Golang triple.Triple类代码示例

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本文整理汇总了Golang中github.com/google/badwolf/triple.Triple类的典型用法代码示例。如果您正苦于以下问题：Golang Triple类的具体用法？Golang Triple怎么用？Golang Triple使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Triple类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Exist

// Exists checks if the provided triple exist on the store.
func (m *memory) Exist(t *triple.Triple) (bool, error) {
	guid := t.GUID()
	m.rwmu.RLock()
	_, ok := m.idx[guid]
	m.rwmu.RUnlock()
	return ok, nil
}

开发者ID:rtu，项目名称:badwolf，代码行数:8，代码来源:memory.go

示例2: tripleToRow

// tripleToRow converts a triple into a row using the binndings specidfied
// on the graph clause.
func tripleToRow(t *triple.Triple, cls *semantic.GraphClause) (table.Row, error) {
	r, s, p, o := make(table.Row), t.Subject(), t.Predicate(), t.Object()

	// Enforce binding validity inside te clause.
	bnd := make(map[string]*table.Cell)
	validBinding := func(k string, v *table.Cell) bool {
		c, ok := bnd[k]
		bnd[k] = v
		if !ok {
			return true
		}
		if reflect.DeepEqual(c, v) {
			return true
		}
		return false
	}

	// Subject related bindings.
	if cls.SBinding != "" {
		c := &table.Cell{N: s}
		r[cls.SBinding] = c
		if !validBinding(cls.SBinding, c) {
			return nil, nil
		}
	}
	if cls.SAlias != "" {
		c := &table.Cell{N: s}
		r[cls.SAlias] = c
		if !validBinding(cls.SAlias, c) {
			return nil, nil
		}
	}
	if cls.STypeAlias != "" {
		c := &table.Cell{S: s.Type().String()}
		r[cls.STypeAlias] = c
		if !validBinding(cls.STypeAlias, c) {
			return nil, nil
		}
	}
	if cls.SIDAlias != "" {
		c := &table.Cell{S: s.ID().String()}
		r[cls.SIDAlias] = c
		if !validBinding(cls.SIDAlias, c) {
			return nil, nil
		}
	}

	// Predicate related bindings.
	if cls.PBinding != "" {
		c := &table.Cell{P: p}
		r[cls.PBinding] = c
		if !validBinding(cls.PBinding, c) {
			return nil, nil
		}
	}
	if cls.PAlias != "" {
		c := &table.Cell{P: p}
		r[cls.PAlias] = c
		if !validBinding(cls.PAlias, c) {
			return nil, nil
		}
	}
	if cls.PIDAlias != "" {
		c := &table.Cell{S: string(p.ID())}
		r[cls.PIDAlias] = c
		if !validBinding(cls.PIDAlias, c) {
			return nil, nil
		}
	}
	if cls.PAnchorBinding != "" {
		if p.Type() != predicate.Temporal {
			return nil, fmt.Errorf("cannot retrieve the time anchor value for non temporal predicate %q in binding %q", p, cls.PAnchorBinding)
		}
		t, err := p.TimeAnchor()
		if err != nil {
			return nil, fmt.Errorf("failed to retrieve the time anchor value for predicate %q in binding %q with error %v", p, cls.PAnchorBinding, err)
		}
		c := &table.Cell{T: t}
		r[cls.PAnchorBinding] = c
		if !validBinding(cls.PAnchorBinding, c) {
			return nil, nil
		}
	}

	if cls.PAnchorAlias != "" {
		if p.Type() != predicate.Temporal {
			return nil, fmt.Errorf("cannot retrieve the time anchor value for non temporal predicate %q in binding %q", p, cls.PAnchorAlias)
		}
		t, err := p.TimeAnchor()
		if err != nil {
			return nil, fmt.Errorf("failed to retrieve the time anchor value for predicate %q in binding %q with error %v", p, cls.PAnchorAlias, err)
		}
		c := &table.Cell{T: t}
		r[cls.PAnchorAlias] = c
		if !validBinding(cls.PAnchorAlias, c) {
			return nil, nil
		}
	}
//.........这里部分代码省略.........

