Example usage for io.netty.buffer ByteBufAllocator directBuffer

Introduction

In this page you can find the example usage for io.netty.buffer ByteBufAllocator directBuffer.

Prototype

ByteBuf directBuffer();

Source Link

Document

Allocate a direct ByteBuf .

Usage

From source file:am.ik.sendgrid.util.JsonCodec.java

License:Apache License

static <T> ByteBuf encode(ByteBufAllocator allocator, ObjectMapper objectMapper, T source) {
    try {// w  w w. j  a  v  a  2  s  . co  m
        return allocator.directBuffer().writeBytes(objectMapper.writeValueAsBytes(source));
    } catch (JsonProcessingException e) {
        throw Exceptions.propagate(e);
    }
}

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From source file:org.apache.bookkeeper.common.allocator.impl.ByteBufAllocatorBuilderTest.java

License:Apache License

@Test
public void testUnpooled() {
    ByteBufAllocator alloc = ByteBufAllocatorBuilder.create().poolingPolicy(PoolingPolicy.UnpooledHeap).build();

    ByteBuf buf = alloc.buffer();//ww w.  j a va  2s . c  o m
    assertEquals(UnpooledByteBufAllocator.DEFAULT, buf.alloc());
    assertTrue(buf.hasArray());

    ByteBuf buf2 = alloc.directBuffer();
    assertEquals(UnpooledByteBufAllocator.DEFAULT, buf2.alloc());
    assertFalse(buf2.hasArray());
}

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From source file:org.apache.bookkeeper.common.allocator.impl.ByteBufAllocatorBuilderTest.java

License:Apache License

@Test
public void testPooled() {
    PooledByteBufAllocator pooledAlloc = new PooledByteBufAllocator(true);

    ByteBufAllocator alloc = ByteBufAllocatorBuilder.create().poolingPolicy(PoolingPolicy.PooledDirect)
            .pooledAllocator(pooledAlloc).build();

    assertTrue(alloc.isDirectBufferPooled());

    ByteBuf buf1 = alloc.buffer();/* w  ww  .  ja  v a  2  s  . c  o  m*/
    assertEquals(pooledAlloc, buf1.alloc());
    assertFalse(buf1.hasArray());
    buf1.release();

    ByteBuf buf2 = alloc.directBuffer();
    assertEquals(pooledAlloc, buf2.alloc());
    assertFalse(buf2.hasArray());
    buf2.release();

    ByteBuf buf3 = alloc.heapBuffer();
    assertEquals(pooledAlloc, buf3.alloc());
    assertTrue(buf3.hasArray());
    buf3.release();
}

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From source file:org.apache.bookkeeper.common.allocator.impl.ByteBufAllocatorBuilderTest.java

License:Apache License

@Test
public void testPooledWithDefaultAllocator() {
    ByteBufAllocator alloc = ByteBufAllocatorBuilder.create().poolingPolicy(PoolingPolicy.PooledDirect)
            .poolingConcurrency(3).build();

    assertTrue(alloc.isDirectBufferPooled());

    ByteBuf buf1 = alloc.buffer();/*from  www .j a  va 2 s. c  o m*/
    assertEquals(PooledByteBufAllocator.class, buf1.alloc().getClass());
    assertEquals(3, ((PooledByteBufAllocator) buf1.alloc()).metric().numDirectArenas());
    assertFalse(buf1.hasArray());
    buf1.release();

    ByteBuf buf2 = alloc.directBuffer();
    assertFalse(buf2.hasArray());
    buf2.release();

    ByteBuf buf3 = alloc.heapBuffer();
    assertTrue(buf3.hasArray());
    buf3.release();
}

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From source file:org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutput.java

License:Apache License

FanOutOneBlockAsyncDFSOutput(Configuration conf, FSUtils fsUtils, DistributedFileSystem dfs, DFSClient client,
        ClientProtocol namenode, String clientName, String src, long fileId, LocatedBlock locatedBlock,
        CryptoCodec cryptoCodec, EventLoop eventLoop, List<Channel> datanodeList, DataChecksum summer,
        ByteBufAllocator alloc) {
    this.conf = conf;
    this.fsUtils = fsUtils;
    this.dfs = dfs;
    this.client = client;
    this.namenode = namenode;
    this.fileId = fileId;
    this.clientName = clientName;
    this.src = src;
    this.locatedBlock = locatedBlock;
    this.cryptoCodec = cryptoCodec;
    this.eventLoop = eventLoop;
    this.datanodeList = datanodeList;
    this.summer = summer;
    this.alloc = alloc;
    this.buf = alloc.directBuffer();
    this.state = State.STREAMING;
    setupReceiver(conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT));
}

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From source file:org.apache.hadoop.hbase.util.FanOutOneBlockAsyncDFSOutput.java

License:Apache License

FanOutOneBlockAsyncDFSOutput(Configuration conf, FSUtils fsUtils, DistributedFileSystem dfs, DFSClient client,
        ClientProtocol namenode, String clientName, String src, long fileId, LocatedBlock locatedBlock,
        EventLoop eventLoop, List<Channel> datanodeList, DataChecksum summer, ByteBufAllocator alloc) {
    this.conf = conf;
    this.fsUtils = fsUtils;
    this.dfs = dfs;
    this.client = client;
    this.namenode = namenode;
    this.fileId = fileId;
    this.clientName = clientName;
    this.src = src;
    this.locatedBlock = locatedBlock;
    this.eventLoop = eventLoop;
    this.datanodeList = datanodeList;
    this.summer = summer;
    this.alloc = alloc;
    this.buf = alloc.directBuffer();
    this.state = State.STREAMING;
    setupReceiver(conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, HdfsServerConstants.READ_TIMEOUT));
}

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