((tt.flag&SUB)==SUB) {
stack.push(tt.end());
++indent;
}
// Add time values to Metric
float ms = tt.millis();
for(int i=0;i<flags.length;++i) {
if(tt.flag == flags[i]) metric.buckets[i]+=ms;
}
}
}
return metric;
}
/**
* Put data into the Trans State at the right slot
*/
// @Override
public void put(Slot slot, Object value) {
slot.put(state, value);
}
/**
* Get data from the Trans State from the right slot
*
* This will do a cast to the expected type derived from Default
*/
// @Override
@SuppressWarnings("unchecked")
public<T> T get(Slot slot, T deflt) {
Object o;
try {
o = slot.get(state);
} catch(ArrayIndexOutOfBoundsException e) {
// Env State Size has changed because of dynamic Object creation... Rare event, but needs to be covered
Object[] temp = ((StoreImpl) delegate).newTransState();
System.arraycopy(state, 0, temp, 0, state.length);
state = temp;
o=null;
}
return o==null?deflt:(T)o;
}
}
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