Examples with DataOutputStream com.intellij.util.io.DataOutputStream used on opensource projects

Example 11 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class MapReduceIndex method checkValuesHaveProperEqualsAndHashCode.

public static <Key, Value> void checkValuesHaveProperEqualsAndHashCode(@NotNull Map<Key, Value> data, @NotNull ID<Key, Value> indexId, @NotNull DataExternalizer<Value> valueExternalizer) {
    if (DebugAssertions.DEBUG) {
        for (Map.Entry<Key, Value> e : data.entrySet()) {
            final Value value = e.getValue();
            if (!(Comparing.equal(value, value) && (value == null || value.hashCode() == value.hashCode()))) {
                LOG.error("Index " + indexId + " violates equals / hashCode contract for Value parameter");
            }
            try {
                final BufferExposingByteArrayOutputStream out = new BufferExposingByteArrayOutputStream();
                DataOutputStream outputStream = new DataOutputStream(out);
                valueExternalizer.save(outputStream, value);
                outputStream.close();
                final Value deserializedValue = valueExternalizer.read(new DataInputStream(new UnsyncByteArrayInputStream(out.getInternalBuffer(), 0, out.size())));
                if (!(Comparing.equal(value, deserializedValue) && (value == null || value.hashCode() == deserializedValue.hashCode()))) {
                    LOG.error("Index " + indexId + " deserialization violates equals / hashCode contract for Value parameter");
                }
            } catch (IOException ex) {
                LOG.error(ex);
            }
        }
    }
}

Example 12 with DataOutputStream

use of com.intellij.util.io.DataOutputStream in project intellij-community by JetBrains.

the class SmallMapSerializer method force.

@Override
public void force() {
    if (!myDirty)
        return;
    try {
        final BufferExposingByteArrayOutputStream bos = new BufferExposingByteArrayOutputStream();
        final DataOutput out = new DataOutputStream(bos);
        out.writeInt(myMap.size());
        for (Map.Entry<KeyWrapper<K>, V> entry : myMap.entrySet()) {
            myKeyDescriptor.save(out, entry.getKey().myKey);
            myValueExternalizer.save(out, entry.getValue());
        }
        FileUtil.writeToFile(myFile, bos.getInternalBuffer(), 0, bos.size());
    } catch (IOException e) {
        LOG.error(e);
    } finally {
        myDirty = false;
    }
}