| package org.apache.felix.dm.impl.dependencies; |
| |
| import org.apache.felix.dm.dependencies.Dependency; |
| import org.apache.felix.dm.impl.InvocationUtil; |
| import org.apache.felix.dm.impl.Logger; |
| |
| public abstract class DependencyBase implements Dependency, DependencyActivation { |
| private boolean m_isRequired; |
| private boolean m_isInstanceBound; |
| protected final Logger m_logger; |
| |
| public DependencyBase(Logger logger) { |
| m_logger = logger; |
| } |
| |
| public synchronized boolean isRequired() { |
| return m_isRequired; |
| } |
| |
| protected synchronized void setIsRequired(boolean isRequired) { |
| m_isRequired = isRequired; |
| } |
| |
| public final boolean isInstanceBound() { |
| return m_isInstanceBound; |
| } |
| |
| public final void setIsInstanceBound(boolean isInstanceBound) { |
| m_isInstanceBound = isInstanceBound; |
| } |
| |
| protected void invokeCallbackMethod(Object[] instances, String methodName, Class[][] signatures, Object[][] parameters) { |
| try { |
| InvocationUtil.invokeCallbackMethod(instances, methodName, signatures, parameters); |
| } |
| catch (NoSuchMethodException e) { |
| m_logger.log(Logger.LOG_DEBUG, "Method '" + methodName + "' does not exist. Callback skipped."); |
| } |
| catch (Exception e) { |
| m_logger.log(Logger.LOG_DEBUG, "Invocation of '" + methodName + "' failed.", e); |
| } |
| } |
| } |