Uses of Class
org.hypergraphdb.HGQuery

Packages that use HGQuery

Package	Description
org.hypergraphdb	Welcome to HyperGraphDB
org.hypergraphdb.query
org.hypergraphdb.query.cond2qry
org.hypergraphdb.query.impl
org.hypergraphdb.util

Uses of HGQuery in org.hypergraphdb

Methods in org.hypergraphdb that return HGQuery

Modifier and Type	Method and Description
HGQuery<SearchResult>	HGQuery.compile(HGQueryCondition condition) Compile the passed in condition as this query object and return this.
<T> HGQuery<SearchResult>	HGQuery.initialVar(String name, T value)
static <SearchResult> HGQuery<SearchResult>	HGQuery.make(Class<SearchResult> type, HyperGraph graph) Create a new query with the given result type and bound to the given HyperGraph instance.
static <T> HGQuery<T>	HGQuery.hg.make(Class<T> type, HyperGraph graph)
static <SearchResult> HGQuery<SearchResult>	HGQuery.make(HyperGraph graph, HGQueryCondition condition) Create a new query returning all atoms matching the given HGQueryCondition.
static <ResultType> HGQuery<ResultType>	HGQuery.NOP() A query that return the empty result set.
<T> HGQuery<SearchResult>	HGQuery.var(String name, T value) Modify the thread-local copy of a given variable.

Methods in org.hypergraphdb with parameters of type HGQuery

Modifier and Type	Method and Description
static long	HGQuery.hg.count(HGQuery<?> query) Count the result set from executing the given query.
static <T> List<T>	HGQuery.hg.findAll(HGQuery<T> query) Execute the given query, put all the elements from the result set in a List and return that List
static <T> List<T>	HGQuery.hg.getAll(HGQuery<HGHandle> query) Execute the given query, put all atom instances from the result set into a java.util.List.

Uses of HGQuery in org.hypergraphdb.query

Subclasses of HGQuery in org.hypergraphdb.query

Modifier and Type	Class and Description
class	AnalyzedQuery<SearchResult> A query object that holds information collected during the compilation process.

Methods in org.hypergraphdb.query that return HGQuery

Modifier and Type	Method and Description
static <T> HGQuery<T>	QueryCompile.translate(HyperGraph graph, HGQueryCondition condition)

Methods in org.hypergraphdb.query with parameters of type HGQuery

Modifier and Type	Method and Description
<R> void	AnalyzedQuery.translated(HGQueryCondition source, HGQuery<R> destination, QueryMetaData metadata)

Uses of HGQuery in org.hypergraphdb.query.cond2qry

Subclasses of HGQuery in org.hypergraphdb.query.cond2qry

Modifier and Type	Class and Description
class	ExpressionBasedQuery<ResultType>

Methods in org.hypergraphdb.query.cond2qry that return HGQuery

Modifier and Type	Method and Description
HGQuery<ResultType>	ExpressionBasedQuery.compile(HGQueryCondition condition)
<ResultType> HGQuery<ResultType>	SimpleQueryCompiler.compile(HyperGraph graph, HGQueryCondition condition)
<T> HGQuery<T>	QueryCompiler.compile(HyperGraph graph, HGQueryCondition condition)
HGQuery<ResultType>	ExpressionBasedQuery.getCompiledQuery()
HGQuery<T>	ConditionToQuery.getQuery(HyperGraph graph, HGQueryCondition condition)
HGQuery<T>	OrToParellelQuery.getQuery(HyperGraph graph, HGQueryCondition condition)
HGQuery<HGHandle>	IncidentToQuery.getQuery(HyperGraph graph, HGQueryCondition c)
HGQuery<?>	LinkToQuery.getQuery(HyperGraph graph, HGQueryCondition c)
HGQuery<ResultType>	AndToQuery.getQuery(HyperGraph graph, HGQueryCondition condition)
HGQuery<?>	TypedValueToQuery.getQuery(HyperGraph graph, HGQueryCondition c)
HGQuery<T>	OrToQuery.getQuery(HyperGraph graph, HGQueryCondition c)
HGQuery<?>	PositionedIncidentToQuery.getQuery(HyperGraph hg, HGQueryCondition c)

