/**
* Tests if the allowable lifetime of the given connection has already elapsed. Edge cases:
*
* <ol>
* <li>Non-{@link PooledLDAPConnection} - returns <code>true</code>
* <li><code>maxTtl</code> <= 0 - returns <code>true</code>
* <li>Connection birthdate in the future - returns <code>true</code>
* </ol>
*/
public boolean isConnectionAlive(LDAPConnection connectionToTest) {
if (!(connectionToTest instanceof PooledLDAPConnection)) {
if (log.isDebugEnabled()) {
log.debug(
"isConnectionAlive(): connection not of expected type ["
+ (connectionToTest == null ? "null" : connectionToTest.getClass().getName())
+ "], returning true");
}
return true;
}
if (maxTtl <= 0) {
if (log.isDebugEnabled()) {
log.debug("isConnectionAlive(): maxTtl set to infinite [" + maxTtl + "], returning true");
}
return true;
}
long now = System.currentTimeMillis();
long then = ((PooledLDAPConnection) connectionToTest).getBirthdate();
long elapsed = now - then;
boolean isAlive = elapsed <= maxTtl;
if (log.isDebugEnabled()) {
log.debug(
"isConnectionAlive(): [now = "
+ now
+ "][then = "
+ then
+ "][elapsed = "
+ elapsed
+ "][max TTL = "
+ maxTtl
+ "][isAlive = "
+ isAlive
+ "]");
}
return isAlive;
}
