com.j_spaces.jdbc.builder

Class UnionTemplatePacket

java.lang.Object

com.gigaspaces.internal.serialization.AbstractExternalizable

com.gigaspaces.internal.transport.AbstractEntryPacket

com.gigaspaces.internal.transport.EntryPacket

com.j_spaces.core.ExternalEntryPacket

com.j_spaces.core.ExternalTemplatePacket

com.j_spaces.jdbc.builder.QueryTemplatePacket

com.j_spaces.jdbc.builder.UnionTemplatePacket

All Implemented Interfaces:

RawEntry, ISwapExternalizable, IEntryPacket, ITemplatePacket, ITransportPacket, Textualizable, Externalizable, Serializable, Cloneable

public class UnionTemplatePacket
extends QueryTemplatePacket

Represents query that is translated to several template packets The result is the union of all results

Since:

7.0

Author:

anna

See Also:

Serialized Form

Field Summary

Fields inherited from class com.j_spaces.jdbc.builder.QueryTemplatePacket

_aggregationSet, _allIndexValuesQuery, _dummyNullIndexScanner, _preparedForSpace

Fields inherited from class com.j_spaces.core.ExternalTemplatePacket

_extendedMatchCodes, _rangeValues, _rangeValuesInclusion

Fields inherited from class com.j_spaces.core.ExternalEntryPacket

_implClassName

Fields inherited from class com.gigaspaces.internal.transport.EntryPacket

_returnOnlyUIDs, _typeName

Fields inherited from class com.gigaspaces.internal.transport.AbstractEntryPacket

_entryType, _entryTypeCode, _typeDesc, _typeDescChecksum

Constructor Summary

Constructors

Constructor and Description
UnionTemplatePacket()
UnionTemplatePacket(QueryTableData table, QueryResultTypeInternal queryResultType)

Method Summary

Modifier and Type	Method and Description
void	add(QueryTemplatePacket packet)
QueryTemplatePacket	and(QueryTemplatePacket template) Merge given templates into one template.
QueryTemplatePacket	and(UnionTemplatePacket template) Merge given templates into one template.
QueryTemplatePacket	buildAndPacket(QueryTemplatePacket packet)
QueryTemplatePacket	buildOrPacket(QueryTemplatePacket packet)
List<QueryTemplatePacket>	getPackets()
boolean	isComplex() Method to indicate whether this query is complex - false only if the template can be translated to a space query without post processing some space operations don't support complex queries
protected boolean	matches(IEntryPacket entryPacket)
boolean	matches(JoinedEntry joinedEntry)
void	prepareForSpace(ITypeDesc typeDesc) Convert the ranges to a single space template
void	setPackets(List<QueryTemplatePacket> packets)
QueryTemplatePacket	union(QueryTemplatePacket packet)
QueryTemplatePacket	union(UnionTemplatePacket composite)

Methods inherited from class com.j_spaces.jdbc.builder.QueryTemplatePacket

getAggregationSet, getMultipleUids, getProjectionTemplate, getQueryResultType, getRanges, getRoutingFieldValue, intersectRanges, intersectUids, isAllIndexValuesSqlQuery, isAlwaysEmpty, isTransient, prepareForUnion, read, read, readExternal, readFromSwap, readMultiple, setAggregationSet, setAlwaysEmpty, setEntryType, setExtendedMatchCode, setMultipleUids, setProjectionTemplate, setQueryResultType, setRangeValue, setRangeValueInclusion, setRouting, take, unionUids, writeExternal, writeToSwap

Methods inherited from class com.j_spaces.core.ExternalTemplatePacket

clone, getExtendedMatchCodes, getRangeValues, getRangeValuesInclusion, isIdQuery, isIdsQuery, isTemplateQuery, supportExtendedMatching, validate

Methods inherited from class com.j_spaces.core.ExternalEntryPacket

getExternalEntryImplClassName, getPacketType, toObject

Methods inherited from class com.gigaspaces.internal.transport.EntryPacket

getCustomQuery, getDynamicProperties, getFieldValue, getFieldValues, getMultipleUIDs, getTTL, getTypeName, getUID, getVersion, hasFixedPropertiesArray, isFifo, isNoWriteLease, isReturnOnlyUids, setCustomQuery, setDynamicProperties, setFieldsValues, setFieldValue, setMultipleUIDs, setReturnOnlyUIDs, setTTL, setUID, setVersion

