OGraphMLReader (OrientDB 2.2.1-SNAPSHOT API)

java.lang.Object
- com.orientechnologies.orient.graph.graphml.OGraphMLReader

```
public class OGraphMLReader
extends Object
```
GraphMLReader writes the data from a GraphML stream to a graph. Derived from Blueprints GraphMLReader. Supports also vertex labels.

Author:

Luca Garulli (l.garulli(at)orientechnologies.com), Marko A. Rodriguez (http://markorodriguez.com), Alex Averbuch (alex.averbuch-at-gmail.com), Joshua Shinavier (http://fortytwo.net)

Constructor Summary

Constructors
Constructor and Description

OGraphMLReader(OrientBaseGraph graph)

Constructors
Constructor and Description
`OGraphMLReader(OrientBaseGraph graph)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`OGraphMLReader`	`defineEdgeAttributeStrategy(String iAttributeName, OGraphMLImportStrategy iStrategy)` Define custom strategy to use for edge attribute.
`OGraphMLReader`	`defineVertexAttributeStrategy(String iAttributeName, OGraphMLImportStrategy iStrategy)` Define custom strategy to use for vertex attribute.
`int`	`getBatchSize()`
`int`	`getVertexLabelIndex()`
`void`	`inputGraph(com.tinkerpop.blueprints.Graph inputGraph, InputStream graphMLInputStream)` Input the GraphML stream data into the graph.
`OGraphMLReader`	`inputGraph(com.tinkerpop.blueprints.Graph inputGraph, InputStream graphMLInputStream, int bufferSize, String vertexIdKey, String edgeIdKey, String edgeLabelKey)` Input the GraphML stream data into the graph.
`void`	`inputGraph(com.tinkerpop.blueprints.Graph inputGraph, String filename)` Input the GraphML stream data into the graph.
`OGraphMLReader`	`inputGraph(com.tinkerpop.blueprints.Graph inputGraph, String filename, int bufferSize, String vertexIdKey, String edgeIdKey, String edgeLabelKey)` Input the GraphML stream data into the graph.
`OGraphMLReader`	`inputGraph(InputStream graphMLInputStream)` Input the GraphML stream data into the graph.
`OGraphMLReader`	`inputGraph(InputStream graphMLInputStream, int bufferSize)` Input the GraphML stream data into the graph.
`OGraphMLReader`	`inputGraph(String filename)` Input the GraphML stream data into the graph.
`OGraphMLReader`	`inputGraph(String filename, int bufferSize)` Input the GraphML stream data into the graph.
`boolean`	`isStoreVertexIds()`
`protected void`	`mapId(Map<String,ORID> vertexMappedIdMap, String vertexId, ORID rid)`
`void`	`setBatchSize(int batchSize)`
`void`	`setEdgeIdKey(String edgeIdKey)`
`void`	`setEdgeLabelKey(String edgeLabelKey)`
`OGraphMLReader`	`setOptions(Map<String,List<String>> opts)`
`void`	`setStoreVertexIds(boolean storeVertexIds)`
`void`	`setVertexIdKey(String vertexIdKey)`
`void`	`setVertexLabelIndex(int vertexLabelIndex)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - OGraphMLReader
```
public OGraphMLReader(OrientBaseGraph graph)
```
    Parameters:
    
    graph - the graph to populate with the GraphML data
- Method Detail
  - defineVertexAttributeStrategy
```
public OGraphMLReader defineVertexAttributeStrategy(String iAttributeName,
                                                    OGraphMLImportStrategy iStrategy)
```
    Define custom strategy to use for vertex attribute.
    
    Parameters:
    
    iAttributeName - attribute name
    
    iStrategy - strategy implementation
  - defineEdgeAttributeStrategy
```
public OGraphMLReader defineEdgeAttributeStrategy(String iAttributeName,
                                                  OGraphMLImportStrategy iStrategy)
```
    Define custom strategy to use for edge attribute.
    
    Parameters:
    
    iAttributeName - attribute name
    
    iStrategy - strategy implementation
  - inputGraph
```
public void inputGraph(com.tinkerpop.blueprints.Graph inputGraph,
                       InputStream graphMLInputStream)
                throws IOException
```
    Input the GraphML stream data into the graph. In practice, usually the provided graph is empty.
    
    Parameters:
    
    inputGraph - the graph to populate with the GraphML data
    
    graphMLInputStream - an InputStream of GraphML data
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - inputGraph
```
public void inputGraph(com.tinkerpop.blueprints.Graph inputGraph,
                       String filename)
                throws IOException
```
    Input the GraphML stream data into the graph. In practice, usually the provided graph is empty.
    
    Parameters:
    
    inputGraph - the graph to populate with the GraphML data
    
    filename - name of a file containing GraphML data
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - inputGraph
```
public OGraphMLReader inputGraph(com.tinkerpop.blueprints.Graph inputGraph,
                                 String filename,
                                 int bufferSize,
                                 String vertexIdKey,
                                 String edgeIdKey,
                                 String edgeLabelKey)
                          throws IOException
```
    Input the GraphML stream data into the graph. More control over how data is streamed is provided by this method.
    