开发者ID:defrager，项目名称:badwolf，代码行数:101，代码来源:data_access.go

示例3: tripleToRow

// tripleToRow converts a triple into a row using the binndings specidfied
// on the graph clause.
func tripleToRow(t *triple.Triple, cls *semantic.GraphClause) (table.Row, error) {
	r, s, p, o := make(table.Row), t.S(), t.P(), t.O()

	// Subject related bindings.
	if cls.SBinding != "" {
		r[cls.SBinding] = &table.Cell{N: s}
	}
	if cls.SAlias != "" {
		r[cls.SAlias] = &table.Cell{N: s}
	}
	if cls.STypeAlias != "" {
		r[cls.STypeAlias] = &table.Cell{S: s.Type().String()}
	}
	if cls.SIDAlias != "" {
		r[cls.SIDAlias] = &table.Cell{S: s.ID().String()}
	}

	// Predicate related bindings.
	if cls.PBinding != "" {
		r[cls.PBinding] = &table.Cell{P: p}
	}
	if cls.PAlias != "" {
		r[cls.PAlias] = &table.Cell{P: p}
	}
	if cls.PIDAlias != "" {
		r[cls.PIDAlias] = &table.Cell{S: string(p.ID())}
	}
	if cls.PAnchorBinding != "" {
		if p.Type() != predicate.Temporal {
			return nil, fmt.Errorf("cannot retrieve the time anchor value for non temporal predicate %q in binding %q", p, cls.PAnchorBinding)
		}
		t, err := p.TimeAnchor()
		if err != nil {
			return nil, fmt.Errorf("failed to retrieve the time anchor value for predicate %q in binding %q with error %v", p, cls.PAnchorBinding, err)
		}
		r[cls.PAnchorBinding] = &table.Cell{T: t}
	}

	if cls.PAnchorAlias != "" {
		if p.Type() != predicate.Temporal {
			return nil, fmt.Errorf("cannot retrieve the time anchor value for non temporal predicate %q in binding %q", p, cls.PAnchorAlias)
		}
		t, err := p.TimeAnchor()
		if err != nil {
			return nil, fmt.Errorf("failed to retrieve the time anchor value for predicate %q in binding %q with error %v", p, cls.PAnchorAlias, err)
		}
		r[cls.PAnchorAlias] = &table.Cell{T: t}
	}

	// Object related bindings.
	if cls.OBinding != "" {
		// Extract the object type.
		c, err := objectToCell(o)
		if err != nil {
			return nil, err
		}
		r[cls.OBinding] = c
	}
	if cls.OAlias != "" {
		// Extract the object type.
		c, err := objectToCell(o)
		if err != nil {
			return nil, err
		}
		r[cls.OAlias] = c
	}
	if cls.OTypeAlias != "" {
		n, err := o.Node()
		if err != nil {
			return nil, err
		}
		r[cls.OTypeAlias] = &table.Cell{S: n.Type().String()}
	}
	if cls.OIDAlias != "" {
		n, err := o.Node()
		if err == nil {
			r[cls.OIDAlias] = &table.Cell{S: n.ID().String()}
		} else {
			p, err := o.Predicate()
			if err != nil {
				return nil, err
			}
			r[cls.OIDAlias] = &table.Cell{S: string(p.ID())}
		}
	}
	if cls.OAnchorBinding != "" {
		p, err := o.Predicate()
		if err != nil {
			return nil, err
		}
		ts, err := p.TimeAnchor()
		if err != nil {
			return nil, err
		}
		r[cls.OAnchorBinding] = &table.Cell{T: ts}
	}
	if cls.OAnchorAlias != "" {
		p, err := o.Predicate()
//.........这里部分代码省略.........

开发者ID:rossdakin，项目名称:badwolf，代码行数:101，代码来源:data_access.go

注：本文中的github.com/google/badwolf/triple.Triple类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。