Examples of com.datastax.driver.core.PreparedStatement

com.datastax.driver.core.PreparedStatement
Represents a prepared statement, a query with bound variables that has been prepared (pre-parsed) by the database.
A prepared statement can be executed once concrete values have been provided for the bound variables. A prepared statement and the values for its bound variables constitute a BoundStatement and can be executed (by {@link Session#execute}).
A {@code PreparedStatement} object allows you to define specific defaultsfor the different properties of a {@link Statement} (Consistency level, tracing, ...),in which case those properties will be inherited as default by every BoundedStatement created from the {PreparedStatement}. The default for those {@code PreparedStatement} properties is the same that in {@link Statement} if thePreparedStatement is created by {@link Session#prepare(String)} but will inheritof the properties of the {@link RegularStatement} used for the preparation if{@link Session#prepare(RegularStatement)} is used.

        final PreparedStatement ps = cacheManager.getCacheForSliceSelectAndIterator(session, dynamicPSCache, sliceQueryProperties);
        return buildBSForSliceQuery(sliceQueryProperties, defaultReadConsistencyLevel, ps);
    }


    public BoundStatementWrapper bindForSliceQueryDelete(SliceQueryProperties<?> sliceQueryProperties, ConsistencyLevel defaultWriteConsistencyLevel) {
        final PreparedStatement ps = cacheManager.getCacheForSliceDelete(session, dynamicPSCache, sliceQueryProperties);
        return buildBSForSliceQuery(sliceQueryProperties, defaultWriteConsistencyLevel, ps);
    }

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForFieldSelect(session, cache, context, pm);


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        assertThat(cacheKey.<CompleteBean>getEntityClass()).isSameAs(CompleteBean.class);
        assertThat(cacheKey.getType()).isEqualTo(CacheType.SELECT_FIELD);

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(pm.forCache().extractClusteredFieldsIfNecessary()).thenReturn(Sets.newLinkedHashSet("id", "a", "b"));
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForFieldSelect(session, cache, context, pm);


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        assertThat(cacheKey.getFields()).containsOnly("id", "a", "b");
    }

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(null);
        when(generator.prepareSelectField(session, meta, pm)).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForFieldSelect(session, cache, context, pm);


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        verify(cache).put(cacheKey, ps);
    }

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForEntityInsert(session, cache, context, asList(nameMeta, ageMeta));


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        assertThat(cacheKey.<CompleteBean>getEntityClass()).isSameAs(CompleteBean.class);
        assertThat(cacheKey.getType()).isEqualTo(CacheType.INSERT);

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(null);
        when(generator.prepareInsert(session, meta, pms, noOptions())).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForEntityInsert(session, cache, context, pms);


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        assertThat(cacheKey.<CompleteBean>getEntityClass()).isSameAs(CompleteBean.class);
        assertThat(cacheKey.getType()).isEqualTo(CacheType.INSERT);

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForFieldsUpdate(session, cache, context, asList(nameMeta, ageMeta));


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        assertThat(cacheKey.<CompleteBean>getEntityClass()).isSameAs(CompleteBean.class);
        assertThat(cacheKey.getType()).isEqualTo(CacheType.UPDATE_FIELDS);

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        when(context.<CompleteBean>getEntityClass()).thenReturn(CompleteBean.class);
        when(context.getEntityMeta()).thenReturn(meta);
        when(cache.getIfPresent(cacheKeyCaptor.capture())).thenReturn(null);
        when(generator.prepareUpdateFields(session, meta, pms, noOptions())).thenReturn(ps);


        PreparedStatement actual = manager.getCacheForFieldsUpdate(session, cache, context, pms);


        assertThat(actual).isSameAs(ps);
        StatementCacheKey cacheKey = cacheKeyCaptor.getValue();
        assertThat(cacheKey.<CompleteBean>getEntityClass()).isSameAs(CompleteBean.class);
        assertThat(cacheKey.getType()).isEqualTo(CacheType.UPDATE_FIELDS);

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        when(cache.getIfPresent(cacheKey)).thenReturn(null);
        when(generator.prepareCollectionAndMapUpdate(session, meta, changeSet, noOptions())).thenReturn(ps);


        //When
        final PreparedStatement actual = manager.getCacheForCollectionAndMapOperation(session, cache, context, pm, changeSet);


        //Then
        assertThat(actual).isSameAs(ps);
        verify(cache).put(cacheKey, ps);
    }

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        when(pm.getPropertyName()).thenReturn("property");
        StatementCacheKey cacheKey = new StatementCacheKey(CacheType.ADD_TO_SET, newHashSet("property"), CompleteBean.class, noOptions());
        when(cache.getIfPresent(cacheKey)).thenReturn(ps);


        //When
        final PreparedStatement actual = manager.getCacheForCollectionAndMapOperation(session, cache, context, pm,
                changeSet);


        //Then
        assertThat(actual).isSameAs(ps);
        verify(cache, never()).put(cacheKey, ps);

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