Package org.linuxforhealth.fhir.server.spi.operation

Class AbstractOperation

java.lang.Object

org.linuxforhealth.fhir.server.spi.operation.AbstractOperation

All Implemented Interfaces:

FHIROperation

Direct Known Subclasses:

AbstractCqlOperation, AbstractDataRequirementsOperation, AbstractMeasureOperation, AbstractTermOperation, ApplyOperation, BadOperation, BenchOperation, ConvertOperation, CrashingOperation, DocumentOperation, EraseOperation, EverythingOperation, ExportOperation, HealthcheckOperation, ImportOperation, MeasureSubmitDataOperation, MemberMatchOperation, MyOperation, ReindexOperation, RetrieveIndexOperation, StatusOperation, ValidateOperation, VersionsOperation

public abstract class AbstractOperation
extends java.lang.Object
implements FHIROperation

Field Summary

Fields

Modifier and Type	Field	Description
protected OperationDefinition	definition

Constructor Summary

Constructors

Constructor	Description
AbstractOperation()

Method Summary

Modifier and Type	Method	Description
protected FHIROperationException	buildExceptionWithIssue(java.lang.String msg, IssueType issueType)
protected FHIROperationException	buildExceptionWithIssue(java.lang.String msg, IssueType issueType, java.lang.Throwable cause)
protected abstract OperationDefinition	buildOperationDefinition()
protected int	countParameters(Parameters parameters, java.lang.String name)
protected abstract Parameters	doInvoke(FHIROperationContext operationContext, java.lang.Class<? extends Resource> resourceType, java.lang.String logicalId, java.lang.String versionId, Parameters parameters, FHIRResourceHelpers resourceHelper, SearchHelper searchHelper)	This is the method that concrete subclasses must implement to perform the operation logic.
protected OperationDefinition.Parameter	findOpDefParameter(java.util.List<OperationDefinition.Parameter> parameters, java.lang.String name)	Find the operation definition parameter with the specified name.
OperationDefinition	getDefinition()
java.lang.String	getName()
protected Parameters.Parameter	getParameter(Parameters parameters, java.lang.String name)	Get the first instance of a parameter by name
protected java.util.List<OperationDefinition.Parameter>	getParameterDefinitions(OperationParameterUse use)
protected java.util.List<Parameters.Parameter>	getParameters(Parameters parameters, java.lang.String name)	Get all instances of a parameter by name
protected java.util.List<java.lang.String>	getResourceTypeNames()
Parameters	invoke(FHIROperationContext operationContext, java.lang.Class<? extends Resource> resourceType, java.lang.String logicalId, java.lang.String versionId, Parameters parameters, FHIRResourceHelpers resourceHelper, SearchHelper searchHelper)	Invoke the operation.
protected boolean	isAbstractResourceTypesDisallowed()	Determines if the operation disallows abstract resource types, Resource and DomainResource.
protected boolean	isAdditionalMethodAllowed(java.lang.String method)	Determines if any methods (except GET and POST) are allowed for the operation.
protected void	validateInputParameters(FHIROperationContext operationContext, java.lang.Class<? extends Resource> resourceType, java.lang.String logicalId, java.lang.String versionId, Parameters parameters)
protected void	validateOperationContext(FHIROperationContext operationContext, java.lang.Class<? extends Resource> resourceType, Parameters parameters)
protected void	validateOutputParameters(FHIROperationContext operationContext, Parameters result)
protected void	validateParameters(FHIROperationContext operationContext, Parameters parameters, OperationParameterUse use)

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

definition

protected final OperationDefinition definition

Constructor Detail

AbstractOperation

public AbstractOperation()

Method Detail

getDefinition

public OperationDefinition getDefinition()

Specified by:

getDefinition in interface FHIROperation

getName

public java.lang.String getName()

Specified by:

getName in interface FHIROperation

invoke

public final Parameters invoke(FHIROperationContext operationContext,
                               java.lang.Class<? extends Resource> resourceType,
                               java.lang.String logicalId,
                               java.lang.String versionId,
                               Parameters parameters,
                               FHIRResourceHelpers resourceHelper,
                               SearchHelper searchHelper)
                        throws FHIROperationException

Description copied from interface: FHIROperation

Invoke the operation.

