container/common/src/main/java/org/mobicents/slee/container/management/jmx/DeploymentMBeanImpl.java
public boolean isInstalled(DeployableUnitID deployableUnitID)
			throws NullPointerException, ManagementException {
		if (deployableUnitID == null)
			throw new NullPointerException("null deployableUnitID");
		try {
			return getSleeContainer().getDeployableUnitManagement()
					.getDeployableUnit(deployableUnitID) != null;
		} catch (Throwable ex) {
			throw new ManagementException(ex.getMessage(), ex);
		}
	}
public boolean isInstalled(DeployableUnitID deployableUnitID)
			throws NullPointerException, ManagementException {
		if (deployableUnitID == null)
			throw new NullPointerException("null deployableUnitID");
		try {
			return getSleeContainer().getDeployableUnitManagement()
					.getDeployableUnit(deployableUnitID) != null;
		} catch (Throwable ex) {
			throw new ManagementException(ex.getMessage(), ex);
		}
	}
/*
(non-Javadoc)

@see javax.slee.management.DeploymentMBean#isInstalled(javax.slee.management.DeployableUnitID)