org.elasticsearch.util.yaml.snakeyaml.constructor
Class BaseConstructor

java.lang.Object
  org.elasticsearch.util.yaml.snakeyaml.constructor.BaseConstructor

Direct Known Subclasses:

SafeConstructor

public abstract class BaseConstructor
extends java.lang.Object

See Also:

PyYAML for more information

Field Summary

protected Tag	rootTag
protected java.util.Map<NodeId,Construct>	yamlClassConstructors It maps the node kind to the the Construct implementation.
protected java.util.Map<Tag,Construct>	yamlConstructors It maps the (explicit or implicit) tag to the Construct implementation.
protected java.util.Map<java.lang.String,Construct>	yamlMultiConstructors It maps the (explicit or implicit) tag to the Construct implementation.

Constructor Summary

BaseConstructor()

Method Summary

boolean	checkData() Check if more documents available
protected java.util.Map<java.lang.Object,java.lang.Object>	constructMapping(MappingNode node)
protected void	constructMapping2ndStep(MappingNode node, java.util.Map<java.lang.Object,java.lang.Object> mapping)
protected java.lang.Object	constructObject(YamlNode node) Construct object from the specified Node.
protected java.lang.Object	constructScalar(ScalarNode node)
protected java.util.List<? extends java.lang.Object>	constructSequence(SequenceNode node)
protected void	constructSequenceStep2(SequenceNode node, java.util.List<java.lang.Object> list)
protected java.util.Set<java.lang.Object>	constructSet(MappingNode node)
protected void	constructSet2ndStep(MappingNode node, java.util.Set<java.lang.Object> set)
protected java.util.List<java.lang.Object>	createDefaultList(int initSize)
protected java.util.Map<java.lang.Object,java.lang.Object>	createDefaultMap()
protected java.util.Set<java.lang.Object>	createDefaultSet()
protected Construct	getConstructor(YamlNode node) Get the constructor to construct the Node.
java.lang.Object	getData() Construct and return the next document
java.lang.Object	getSingleData() Ensure that the stream contains a single document and construct it
void	setComposer(Composer composer)

Methods inherited from class java.lang.Object

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

Field Detail

yamlClassConstructors

protected final java.util.Map<NodeId,Construct> yamlClassConstructors

It maps the node kind to the the Construct implementation. When the runtime class is known then the implicit tag is ignored.

yamlConstructors

protected final java.util.Map<Tag,Construct> yamlConstructors

It maps the (explicit or implicit) tag to the Construct implementation. It is used:
1) explicit tag - if present.
2) implicit tag - when the runtime class of the instance is unknown (the node has the Object.class)

yamlMultiConstructors

protected final java.util.Map<java.lang.String,Construct> yamlMultiConstructors

It maps the (explicit or implicit) tag to the Construct implementation. It is used when no exact match found.

rootTag

protected Tag rootTag

Constructor Detail

BaseConstructor

public BaseConstructor()

Method Detail

setComposer

public void setComposer(Composer composer)

checkData

public boolean checkData()

Check if more documents available

Returns:

true when there are more YAML documents in the stream

getData

public java.lang.Object getData()

Construct and return the next document

Returns:

constructed instance

getSingleData

public java.lang.Object getSingleData()

Ensure that the stream contains a single document and construct it

Returns:

constructed instance

Throws:

ComposerException - in case there are more documents in the stream

constructObject

protected java.lang.Object constructObject(YamlNode node)

Construct object from the specified Node. Return existing instance if the node is already constructed.

Parameters:

node - Node to be constructed

Returns:

Java instance

getConstructor

protected Construct getConstructor(YamlNode node)

Get the constructor to construct the Node. For implicit tags if the runtime class is known a dedicated Construct implementation is used. Otherwise the constructor is chosen by the tag.

Parameters:

node - Node to be constructed

Returns:

Construct implementation for the specified node

constructScalar

protected java.lang.Object constructScalar(ScalarNode node)

createDefaultList

protected java.util.List<java.lang.Object> createDefaultList(int initSize)

constructSequence

protected java.util.List<? extends java.lang.Object> constructSequence(SequenceNode node)

constructSequenceStep2

protected void constructSequenceStep2(SequenceNode node,
                                      java.util.List<java.lang.Object> list)

createDefaultMap

protected java.util.Map<java.lang.Object,java.lang.Object> createDefaultMap()

createDefaultSet

protected java.util.Set<java.lang.Object> createDefaultSet()

constructSet

protected java.util.Set<java.lang.Object> constructSet(MappingNode node)

constructMapping

protected java.util.Map<java.lang.Object,java.lang.Object> constructMapping(MappingNode node)

constructMapping2ndStep

protected void constructMapping2ndStep(MappingNode node,
                                       java.util.Map<java.lang.Object,java.lang.Object> mapping)

constructSet2ndStep

protected void constructSet2ndStep(MappingNode node,
                                   java.util.Set<java.lang.Object> set)