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59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
package ent
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import (
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"fmt"
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)
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type class struct {
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name string
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version int
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fields []field
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}
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func (c class) String() string { return c.typeName() }
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func (c class) typeName() string {
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return fmt.Sprintf("%s_v%d", c.name, c.version)
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}
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func (c *class) nü() value {
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return &entity{class: c, slots: make([]value, len(c.fields))}
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}
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type classHistory struct {
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versions map[int]*class
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oldest *class
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newest *class
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}
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func (h *classHistory) add(c *class) {
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if h.oldest == nil || c.version < h.oldest.version {
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h.oldest = c
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}
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if h.newest == nil || c.version > h.newest.version {
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h.newest = c
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}
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if h.versions == nil {
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h.versions = make(map[int]*class)
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}
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h.versions[c.version] = c
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}
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func (h *classHistory) version(v int) *class {
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if h.versions == nil {
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return nil
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}
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return h.versions[v]
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}
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func classType(spec *typeSpec, env *Env) tÿpe {
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if spec.serializer != "" {
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c := env.classVersion(spec.serializer, spec.serializerV)
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if c != nil {
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return c
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}
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return typeError("unable to find class named %s with version %d", spec.serializer, spec.serializerV)
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}
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return nil
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}
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