    Parameters:
    
    inputGraph - the graph to populate with the GraphML data
    
    filename - name of a file containing GraphML data
    
    bufferSize - the amount of elements to hold in memory before committing a transactions (only valid for TransactionalGraphs)
    
    vertexIdKey - if the id of a vertex is a <data/> property, fetch it from the data property.
    
    edgeIdKey - if the id of an edge is a <data/> property, fetch it from the data property.
    
    edgeLabelKey - if the label of an edge is a <data/> property, fetch it from the data property.
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - inputGraph
```
public OGraphMLReader inputGraph(com.tinkerpop.blueprints.Graph inputGraph,
                                 InputStream graphMLInputStream,
                                 int bufferSize,
                                 String vertexIdKey,
                                 String edgeIdKey,
                                 String edgeLabelKey)
                          throws IOException
```
    Input the GraphML stream data into the graph. More control over how data is streamed is provided by this method.
    
    Parameters:
    
    inputGraph - the graph to populate with the GraphML data
    
    graphMLInputStream - an InputStream of GraphML data
    
    bufferSize - the amount of elements to hold in memory before committing a transactions (only valid for TransactionalGraphs)
    
    vertexIdKey - if the id of a vertex is a <data/> property, fetch it from the data property.
    
    edgeIdKey - if the id of an edge is a <data/> property, fetch it from the data property.
    
    edgeLabelKey - if the label of an edge is a <data/> property, fetch it from the data property.
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - getVertexLabelIndex
```
public int getVertexLabelIndex()
```
  - setVertexLabelIndex
```
public void setVertexLabelIndex(int vertexLabelIndex)
```
  - setVertexIdKey
```
public void setVertexIdKey(String vertexIdKey)
```
    Parameters:
    
    vertexIdKey - if the id of a vertex is a <data/> property, fetch it from the data property.
  - setEdgeIdKey
```
public void setEdgeIdKey(String edgeIdKey)
```
    Parameters:
    
    edgeIdKey - if the id of an edge is a <data/> property, fetch it from the data property.
  - setEdgeLabelKey
```
public void setEdgeLabelKey(String edgeLabelKey)
```
    Parameters:
    
    edgeLabelKey - if the label of an edge is a <data/> property, fetch it from the data property.
  - inputGraph
```
public OGraphMLReader inputGraph(InputStream graphMLInputStream)
                          throws IOException
```
    Input the GraphML stream data into the graph. In practice, usually the provided graph is empty.
    
    Parameters:
    
    graphMLInputStream - an InputStream of GraphML data
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - inputGraph
```
public OGraphMLReader inputGraph(String filename)
                          throws IOException
```
    Input the GraphML stream data into the graph. In practice, usually the provided graph is empty.
    
    Parameters:
    
    filename - name of a file containing GraphML data
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - inputGraph
```
public OGraphMLReader inputGraph(InputStream graphMLInputStream,
                                 int bufferSize)
                          throws IOException
```
    Input the GraphML stream data into the graph. In practice, usually the provided graph is empty.
    
    Parameters:
    
    graphMLInputStream - an InputStream of GraphML data
    
    bufferSize - the amount of elements to hold in memory before committing a transactions (only valid for TransactionalGraphs)
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - inputGraph
```
public OGraphMLReader inputGraph(String filename,
                                 int bufferSize)
                          throws IOException
```
    Input the GraphML stream data into the graph. In practice, usually the provided graph is empty.
    
    Parameters:
    
    filename - name of a file containing GraphML data
    
    bufferSize - the amount of elements to hold in memory before committing a transactions (only valid for TransactionalGraphs)
    
    Throws:
    
    IOException - thrown when the GraphML data is not correctly formatted
  - isStoreVertexIds
```
public boolean isStoreVertexIds()
```
  - setStoreVertexIds
```
public void setStoreVertexIds(boolean storeVertexIds)
```
  - setOptions
```
public OGraphMLReader setOptions(Map<String,List<String>> opts)
```
  - getBatchSize
```
public int getBatchSize()
```
  - setBatchSize
```
public void setBatchSize(int batchSize)
```
  - mapId
```
protected void mapId(Map<String,ORID> vertexMappedIdMap,
                     String vertexId,
                     ORID rid)
```

Class OGraphMLReader

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

OGraphMLReader

Method Detail

defineVertexAttributeStrategy

defineEdgeAttributeStrategy

inputGraph

inputGraph

inputGraph

inputGraph

getVertexLabelIndex

setVertexLabelIndex

setVertexIdKey

setEdgeIdKey

setEdgeLabelKey

inputGraph

inputGraph

inputGraph

inputGraph

isStoreVertexIds

setStoreVertexIds

setOptions

getBatchSize

setBatchSize

mapId