el

package
v0.0.0-...-ec16f60 Latest Latest
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 Go to latest Published: Apr 15, 2021 License: Apache-2.0 Imports: 15 Imported by: 21

Documentation

Overview

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2018 StreamSets Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

View Source 
const (
	PARAMETER_PREFIX = "${"
	PARAMETER_SUFFIX = "}"
)
View Source 
const (
	JobElContextVar        = "JOB_EL"
	JobIdContextVar        = "JOB_ID"
	JobNameContextVar      = "JOB_NAME"
	JobUserContextVar      = "JOB_USER"
	JobStartTimeContextVar = "JOB_START_TIME"
)
View Source 
const (
	WRONG_ARGS_MESSAGE          = "Wrong number of arguments '%d' to function '%s', Expected : '%d'"
	CAST_TO_FLOAT_ERROR_MESSAGE = "Cannot convert argument idx: '%d' with value '%v' and type '%v' to float64 for operation '%s'"
	MATH_PREFIX                 = "math"
	ABS                         = "abs"
	CEIL                        = "ceil"
	FLOOR                       = "floor"
	MAX                         = "max"
	MIN                         = "min"
)
View Source 
const (
	PipelineElContextVar        = "PIPELINE_EL"
	PipelineIdContextVar        = "PIPELINE_ID"
	PipelineTitleContextVar     = "PIPELINE_TITLE"
	PipelineUserContextVar      = "PIPELINE_USER"
	PipelineStartTimeContextVar = "PIPELINE_START_TIME"
	UndefinedValue              = "UNDEFINED"
)
View Source 
const (
	NAMESPACE_FN_SEPARATOR = ":"
)
View Source 
const (
	RecordContextVar = "record"
)

Variables

This section is empty.

Functions

func Evaluate 

func Evaluate(
	value string,
	configName string,
	parameters map[string]interface{},
	elContext context.Context,
) (interface{}, error)

func IsElString 

func IsElString(configValue string) bool

Types

type Definitions 

type Definitions interface {
	GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction
}

type Evaluator 

type Evaluator struct {
	// contains filtered or unexported fields
}

func NewEvaluator 

func NewEvaluator(
	configName string,
	parameters map[string]interface{},
	definitionsList []Definitions,
) (*Evaluator, error)

func (*Evaluator) Evaluate 

func (elEvaluator *Evaluator) Evaluate(expression string) (interface{}, error)

type JobEL 

type JobEL struct {
	Context context.Context
}

func (*JobEL) GetELFunctionDefinitions 

func (j *JobEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*JobEL) GetId 

func (j *JobEL) GetId(args ...interface{}) (interface{}, error)

func (*JobEL) GetName 

func (j *JobEL) GetName(args ...interface{}) (interface{}, error)

func (*JobEL) GetStartTime 

func (j *JobEL) GetStartTime(args ...interface{}) (interface{}, error)

func (*JobEL) GetUser 

func (j *JobEL) GetUser(args ...interface{}) (interface{}, error)

type MapListEL 

type MapListEL struct {
}

func (*MapListEL) EmptyList 

func (mapListEL *MapListEL) EmptyList(args ...interface{}) (interface{}, error)

func (*MapListEL) EmptyMap 

func (mapListEL *MapListEL) EmptyMap(args ...interface{}) (interface{}, error)

func (*MapListEL) GetELFunctionDefinitions 

func (mapListEL *MapListEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*MapListEL) IsEmptyList 

func (mapListEL *MapListEL) IsEmptyList(args ...interface{}) (interface{}, error)

func (*MapListEL) IsEmptyMap 

func (mapListEL *MapListEL) IsEmptyMap(args ...interface{}) (interface{}, error)

func (*MapListEL) Length 

func (mapListEL *MapListEL) Length(args ...interface{}) (interface{}, error)

func (*MapListEL) Size 

func (mapListEL *MapListEL) Size(args ...interface{}) (interface{}, error)

type MathEL 

type MathEL struct {
}

func (*MathEL) Abs 

func (m *MathEL) Abs(args ...interface{}) (interface{}, error)

func (*MathEL) Ceil 

func (m *MathEL) Ceil(args ...interface{}) (interface{}, error)

func (*MathEL) Floor 

func (m *MathEL) Floor(args ...interface{}) (interface{}, error)

func (*MathEL) GetELFunctionDefinitions 

func (m *MathEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*MathEL) Max 

func (m *MathEL) Max(args ...interface{}) (interface{}, error)

func (*MathEL) Min 

func (m *MathEL) Min(args ...interface{}) (interface{}, error)

