Package org.apache.directmemory.memory.buffer

Examples of org.apache.directmemory.memory.buffer.MemoryBuffer.capacity()


        for ( int i = 0; i < 1000; i++ )
        {
            MemoryBuffer bf1 = allocator.allocate( 250 );
            Assert.assertEquals( 256, bf1.maxCapacity() );
            Assert.assertEquals( 250, bf1.capacity() );

            allocator.free( bf1 );
        }

        MemoryBuffer bf2 = allocator.allocate( 1000 );
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        for ( int i = 0; i < 3; i++ )
        {
            MemoryBuffer bf3 = allocator.allocate( 250 );
            Assert.assertEquals( 256, bf3.maxCapacity() );
            Assert.assertEquals( 250, bf3.capacity() );

        }

        MemoryBuffer bf4 = allocator.allocate( 238 );
        Assert.assertNull( bf4 );
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        assertNotNull( p );
        assertNotNull( b );

        // assertTrue( b.isDirect() );
        assertEquals( 0, b.readerIndex() );
        assertEquals( size, b.capacity() );

        byte[] check = MemoryManager.retrieve( p );

        assertNotNull( check );
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        Allocator allocator = new MergingByteBufferAllocator( 0, 5000 );

        MemoryBuffer bf1 = allocator.allocate( 250 );
        Assert.assertEquals( 250, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 251, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );
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        Assert.assertEquals( 250, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 251, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );

        MemoryBuffer bf3 = allocator.allocate( 200 );
        Assert.assertEquals( 200, bf3.maxCapacity() );
        Assert.assertEquals( 200, bf3.capacity() );
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        Assert.assertEquals( 251, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );

        MemoryBuffer bf3 = allocator.allocate( 200 );
        Assert.assertEquals( 200, bf3.maxCapacity() );
        Assert.assertEquals( 200, bf3.capacity() );

        MemoryBuffer bf4 = allocator.allocate( 2000 );
        Assert.assertEquals( 2000, bf4.maxCapacity() );
        Assert.assertEquals( 2000, bf4.capacity() );
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        Assert.assertEquals( 200, bf3.maxCapacity() );
        Assert.assertEquals( 200, bf3.capacity() );

        MemoryBuffer bf4 = allocator.allocate( 2000 );
        Assert.assertEquals( 2000, bf4.maxCapacity() );
        Assert.assertEquals( 2000, bf4.capacity() );

        MemoryBuffer bf5 = allocator.allocate( 2001 );
        Assert.assertEquals( 2001, bf5.maxCapacity() );
        Assert.assertEquals( 2001, bf5.capacity() );
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        Assert.assertEquals( 2000, bf4.maxCapacity() );
        Assert.assertEquals( 2000, bf4.capacity() );

        MemoryBuffer bf5 = allocator.allocate( 2001 );
        Assert.assertEquals( 2001, bf5.maxCapacity() );
        Assert.assertEquals( 2001, bf5.capacity() );

        MemoryBuffer bf6 = allocator.allocate( 298 );
        Assert.assertEquals( 298, bf6.maxCapacity() );
        Assert.assertEquals( 298, bf6.capacity() );
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        Assert.assertEquals( 2001, bf5.maxCapacity() );
        Assert.assertEquals( 2001, bf5.capacity() );

        MemoryBuffer bf6 = allocator.allocate( 298 );
        Assert.assertEquals( 298, bf6.maxCapacity() );
        Assert.assertEquals( 298, bf6.capacity() );

        MemoryBuffer bf7 = allocator.allocate( 128 );
        Assert.assertNull( bf7 );

        allocator.close();
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        Allocator allocator = new MergingByteBufferAllocator( 0, 1000 );

        MemoryBuffer bf1 = allocator.allocate( 250 );
        Assert.assertEquals( 250, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 251, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );
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