Methods inherited from class com.gigaspaces.internal.transport.AbstractEntryPacket

equals, getCodebase, getEntryType, getID, getOperationID, getPreviousVersion, getPropertyValue, getTypeDescChecksum, getTypeDescriptor, hashCode, hasPreviousVersion, isExternalizableEntryPacket, isSerializeTypeDesc, readExternalImpl, setOperationID, setPreviousVersion, setPropertyValue, setSerializeTypeDesc, setTypeDesc, supportsTypeDescChecksum, toObject, toObject, toObject, toString, toText, validateStorageType, writeExternalImpl

Methods inherited from class com.gigaspaces.internal.serialization.AbstractExternalizable

readExternal, writeExternal

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.gigaspaces.internal.transport.ITemplatePacket

isReturnOnlyUids, setDynamicProperties, setReturnOnlyUIDs

Methods inherited from interface com.gigaspaces.internal.transport.IEntryPacket

getID, getPreviousVersion, getTTL, hasFixedPropertiesArray, hasPreviousVersion, isExternalizableEntryPacket, setCustomQuery, setPreviousVersion, setTTL, setUID

Methods inherited from interface com.gigaspaces.internal.transport.ITransportPacket

getCodebase, getCustomQuery, getDynamicProperties, getEntryType, getExternalEntryImplClassName, getFieldValue, getFieldValues, getMultipleUIDs, getOperationID, getPacketType, getPropertyValue, getTypeDescChecksum, getTypeDescriptor, getTypeName, getUID, getVersion, isFifo, isNoWriteLease, isSerializeTypeDesc, setFieldsValues, setFieldValue, setMultipleUIDs, setOperationID, setPropertyValue, setSerializeTypeDesc, setTypeDesc, setVersion, supportsTypeDescChecksum, toObject, toObject, toObject, toObject

Methods inherited from interface java.io.Externalizable

readExternal, writeExternal

Constructor Detail

UnionTemplatePacket

public UnionTemplatePacket()

UnionTemplatePacket

public UnionTemplatePacket(QueryTableData table,
                           QueryResultTypeInternal queryResultType)

Parameters:

table -

Method Detail

getPackets

public List<QueryTemplatePacket> getPackets()

Returns:

packets list

setPackets

public void setPackets(List<QueryTemplatePacket> packets)

Parameters:

packets - the packets to set

add

public void add(QueryTemplatePacket packet)

buildOrPacket

public QueryTemplatePacket buildOrPacket(QueryTemplatePacket packet)

Overrides:

buildOrPacket in class QueryTemplatePacket

union

public QueryTemplatePacket union(QueryTemplatePacket packet)

Overrides:

union in class QueryTemplatePacket

union

public QueryTemplatePacket union(UnionTemplatePacket composite)

Overrides:

union in class QueryTemplatePacket

isComplex

public boolean isComplex()

Description copied from class: QueryTemplatePacket

Method to indicate whether this query is complex - false only if the template can be translated to a space query without post processing some space operations don't support complex queries

Overrides:

isComplex in class QueryTemplatePacket

buildAndPacket

public QueryTemplatePacket buildAndPacket(QueryTemplatePacket packet)

Overrides:

buildAndPacket in class QueryTemplatePacket

and

public QueryTemplatePacket and(QueryTemplatePacket template)

Merge given templates into one template. for example: x=3 and (y=5 or z=8) ==> (x=3 and y=5) or (x=3 and z=8)

Overrides:

and in class QueryTemplatePacket

Returns:

QueryTemplatePacket

and

public QueryTemplatePacket and(UnionTemplatePacket template)

Merge given templates into one template. for example: (w=3 or x=5) and (y=5 or z=8) ==> (w=3 and (y=5 or z=8)) or (x=5 and (y=5 or z=8)) ==> ((w=3 and y=5) or (w=3 and z=8)) or ((x=5 and y=5) or (x=5 or z=8))

Overrides:

and in class QueryTemplatePacket

Returns:

QueryTemplatePacket

prepareForSpace

public void prepareForSpace(ITypeDesc typeDesc)

Description copied from class: QueryTemplatePacket

Convert the ranges to a single space template

Overrides:

prepareForSpace in class QueryTemplatePacket

matches

protected boolean matches(IEntryPacket entryPacket)

Overrides:

matches in class QueryTemplatePacket

matches

public boolean matches(JoinedEntry joinedEntry)

Overrides:

matches in class QueryTemplatePacket