type PipelineEL 

type PipelineEL struct {
	Context context.Context
}

func (*PipelineEL) GetELFunctionDefinitions 

func (p *PipelineEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*PipelineEL) GetId 

func (p *PipelineEL) GetId(args ...interface{}) (interface{}, error)

func (*PipelineEL) GetStartTime 

func (p *PipelineEL) GetStartTime(args ...interface{}) (interface{}, error)

func (*PipelineEL) GetTitle 

func (p *PipelineEL) GetTitle(args ...interface{}) (interface{}, error)

func (*PipelineEL) GetUser 

func (p *PipelineEL) GetUser(args ...interface{}) (interface{}, error)

type RecordEL 

type RecordEL struct {
	Context context.Context
}

func (*RecordEL) Exists 

func (r *RecordEL) Exists(args ...interface{}) (interface{}, error)

func (*RecordEL) GetAttribute 

func (r *RecordEL) GetAttribute(args ...interface{}) (interface{}, error)

func (*RecordEL) GetAttributeOrDefault 

func (r *RecordEL) GetAttributeOrDefault(args ...interface{}) (interface{}, error)

func (*RecordEL) GetELFunctionDefinitions 

func (r *RecordEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*RecordEL) GetType 

func (r *RecordEL) GetType(args ...interface{}) (interface{}, error)

func (*RecordEL) GetValue 

func (r *RecordEL) GetValue(args ...interface{}) (interface{}, error)

func (*RecordEL) GetValueOrDefault 

func (r *RecordEL) GetValueOrDefault(args ...interface{}) (interface{}, error)

type SdcEL 

type SdcEL struct {
}

func (*SdcEL) GetELFunctionDefinitions 

func (j *SdcEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*SdcEL) GetHostName 

func (j *SdcEL) GetHostName(args ...interface{}) (interface{}, error)

type StringEL 

type StringEL struct {
}

func (*StringEL) Concat 

func (stringEL *StringEL) Concat(args ...interface{}) (interface{}, error)

func (*StringEL) Contains 

func (stringEL *StringEL) Contains(args ...interface{}) (interface{}, error)

func (*StringEL) EndsWith 

func (stringEL *StringEL) EndsWith(args ...interface{}) (interface{}, error)

func (*StringEL) EscapeXML10 

func (stringEL *StringEL) EscapeXML10(args ...interface{}) (interface{}, error)

func (*StringEL) EscapeXML11 

func (stringEL *StringEL) EscapeXML11(args ...interface{}) (interface{}, error)

func (*StringEL) GetELFunctionDefinitions 

func (stringEL *StringEL) GetELFunctionDefinitions() map[string]govaluate.ExpressionFunction

func (*StringEL) IndexOf 

func (stringEL *StringEL) IndexOf(args ...interface{}) (interface{}, error)

func (*StringEL) Length 

func (stringEL *StringEL) Length(args ...interface{}) (interface{}, error)

func (*StringEL) RegExCapture 

func (stringEL *StringEL) RegExCapture(args ...interface{}) (interface{}, error)

func (*StringEL) Replace 

func (stringEL *StringEL) Replace(args ...interface{}) (interface{}, error)

func (*StringEL) ReplaceAll 

func (stringEL *StringEL) ReplaceAll(args ...interface{}) (interface{}, error)

func (*StringEL) Split 

func (stringEL *StringEL) Split(args ...interface{}) (interface{}, error)

func (*StringEL) StartsWith 

func (stringEL *StringEL) StartsWith(args ...interface{}) (interface{}, error)

func (*StringEL) Substring 

func (stringEL *StringEL) Substring(args ...interface{}) (interface{}, error)

func (*StringEL) ToLower 

func (stringEL *StringEL) ToLower(args ...interface{}) (interface{}, error)

func (*StringEL) ToUpper 

func (stringEL *StringEL) ToUpper(args ...interface{}) (interface{}, error)

func (*StringEL) Trim 

func (stringEL *StringEL) Trim(args ...interface{}) (interface{}, error)

func (*StringEL) Truncate 

func (stringEL *StringEL) Truncate(args ...interface{}) (interface{}, error)

func (*StringEL) UnescapeJava 

func (stringEL *StringEL) UnescapeJava(args ...interface{}) (interface{}, error)

func (*StringEL) UnescapeXML 

func (stringEL *StringEL) UnescapeXML(args ...interface{}) (interface{}, error)

func (*StringEL) UrlEncode 

func (stringEL *StringEL) UrlEncode(args ...interface{}) (interface{}, error)

func (*StringEL) Uuid 

func (stringEL *StringEL) Uuid(args ...interface{}) (interface{}, error)

Source Files

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