Package org.apache.flink.api.java.functions

Class SemanticPropUtil

java.lang.Object

org.apache.flink.api.java.functions.SemanticPropUtil

@Internal
public final class SemanticPropUtil
extends Object

Utility class that contains helper methods to work with SemanticProperties.

Method Summary

Modifier and Type	Method	Description
static org.apache.flink.api.common.operators.SingleInputSemanticProperties	addSourceFieldOffset(org.apache.flink.api.common.operators.SingleInputSemanticProperties props, int numInputFields, int offset)	Creates SemanticProperties by adding an offset to each input field index of the given SemanticProperties.
static org.apache.flink.api.common.operators.DualInputSemanticProperties	addSourceFieldOffsets(org.apache.flink.api.common.operators.DualInputSemanticProperties props, int numInputFields1, int numInputFields2, int offset1, int offset2)	Creates SemanticProperties by adding offsets to each input field index of the given SemanticProperties.
static org.apache.flink.api.common.operators.DualInputSemanticProperties	createProjectionPropertiesDual(int[] fields, boolean[] isFromFirst, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2)
static org.apache.flink.api.common.operators.SingleInputSemanticProperties	createProjectionPropertiesSingle(int[] fields, org.apache.flink.api.common.typeutils.CompositeType<?> inType)
static org.apache.flink.api.common.operators.DualInputSemanticProperties	getSemanticPropsDual(Set<Annotation> set, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2, org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)
static void	getSemanticPropsDualFromString(org.apache.flink.api.common.operators.DualInputSemanticProperties result, String[] forwardedFirst, String[] forwardedSecond, String[] nonForwardedFirst, String[] nonForwardedSecond, String[] readFieldsFirst, String[] readFieldsSecond, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2, org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)
static void	getSemanticPropsDualFromString(org.apache.flink.api.common.operators.DualInputSemanticProperties result, String[] forwardedFirst, String[] forwardedSecond, String[] nonForwardedFirst, String[] nonForwardedSecond, String[] readFieldsFirst, String[] readFieldsSecond, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2, org.apache.flink.api.common.typeinfo.TypeInformation<?> outType, boolean skipIncompatibleTypes)
static org.apache.flink.api.common.operators.SingleInputSemanticProperties	getSemanticPropsSingle(Set<Annotation> set, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType, org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)
static void	getSemanticPropsSingleFromString(org.apache.flink.api.common.operators.SingleInputSemanticProperties result, String[] forwarded, String[] nonForwarded, String[] readSet, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType, org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)
static void	getSemanticPropsSingleFromString(org.apache.flink.api.common.operators.SingleInputSemanticProperties result, String[] forwarded, String[] nonForwarded, String[] readSet, org.apache.flink.api.common.typeinfo.TypeInformation<?> inType, org.apache.flink.api.common.typeinfo.TypeInformation<?> outType, boolean skipIncompatibleTypes)

Methods inherited from class java.lang.Object

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

Method Detail

createProjectionPropertiesSingle

public static org.apache.flink.api.common.operators.SingleInputSemanticProperties createProjectionPropertiesSingle(int[] fields,
                                                                                                                   org.apache.flink.api.common.typeutils.CompositeType<?> inType)

createProjectionPropertiesDual

public static org.apache.flink.api.common.operators.DualInputSemanticProperties createProjectionPropertiesDual(int[] fields,
                                                                                                               boolean[] isFromFirst,
                                                                                                               org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1,
                                                                                                               org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2)

addSourceFieldOffset

public static org.apache.flink.api.common.operators.SingleInputSemanticProperties addSourceFieldOffset(org.apache.flink.api.common.operators.SingleInputSemanticProperties props,
                                                                                                       int numInputFields,
                                                                                                       int offset)

Creates SemanticProperties by adding an offset to each input field index of the given SemanticProperties.

Parameters:

props - The SemanticProperties to which the offset is added.

numInputFields - The original number of fields of the input.

offset - The offset that is added to each input field index.

Returns:

New SemanticProperties with added offset.

addSourceFieldOffsets

public static org.apache.flink.api.common.operators.DualInputSemanticProperties addSourceFieldOffsets(org.apache.flink.api.common.operators.DualInputSemanticProperties props,
                                                                                                      int numInputFields1,
                                                                                                      int numInputFields2,
                                                                                                      int offset1,
                                                                                                      int offset2)

Creates SemanticProperties by adding offsets to each input field index of the given SemanticProperties.

Parameters:

props - The SemanticProperties to which the offset is added.

numInputFields1 - The original number of fields of the first input.

numInputFields2 - The original number of fields of the second input.

offset1 - The offset that is added to each input field index of the first input.

offset2 - The offset that is added to each input field index of the second input.

Returns:

New SemanticProperties with added offsets.

getSemanticPropsSingle

public static org.apache.flink.api.common.operators.SingleInputSemanticProperties getSemanticPropsSingle(Set<Annotation> set,
                                                                                                         org.apache.flink.api.common.typeinfo.TypeInformation<?> inType,
                                                                                                         org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)

getSemanticPropsDual

public static org.apache.flink.api.common.operators.DualInputSemanticProperties getSemanticPropsDual(Set<Annotation> set,
                                                                                                     org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1,
                                                                                                     org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2,
                                                                                                     org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)

getSemanticPropsSingleFromString

public static void getSemanticPropsSingleFromString(org.apache.flink.api.common.operators.SingleInputSemanticProperties result,
                                                    String[] forwarded,
                                                    String[] nonForwarded,
                                                    String[] readSet,
                                                    org.apache.flink.api.common.typeinfo.TypeInformation<?> inType,
                                                    org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)

getSemanticPropsSingleFromString

public static void getSemanticPropsSingleFromString(org.apache.flink.api.common.operators.SingleInputSemanticProperties result,
                                                    String[] forwarded,
                                                    String[] nonForwarded,
                                                    String[] readSet,
                                                    org.apache.flink.api.common.typeinfo.TypeInformation<?> inType,
                                                    org.apache.flink.api.common.typeinfo.TypeInformation<?> outType,
                                                    boolean skipIncompatibleTypes)

getSemanticPropsDualFromString

public static void getSemanticPropsDualFromString(org.apache.flink.api.common.operators.DualInputSemanticProperties result,
                                                  String[] forwardedFirst,
                                                  String[] forwardedSecond,
                                                  String[] nonForwardedFirst,
                                                  String[] nonForwardedSecond,
                                                  String[] readFieldsFirst,
                                                  String[] readFieldsSecond,
                                                  org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1,
                                                  org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2,
                                                  org.apache.flink.api.common.typeinfo.TypeInformation<?> outType)

getSemanticPropsDualFromString

public static void getSemanticPropsDualFromString(org.apache.flink.api.common.operators.DualInputSemanticProperties result,
                                                  String[] forwardedFirst,
                                                  String[] forwardedSecond,
                                                  String[] nonForwardedFirst,
                                                  String[] nonForwardedSecond,
                                                  String[] readFieldsFirst,
                                                  String[] readFieldsSecond,
                                                  org.apache.flink.api.common.typeinfo.TypeInformation<?> inType1,
                                                  org.apache.flink.api.common.typeinfo.TypeInformation<?> inType2,
                                                  org.apache.flink.api.common.typeinfo.TypeInformation<?> outType,
                                                  boolean skipIncompatibleTypes)