ph-schematron/src/main/java/com/helger/schematron/pure/bound/PSBoundSchemaCacheKey.java
@Nonnull
  @OverrideOnDemand
  public PSSchema readSchema (@Nonnull final IReadableResource aResource,
                              @Nullable final IPSErrorHandler aErrorHandler,
                              @Nullable final EntityResolver aEntityResolver) throws SchematronException
  {
    return new PSReader (aResource, aErrorHandler, aEntityResolver).readSchema ();
  }
@Nonnull
  @OverrideOnDemand
  public PSSchema readSchema (@Nonnull final IReadableResource aResource,
                              @Nullable final IPSErrorHandler aErrorHandler,
                              @Nullable final EntityResolver aEntityResolver) throws SchematronException
  {
    return new PSReader (aResource, aErrorHandler, aEntityResolver).readSchema ();
  }
Read the specified schema from the passed resource.

@param aResource
The resource to read from. Never <code>null</code>.
@param aErrorHandler
The error handler to use. May be <code>null</code>.
@param aEntityResolver
The XML entity resolver to be used. May be <code>null</code>.
@return The read schema. May not be <code>null</code>.
@throws SchematronException
In case there is an error reading.