Class IncrementGenerator
- java.lang.Object
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- org.datanucleus.store.valuegenerator.AbstractGenerator<T>
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- org.datanucleus.store.valuegenerator.AbstractConnectedGenerator<Long>
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- org.datanucleus.store.cassandra.valuegenerator.IncrementGenerator
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- All Implemented Interfaces:
org.datanucleus.store.valuegenerator.ValueGenerator<Long>
public class IncrementGenerator extends org.datanucleus.store.valuegenerator.AbstractConnectedGenerator<Long>
Value generator using a table in the datastore and incrementing a column, keyed by the field name that has the strategy.
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Field Summary
Fields Modifier and Type Field Description protected boolean
repositoryExists
Flag for whether we know that the repository exists.-
Fields inherited from class org.datanucleus.store.valuegenerator.AbstractConnectedGenerator
connectionProvider, properties
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Fields inherited from class org.datanucleus.store.valuegenerator.AbstractGenerator
allocationSize, block, initialValue, name, storeMgr
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Fields inherited from interface org.datanucleus.store.valuegenerator.ValueGenerator
PROPERTY_CATALOG_NAME, PROPERTY_CLASS_NAME, PROPERTY_COLUMN_NAME, PROPERTY_FIELD_NAME, PROPERTY_KEY_CACHE_SIZE, PROPERTY_KEY_DATABASE_CACHE_SIZE, PROPERTY_KEY_INITIAL_VALUE, PROPERTY_KEY_MAX_VALUE, PROPERTY_KEY_MIN_VALUE, PROPERTY_ROOT_CLASS_NAME, PROPERTY_SCHEMA_NAME, PROPERTY_SEQUENCE_NAME, PROPERTY_SEQUENCETABLE_CATALOG, PROPERTY_SEQUENCETABLE_NAME_COLUMN, PROPERTY_SEQUENCETABLE_NEXTVAL_COLUMN, PROPERTY_SEQUENCETABLE_SCHEMA, PROPERTY_SEQUENCETABLE_TABLE, PROPERTY_TABLE_NAME
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Constructor Summary
Constructors Constructor Description IncrementGenerator(org.datanucleus.store.StoreManager storeMgr, String name, Properties props)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected boolean
createRepository()
protected String
getSchemaName()
protected org.datanucleus.store.valuegenerator.ValueGenerationBlock<Long>
reserveBlock(long size)
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Methods inherited from class org.datanucleus.store.valuegenerator.AbstractConnectedGenerator
getConnectionPreference, setConnectionProvider
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Constructor Detail
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IncrementGenerator
public IncrementGenerator(org.datanucleus.store.StoreManager storeMgr, String name, Properties props)
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Method Detail
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reserveBlock
protected org.datanucleus.store.valuegenerator.ValueGenerationBlock<Long> reserveBlock(long size)
- Specified by:
reserveBlock
in classorg.datanucleus.store.valuegenerator.AbstractGenerator<Long>
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getSchemaName
protected String getSchemaName()
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createRepository
protected boolean createRepository()
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