[#1786] engine: Unify parameter setters

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>

pkg/local_object_storage/engine/delete.go

@@ -23,18 +23,14 @@ type DeleteRes struct{}
 //
 // Option is required.
 func (p *DeletePrm) WithAddress(addr oid.Address) {
-	if p != nil {
-		p.addr = addr
-	}
+	p.addr = addr
 }
 
 // WithForceRemoval is a Delete option to remove an object despite any
 // restrictions imposed on deleting that object. Expected to be used
 // only in control service.
 func (p *DeletePrm) WithForceRemoval() {
-	if p != nil {
-		p.forceRemoval = true
-	}
+	p.forceRemoval = true
 }
 
 // Delete marks the objects to be removed.

pkg/local_object_storage/engine/get.go

@@ -25,9 +25,7 @@ type GetRes struct {
 //
 // Option is required.
 func (p *GetPrm) WithAddress(addr oid.Address) {
-	if p != nil {
-		p.addr = addr
-	}
+	p.addr = addr
 }
 
 // Object returns the requested object.

pkg/local_object_storage/engine/head.go

@@ -25,18 +25,14 @@ type HeadRes struct {
 //
 // Option is required.
 func (p *HeadPrm) WithAddress(addr oid.Address) {
-	if p != nil {
-		p.addr = addr
-	}
+	p.addr = addr
 }
 
 // WithRaw is a Head option to set raw flag value. If flag is unset, then Head
 // returns the header of the virtual object, otherwise it returns SplitInfo of the virtual
 // object.
 func (p *HeadPrm) WithRaw(raw bool) {
-	if p != nil {
-		p.raw = raw
-	}
+	p.raw = raw
 }
 
 // Header returns the requested object header.

pkg/local_object_storage/engine/inhume.go

@@ -28,29 +28,23 @@ type InhumeRes struct{}
 // tombstone should not be nil, addr should not be empty.
 // Should not be called along with MarkAsGarbage.
 func (p *InhumePrm) WithTarget(tombstone oid.Address, addrs ...oid.Address) {
-	if p != nil {
-		p.addrs = addrs
-		p.tombstone = &tombstone
-	}
+	p.addrs = addrs
+	p.tombstone = &tombstone
 }
 
 // MarkAsGarbage marks an object to be physically removed from local storage.
 //
 // Should not be called along with WithTarget.
 func (p *InhumePrm) MarkAsGarbage(addrs ...oid.Address) {
-	if p != nil {
-		p.addrs = addrs
-		p.tombstone = nil
-	}
+	p.addrs = addrs
+	p.tombstone = nil
 }
 
 // WithForceRemoval inhumes objects specified via MarkAsGarbage with GC mark
 // without any object restrictions checks.
 func (p *InhumePrm) WithForceRemoval() {
-	if p != nil {
-		p.forceRemoval = true
-		p.tombstone = nil
-	}
+	p.forceRemoval = true
+	p.tombstone = nil
 }
 
 var errInhumeFailure = errors.New("inhume operation failed")

pkg/local_object_storage/engine/put.go

@@ -23,9 +23,7 @@ var errPutShard = errors.New("could not put object to any shard")
 //
 // Option is required.
 func (p *PutPrm) WithObject(obj *objectSDK.Object) {
-	if p != nil {
-		p.obj = obj
-	}
+	p.obj = obj
 }
 
 // Put saves the object to local storage.

pkg/local_object_storage/engine/range.go

@@ -27,9 +27,7 @@ type RngRes struct {
 //
 // Option is required.
 func (p *RngPrm) WithAddress(addr oid.Address) {
-	if p != nil {
-		p.addr = addr
-	}
+	p.addr = addr
 }
 
 // WithPayloadRange is a GetRange option to set range of requested payload data.
@@ -37,9 +35,7 @@ func (p *RngPrm) WithAddress(addr oid.Address) {
 // Missing an option or calling with zero length is equivalent
 // to getting the full payload range.
 func (p *RngPrm) WithPayloadRange(rng *objectSDK.Range) {
-	if p != nil {
-		p.off, p.ln = rng.GetOffset(), rng.GetLength()
-	}
+	p.off, p.ln = rng.GetOffset(), rng.GetLength()
 }
 
 // Object returns the requested object part.

pkg/local_object_storage/engine/select.go

@@ -20,16 +20,12 @@ type SelectRes struct {
 
 // WithContainerID is a Select option to set the container id to search in.
 func (p *SelectPrm) WithContainerID(cnr cid.ID) {
-	if p != nil {
-		p.cnr = cnr
-	}
+	p.cnr = cnr
 }
 
 // WithFilters is a Select option to set the object filters.
 func (p *SelectPrm) WithFilters(fs object.SearchFilters) {
-	if p != nil {
-		p.filters = fs
-	}
+	p.filters = fs
 }
 
 // AddressList returns list of addresses of the selected objects.