Specified by:

invoke in interface FHIROperation

Throws:

FHIROperationException - if input or output parameters fail validation or an exception occurs

buildOperationDefinition

protected abstract OperationDefinition buildOperationDefinition()

countParameters

protected int countParameters(Parameters parameters,
                              java.lang.String name)

doInvoke

protected abstract Parameters doInvoke(FHIROperationContext operationContext,
                                       java.lang.Class<? extends Resource> resourceType,
                                       java.lang.String logicalId,
                                       java.lang.String versionId,
                                       Parameters parameters,
                                       FHIRResourceHelpers resourceHelper,
                                       SearchHelper searchHelper)
                                throws FHIROperationException

This is the method that concrete subclasses must implement to perform the operation logic.

Returns:

the Parameters object to return or null if there is no response Parameters object to return

Throws:

FHIROperationException

getParameterDefinitions

protected java.util.List<OperationDefinition.Parameter> getParameterDefinitions(OperationParameterUse use)

getParameter

protected Parameters.Parameter getParameter(Parameters parameters,
                                            java.lang.String name)

Get the first instance of a parameter by name

Parameters:

parameters -

name - non-null

Returns:

the first parameter that matches the given name; or null if none exist

Throws:

java.lang.NullPointerException - if name is null

getParameters

protected java.util.List<Parameters.Parameter> getParameters(Parameters parameters,
                                                             java.lang.String name)

Get all instances of a parameter by name

Parameters:

parameters -

name - non-null

Returns:

a list of parameters that match the given name; never null

Throws:

java.lang.NullPointerException - if name is null

getResourceTypeNames

protected java.util.List<java.lang.String> getResourceTypeNames()

validateInputParameters

protected void validateInputParameters(FHIROperationContext operationContext,
                                       java.lang.Class<? extends Resource> resourceType,
                                       java.lang.String logicalId,
                                       java.lang.String versionId,
                                       Parameters parameters)
                                throws FHIROperationException

Throws:

FHIROperationException

validateOperationContext

protected void validateOperationContext(FHIROperationContext operationContext,
                                        java.lang.Class<? extends Resource> resourceType,
                                        Parameters parameters)
                                 throws FHIROperationException

Throws:

FHIROperationException

isAdditionalMethodAllowed

protected boolean isAdditionalMethodAllowed(java.lang.String method)

Determines if any methods (except GET and POST) are allowed for the operation. This can be overridden by an operation to allow additional methods.

Returns:

true or false

isAbstractResourceTypesDisallowed

protected boolean isAbstractResourceTypesDisallowed()

Determines if the operation disallows abstract resource types, Resource and DomainResource. TODO: Remove this method when Issue #2526 is implemented, at which time, abstract resource types will be disallowed for any operation.

Returns:

true or false

validateOutputParameters

protected void validateOutputParameters(FHIROperationContext operationContext,
                                        Parameters result)
                                 throws FHIROperationException

Throws:

FHIROperationException

validateParameters

protected void validateParameters(FHIROperationContext operationContext,
                                  Parameters parameters,
                                  OperationParameterUse use)
                           throws FHIROperationException

Throws:

FHIROperationException

findOpDefParameter

protected OperationDefinition.Parameter findOpDefParameter(java.util.List<OperationDefinition.Parameter> parameters,
                                                           java.lang.String name)

Find the operation definition parameter with the specified name.

Parameters:

parameters - the list of parameters from the OperationDefinition

name - the name of the parameter to find

Returns:

the operation definition parameter with the specified name or null if not found

buildExceptionWithIssue

protected FHIROperationException buildExceptionWithIssue(java.lang.String msg,
                                                         IssueType issueType)
                                                  throws FHIROperationException

Throws:

FHIROperationException

buildExceptionWithIssue

protected FHIROperationException buildExceptionWithIssue(java.lang.String msg,
                                                         IssueType issueType,
                                                         java.lang.Throwable cause)
                                                  throws FHIROperationException

Throws:

FHIROperationException