Package net.corda.v5.ledger.utxo.query
Interface VaultNamedQueryFactory
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public interface VaultNamedQueryFactory
The main interface that needs to be implemented by the named ledger queries. Implementing this interface will define how the named query will be built and stored.
Example usage:
- Kotlin:
class MyVaultNamedQueryFactory : VaultNamedQueryFactory { override fun create(vaultNamedQueryBuilderFactory: VaultNamedQueryBuilderFactory) { vaultNamedQueryBuilderFactory.create("FIND_WITH_CORDA_COLUMNS") .whereJson( "WHERE custom ->> 'TestUtxoState.testField' = :testField " + "AND custom ->> 'Corda.participants' IN :participants " + "AND custom ? :contractStateType " + "AND custom ->> 'Corda.createdTimestamp' > :created_timestamp" ) .filter(MyVaultNamedQueryFilter()) .map(MyVaultNamedQueryTransformer()) .collect(MyVaultNamedQueryCollector()) .register() } }
- Java:
public class MyVaultNamedQueryFactory implements VaultNamedQueryFactory { public void create(@NotNull VaultNamedQueryBuilderFactory vaultNamedQueryBuilderFactory) { vaultNamedQueryBuilderFactory.create("FIND_WITH_CORDA_COLUMNS") .whereJson( "WHERE custom ->> 'TestUtxoState.testField' = :testField " + "AND custom ->> 'Corda.participants' IN :participants " + "AND custom ? :contractStateType " + "AND custom ->> 'Corda.createdTimestamp' > :created_timestamp" ) .filter(new MyVaultNamedQueryFilter()) .map(new MyVaultNamedQueryTransformer()) .collect(new MyVaultNamedQueryCollector()) .register(); } }
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Method Summary
Modifier and Type Method Description abstract void
create(@NotNull() VaultNamedQueryBuilderFactory vaultNamedQueryBuilderFactory)
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Method Detail
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create
abstract void create(@NotNull() VaultNamedQueryBuilderFactory vaultNamedQueryBuilderFactory)
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