Example usage for org.apache.commons.pool ObjectPool getNumIdle

Introduction

In this page you can find the example usage for org.apache.commons.pool ObjectPool getNumIdle.

Prototype

int getNumIdle() throws UnsupportedOperationException;

Source Link

Usage

From source file:org.infoglue.cms.util.workflow.InfoGlueJDBCPropertySet.java

public void printDriverStats() throws Exception {
    PoolingDriver driver = (PoolingDriver) DriverManager.getDriver("jdbc:apache:commons:dbcp:");
    ObjectPool connectionPool = driver.getConnectionPool("infoGlueJDBCPropertySet");

    if (logger.isInfoEnabled()) {
        logger.info("NumActive: " + connectionPool.getNumActive());
        logger.info("NumIdle: " + connectionPool.getNumIdle());
    }/* w  ww . jav  a 2  s.  c o m*/
}

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From source file:org.jvoicexml.implementation.pool.KeyedResourcePool.java

/**
 * Type safe return of the object to borrow from the pool.
 * @param key the type of the object to borrow from the pool
 * @return borrowed object//from w w  w  .j  a va 2  s  .  c  om
 * @exception NoresourceError
 *            the object could not be borrowed
 */
@SuppressWarnings("unchecked")
public synchronized T borrowObject(final Object key) throws NoresourceError {
    final ObjectPool pool = pools.get(key);
    if (pool == null) {
        throw new NoresourceError("Pool of type '" + key + "' is unknown!");
    }
    T resource;
    try {
        resource = (T) pool.borrowObject();
    } catch (NoSuchElementException e) {
        throw new NoresourceError(e.getMessage(), e);
    } catch (IllegalStateException e) {
        throw new NoresourceError(e.getMessage(), e);
    } catch (Exception e) {
        throw new NoresourceError(e.getMessage(), e);
    }
    LOGGER.info("borrowed object of type '" + key + "' (" + resource.getClass().getCanonicalName() + ")");
    if (LOGGER.isDebugEnabled()) {
        final int active = pool.getNumActive();
        final int idle = pool.getNumIdle();
        LOGGER.debug("pool has now " + active + " active/" + idle + " idle for key '" + key + "' ("
                + resource.getClass().getCanonicalName() + ") after borrow");
    }

    return resource;
}

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From source file:org.jvoicexml.implementation.pool.KeyedResourcePool.java

/**
 * Returns a previously borrowed resource to the pool.
 * @param key resource type./*from  w ww  .j  a  v a2s .  c  o  m*/
 * @param resource resource to return.
 * @throws NoresourceError
 *         Error returning the object to the pool.
 * @since 0.6
 */
public synchronized void returnObject(final String key, final T resource) throws NoresourceError {
    final ObjectPool pool = pools.get(key);
    if (pool == null) {
        throw new NoresourceError("Pool of type '" + key + "' is unknown!");
    }
    try {
        pool.returnObject(resource);
    } catch (Exception e) {
        throw new NoresourceError(e.getMessage(), e);
    }
    LOGGER.info("returned object of type '" + key + "' (" + resource.getClass().getCanonicalName() + ")");

    if (LOGGER.isDebugEnabled()) {
        final int active = pool.getNumActive();
        final int idle = pool.getNumIdle();
        LOGGER.debug("pool has now " + active + " active/" + idle + " idle for key '" + key + "' ("
                + resource.getClass().getCanonicalName() + ") after return");
    }
}

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From source file:org.jvoicexml.implementation.pool.KeyedResourcePool.java

/**
 * Retrieves the number of idle resources in all pools.
 * @return number of idle resources/* w ww  .j ava2 s.c  o m*/
 * @since 0.7.3
 */
public synchronized int getNumIdle() {
    int idle = 0;
    final Collection<ObjectPool> col = pools.values();
    for (ObjectPool pool : col) {
        idle += pool.getNumIdle();
    }
    return idle;
}

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From source file:org.jvoicexml.implementation.pool.KeyedResourcePool.java

/**
 * Retrieves the number of idle resources in the pool for the given key.
 * @param key the key/* w w  w. j  a v  a2 s .co m*/
 * @return number of idle resources, <code>-1</code> if there is no resource
 *         with that key
 * @since 0.7.3
 */
public synchronized int getNumIdle(final String key) {
    final ObjectPool pool = pools.get(key);
    if (pool == null) {
        return -1;
    }
    return pool.getNumIdle();
}

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From source file:org.kitodo.data.database.persistence.apache.ConnectionManager.java

/**
 * Print Driver Stats./*w  ww.  j a v a 2 s.c  om*/
 */
public static void printDriverStats() throws Exception {
    ObjectPool connectionPool = ConnectionManager._pool;
    if (logger.isDebugEnabled()) {
        logger.debug("NumActive: " + connectionPool.getNumActive());
        logger.debug("NumIdle: " + connectionPool.getNumIdle());
    }
}

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From source file:org.opencms.db.CmsDriverManager.java

/** 
 * Returns the number of idle connections managed by a pool.<p> 
 * //from  ww  w.ja  va 2 s  .  c o  m
 * @param dbPoolUrl the url of a pool 
 * @return the number of idle connections 
 * @throws CmsDbException if something goes wrong 
 */
public int getIdleConnections(String dbPoolUrl) throws CmsDbException {

    try {
        for (Iterator<PoolingDriver> i = m_connectionPools.iterator(); i.hasNext();) {
            PoolingDriver d = i.next();
            ObjectPool p = d.getConnectionPool(dbPoolUrl);
            return p.getNumIdle();
        }
    } catch (Exception exc) {
        CmsMessageContainer message = Messages.get().container(Messages.ERR_ACCESSING_POOL_1, dbPoolUrl);
        throw new CmsDbException(message, exc);
    }

    CmsMessageContainer message = Messages.get().container(Messages.ERR_UNKNOWN_POOL_URL_1, dbPoolUrl);
    throw new CmsDbException(message);
}

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From source file:org.plasma.sdo.jdbc.connect.RDBConnectionManager.java

public static void printDriverStats() throws Exception {
    ObjectPool connectionPool = RDBConnectionManager._pool;
    log.debug("NumActive: " + connectionPool.getNumActive());
    log.debug("NumIdle: " + connectionPool.getNumIdle());
}

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From source file:org.quickserver.net.server.impl.BasicPoolManager.java

public void initPool(ObjectPool objectPool, PoolConfig opConfig) {
    int initSize = opConfig.getInitSize();
    try {/*  ww  w. jav  a2  s  .  com*/
        while (objectPool.getNumIdle() < initSize)
            objectPool.addObject();
    } catch (Exception e) {
        logger.log(Level.FINE, "Error: {0}", e);
    }
}

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From source file:org.quickserver.util.pool.PoolHelper.java

/**
 * Check if Pool is open.// ww  w  .ja v  a2s  .  c o  m
 */
public static boolean isPoolOpen(ObjectPool pool) {
    try {
        pool.getNumIdle();
    } catch (Exception e) {
        return false;
    }
    return true;
}

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