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## org.eclipse.gemini.blueprint.extender.internal.dependencies.startup
Class DependencyServiceManager

    java.lang.Object
      org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.DependencyServiceManager

    public class DependencyServiceManager

extends Object

ServiceListener used for tracking dependent services. Even if the ServiceListener receives event synchronously, mutable properties should be synchronized to guarantee safe publishing between threads.

Author:
  Costin Leau, Hal Hildebrand, Andy Piper

Field Summary
`protected Map<org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.MandatoryServiceDependency,String>` | `dependencies`
`protected Map<org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.MandatoryServiceDependency,String>` | `unsatisfiedDependencies`

Constructor Summary
`DependencyServiceManager(ContextExecutorAccessor executor, DelegatedExecutionOsgiBundleApplicationContext context, List<OsgiServiceDependencyFactory> dependencyFactories, Runnable executeIfDone, long maxWaitTime)` Create a dependency manager, indicating the executor bound to, the context that contains the dependencies and the task to execute if all dependencies are met.

Method Summary
`protected void` | `deregister()`
`protected void` | `findServiceDependencies()`
`Map<org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.MandatoryServiceDependency,String>` | `getUnsatisfiedDependencies()`
`protected boolean` | `isSatisfied()`
`protected void` | `register()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### dependencies

    protected final Map<org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.MandatoryServiceDependency,String> dependencies

### unsatisfiedDependencies

    protected final Map<org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.MandatoryServiceDependency,String> unsatisfiedDependencies

Constructor Detail

### DependencyServiceManager

    public DependencyServiceManager(ContextExecutorAccessor executor,
                                    DelegatedExecutionOsgiBundleApplicationContext context,
                                    List<OsgiServiceDependencyFactory> dependencyFactories,
                                    Runnable executeIfDone,
                                    long maxWaitTime)

  Create a dependency manager, indicating the executor bound to, the context that contains the dependencies and the task to execute if all dependencies are met.

  Parameters:
    `executor` -
    `context` -
    `executeIfDone` -

Method Detail

### findServiceDependencies

    protected void findServiceDependencies()
                                    throws Exception

  Throws:
    `Exception`

### isSatisfied

    protected boolean isSatisfied()

### getUnsatisfiedDependencies

    public Map<org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.MandatoryServiceDependency,String> getUnsatisfiedDependencies()

### register

    protected void register()

### deregister

    protected void deregister()

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