org.eclipse.smila.connectivity.deltaindexing.jpa.impl
Class DeltaIndexingDao

java.lang.Object
  org.eclipse.smila.connectivity.deltaindexing.jpa.impl.DeltaIndexingDao

All Implemented Interfaces:

java.io.Serializable

public class DeltaIndexingDao
extends java.lang.Object
implements java.io.Serializable

A JPA Entity to store DataSource locked state.

See Also:

Serialized Form

Field Summary

static java.lang.String	NAMED_QUERY_COUNT_ENTRIES Constant for the named query DeltaIndexingDao.countEntries.
static java.lang.String	NAMED_QUERY_COUNT_ENTRIES_BY_SOURCE Constant for the named query DeltaIndexingDao.countEntriesBySource.
static java.lang.String	NAMED_QUERY_DELETE_ALL Constant for the named query DeltaIndexingDao.deleteAll.
static java.lang.String	NAMED_QUERY_DELETE_BY_SOURCE Constant for the named query DeltaIndexingDao.deleteBySource.
static java.lang.String	NAMED_QUERY_FIND_OBSOLETE_IDS_BY_SOURCE Constant for the named query DeltaIndexingDao.findObsoleteIdsBySource.
static java.lang.String	NAMED_QUERY_FIND_SUB_COMPOUNDS Constant for the named query DeltaIndexingDao.findSubCompounds.
static java.lang.String	NAMED_QUERY_PARAM_PARENT_ID_HASH Constant for the entity attribute _parentIdHash.
static java.lang.String	NAMED_QUERY_PARAM_SOURCE Constant for the entity attribute _source.
static java.lang.String	NAMED_QUERY_RESET_FLAGS Constant for the named query DeltaIndexingDao.resetFlags.

Constructor Summary

protected	DeltaIndexingDao() Default Constructor, used by JPA.
	DeltaIndexingDao(Id id, java.lang.String hash, boolean isCompound, boolean visited) Conversion Constructor.

Method Summary

java.lang.String	getDataSourceId() Returns the data source id.
java.lang.String	getHash() Returns the delta indexing hash.
java.lang.String	getIdHash() Returns the id hash value.
java.lang.String	getParentIdHash() Returns the parent id hash value.
boolean	isCompound() Returns if this delta indexing entry is a compound or not.
boolean	isModified() Returns if this delta indexing entry was modified or not.
boolean	isVisited() Returns if this delta indexing entry was visited or not.
void	modifyAndVisit() Sets both the modified and visited flag.
Id	toId() Converts this DeltaIndexingDao into a Id object.
void	visit() Sets the visited flag to true.

Methods inherited from class java.lang.Object

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

Field Detail

NAMED_QUERY_FIND_OBSOLETE_IDS_BY_SOURCE

public static final java.lang.String NAMED_QUERY_FIND_OBSOLETE_IDS_BY_SOURCE

Constant for the named query DeltaIndexingDao.findObsoleteIdsBySource. This query returns all ids of the data source that were not visited (visited=false) and that either don't have a parentId (parentId == null) or have a parent and that parent was not visited or was modified (visited == false || modified == true)

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Constant Field Values

NAMED_QUERY_FIND_SUB_COMPOUNDS

public static final java.lang.String NAMED_QUERY_FIND_SUB_COMPOUNDS

Constant for the named query DeltaIndexingDao.findSubCompounds. It returns all elements of a compound that are compounds themselves.

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Constant Field Values

NAMED_QUERY_DELETE_BY_SOURCE

public static final java.lang.String NAMED_QUERY_DELETE_BY_SOURCE

Constant for the named query DeltaIndexingDao.deleteBySource.

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Constant Field Values

NAMED_QUERY_DELETE_ALL

public static final java.lang.String NAMED_QUERY_DELETE_ALL

Constant for the named query DeltaIndexingDao.deleteAll.

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Constant Field Values

NAMED_QUERY_RESET_FLAGS

public static final java.lang.String NAMED_QUERY_RESET_FLAGS

Constant for the named query DeltaIndexingDao.resetFlags.

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Constant Field Values

NAMED_QUERY_COUNT_ENTRIES

public static final java.lang.String NAMED_QUERY_COUNT_ENTRIES

Constant for the named query DeltaIndexingDao.countEntries.

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Constant Field Values

NAMED_QUERY_COUNT_ENTRIES_BY_SOURCE

public static final java.lang.String NAMED_QUERY_COUNT_ENTRIES_BY_SOURCE

Constant for the named query DeltaIndexingDao.countEntriesBySource.

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Constant Field Values

NAMED_QUERY_PARAM_SOURCE

public static final java.lang.String NAMED_QUERY_PARAM_SOURCE

Constant for the entity attribute _source.

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Constant Field Values

NAMED_QUERY_PARAM_PARENT_ID_HASH

public static final java.lang.String NAMED_QUERY_PARAM_PARENT_ID_HASH

Constant for the entity attribute _parentIdHash.

See Also:

Constant Field Values

Constructor Detail

DeltaIndexingDao

protected DeltaIndexingDao()

Default Constructor, used by JPA.

DeltaIndexingDao

public DeltaIndexingDao(Id id,
                        java.lang.String hash,
                        boolean isCompound,
                        boolean visited)
                 throws java.io.IOException

Conversion Constructor. Converts a id, hash and visited flag into a DeltaIndexingDao.

Parameters:

id - the record id

hash - the delta indexing hash

isCompound - boolean flag if the record is a compound or not

visited - a boolean flag whether this id was already visited or not

Throws:

java.io.IOException - if any error occurs

Method Detail

toId

public Id toId()
        throws java.io.IOException,
               java.lang.ClassNotFoundException

Converts this DeltaIndexingDao into a Id object.

Returns:

a Id object.

Throws:

java.io.IOException - if any exception occurs

java.lang.ClassNotFoundException - if any exception occurs

getIdHash

public java.lang.String getIdHash()

Returns the id hash value.

Returns:

the id hash value

getHash

public java.lang.String getHash()

Returns the delta indexing hash.

Returns:

the delta indexing hash

getDataSourceId

public java.lang.String getDataSourceId()

Returns the data source id.

Returns:

the data source id

isCompound

public boolean isCompound()

Returns if this delta indexing entry is a compound or not.

Returns:

true if the this delta indexing is a compound, false otherwise

getParentIdHash

public java.lang.String getParentIdHash()

Returns the parent id hash value.

Returns:

the parent id hash value

isVisited

public boolean isVisited()

Returns if this delta indexing entry was visited or not.

Returns:

true if this delta indexing entry was visited, false otherwise

isModified

public boolean isModified()

Returns if this delta indexing entry was modified or not.

Returns:

true if this delta indexing entry was modified, false otherwise

visit

public void visit()

Sets the visited flag to true.

modifyAndVisit

public void modifyAndVisit()

Sets both the modified and visited flag.