Uses of HGQuery in org.hypergraphdb.query.impl

Subclasses of HGQuery in org.hypergraphdb.query.impl

Modifier and Type	Class and Description
class	DefaultKeyBasedQuery<Key,Value>
class	IndexBasedQuery<T> A simple query that operates on a single index.
class	IndexScanQuery<Key,Value> This queries simply scans all elements in a given index.
class	IntersectionQuery<T> An IntersectionQuery combines the results of two underlying queries and produces a result set containing only elements that appear in both of the input result sets.
class	KeyBasedQuery<Key,Value> A KeyBasedQuery is a HGQuery that produces a result based on a single key value.
class	PipeQuery<Key,Value> A PipeQuery pipes the output of one query as the input of another.
class	PredicateBasedFilter<T> A HGQuery whose result is constructed by filtering the result set of another HGQuery according to a HGQueryCondition.
class	PredicateBasedRAFilter<T> A HGQuery whose result is constructed by filtering the result set of another HGQuery according to a HGQueryCondition.
class	ResultMapQuery A HGQuery that transforms the result of an underlying query by applying a provided mapping.
class	SearchableBasedQuery<Key,Value> A simple query that operates on a single HGSearchable entity, usually a HGIndex.
class	TraversalBasedQuery
class	UnionQuery<T> An UnionQuery combines the results of two underlying queries and produces a result set containing elements that appear in either of the input result sets.

Methods in org.hypergraphdb.query.impl that return HGQuery

Modifier and Type	Method and Description
HGQuery<T>	IntersectionQuery.getLeft()
HGQuery<T>	PredicateBasedFilter.getQuery()
HGQuery<T>	IntersectionQuery.getRight()

Methods in org.hypergraphdb.query.impl that return types with arguments of type HGQuery

Modifier and Type	Method and Description
Iterator<HGQuery>	PipeQuery.iterator()
Iterator<HGQuery>	ResultMapQuery.iterator()
Iterator<HGQuery<T>>	UnionQuery.iterator()
Iterator<HGQuery<T>>	PredicateBasedFilter.iterator()
Iterator<HGQuery<T>>	IntersectionQuery.iterator()
Iterator<HGQuery<T>>	PredicateBasedRAFilter.iterator()

Methods in org.hypergraphdb.query.impl with parameters of type HGQuery

Modifier and Type	Method and Description
void	IntersectionQuery.setLeft(HGQuery<T> left)
void	IntersectionQuery.setRight(HGQuery<T> right)

Constructors in org.hypergraphdb.query.impl with parameters of type HGQuery

Constructor and Description
DelayedSetLoadPredicate(HGQuery<HGHandle> query)
IntersectionQuery(HGQuery<T> left, HGQuery<T> right, RSCombiner<T> combiner) Construct an intersection of two queries.
IntersectionQuery(HGQuery<T> left, HGQuery<T> right, RSCombiner<T> combiner) Construct an intersection of two queries.
PipeQuery(HGQuery<Key> in, KeyBasedQuery<Key,Value> out)
PredicateBasedFilter(HyperGraph graph, HGQuery<T> query, HGAtomPredicate atomPredicate) Construct a PredicateBasedFilter, filtering the result set of a given query based on a HGQueryCondition.
PredicateBasedFilter(HyperGraph graph, HGQuery<T> query, Mapping<T,Boolean> predicate)
PredicateBasedRAFilter(HyperGraph graph, HGQuery<T> query, HGAtomPredicate atomPredicate) Construct a PredicateBasedFilter, filtering the result set of a given query based on a HGQueryCondition.
PredicateBasedRAFilter(HyperGraph graph, HGQuery<T> query, Mapping<T,Boolean> predicate)
RABasedPredicate(HGQuery query)
ResultMapQuery(HGQuery query, Mapping mapping) Create a query that transforms the output of a given query by the specified mapping.
UnionQuery(HGQuery<T> left, HGQuery<T> right) Construct a union of two queries.
UnionQuery(HGQuery<T> left, HGQuery<T> right) Construct a union of two queries.

Uses of HGQuery in org.hypergraphdb.util

Methods in org.hypergraphdb.util with parameters of type HGQuery

Modifier and Type	Method and Description
static <T> long	HGUtils.queryBatchProcess(HGQuery<T> query, Mapping<T,Boolean> F, int batchSize, T startAfter, long first) Process a potentially large query result in batches where each batch is a encapsulated in a single transaction.