Java RealmFieldType类代码示例

import io.realm.RealmFieldType; //导入依赖的package包/类
/**
 * Adds a column to the table dynamically.
 *
 * @param type the column type.
 * @param name the field/column name.
 * @param isNullable {@code true} if column can contain null values, {@code false} otherwise.
 * @return the index of the new column.
 */
public long addColumn(RealmFieldType type, String name, boolean isNullable) {
    verifyColumnName(name);
    switch (type) {
        case INTEGER:
        case BOOLEAN:
        case STRING:
        case BINARY:
        case DATE:
        case FLOAT:
        case DOUBLE:
            return nativeAddColumn(nativePtr, type.getNativeValue(), name, isNullable);

        case INTEGER_LIST:
        case BOOLEAN_LIST:
        case STRING_LIST:
        case BINARY_LIST:
        case DATE_LIST:
        case FLOAT_LIST:
        case DOUBLE_LIST:
            return nativeAddPrimitiveListColumn(nativePtr, type.getNativeValue() - 128, name, isNullable);

        default:
            throw new IllegalArgumentException("Unsupported type: " + type);
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
private static SortDescriptor getInstance(
        FieldDescriptor.SchemaProxy proxy,
        Table table,
        String[] fieldDescriptions,
        @Nullable Sort[] sortOrders,
        Set<RealmFieldType> legalInternalTypes,
        Set<RealmFieldType> legalTerminalTypes,
        String message) {

    //noinspection ConstantConditions
    if (fieldDescriptions == null || fieldDescriptions.length == 0) {
        throw new IllegalArgumentException("You must provide at least one field name.");
    }

    long[][] columnIndices = new long[fieldDescriptions.length][];

    // Force aggressive parsing of the FieldDescriptors, so that only valid SortDescriptor objects are created.
    for (int i = 0; i < fieldDescriptions.length; i++) {
        FieldDescriptor descriptor = FieldDescriptor.createFieldDescriptor(proxy, table, fieldDescriptions[i], legalInternalTypes, null);
        checkFieldType(descriptor, legalTerminalTypes, message, fieldDescriptions[i]);
        columnIndices[i] = descriptor.getColumnIndices();
    }

    return new SortDescriptor(table, columnIndices, sortOrders);
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
/**
 * Create an object in the given table which has a primary key column defined, and set the primary key with given
 * value.
 *
 * @param table the table where the object is created. This table must be atached to {@link OsSharedRealm}.
 * @return a newly created {@code UncheckedRow}.
 */
public static UncheckedRow createWithPrimaryKey(Table table, @Nullable Object primaryKeyValue) {
    long primaryKeyColumnIndex = getAndVerifyPrimaryKeyColumnIndex(table);
    RealmFieldType type = table.getColumnType(primaryKeyColumnIndex);
    final OsSharedRealm sharedRealm = table.getSharedRealm();

    if (type == RealmFieldType.STRING) {
        if (primaryKeyValue != null && !(primaryKeyValue instanceof String)) {
            throw new IllegalArgumentException("Primary key value is not a String: " + primaryKeyValue);
        }
        return new UncheckedRow(sharedRealm.context, table,
                nativeCreateNewObjectWithStringPrimaryKey(sharedRealm.getNativePtr(), table.getNativePtr(),
                        primaryKeyColumnIndex, (String) primaryKeyValue));

    } else if (type == RealmFieldType.INTEGER) {
        long value = primaryKeyValue == null ? 0 : Long.parseLong(primaryKeyValue.toString());
        return new UncheckedRow(sharedRealm.context, table,
                nativeCreateNewObjectWithLongPrimaryKey(sharedRealm.getNativePtr(), table.getNativePtr(),
                        primaryKeyColumnIndex, value, primaryKeyValue == null));
    } else {
        throw new RealmException("Cannot check for duplicate rows for unsupported primary key type: " + type);
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
/**
 * Create an object in the given table which has a primary key column defined, and set the primary key with given
 * value.
 * This is used for the fast bulk insertion.
 *
 * @param table the table where the object is created.
 * @param primaryKeyColumnIndex the column index of primary key field.
 * @param primaryKeyValue the primary key value.
 * @return a newly created {@code UncheckedRow}.
 */
// FIXME: Proxy could just pass the pk index here which is much faster.
public static long createRowWithPrimaryKey(Table table, long primaryKeyColumnIndex, Object primaryKeyValue) {
    RealmFieldType type = table.getColumnType(primaryKeyColumnIndex);
    final OsSharedRealm sharedRealm = table.getSharedRealm();

    if (type == RealmFieldType.STRING) {
        if (primaryKeyValue != null && !(primaryKeyValue instanceof String)) {
            throw new IllegalArgumentException("Primary key value is not a String: " + primaryKeyValue);
        }
        return nativeCreateRowWithStringPrimaryKey(sharedRealm.getNativePtr(), table.getNativePtr(),
                primaryKeyColumnIndex, (String) primaryKeyValue);

    } else if (type == RealmFieldType.INTEGER) {
        long value = primaryKeyValue == null ? 0 : Long.parseLong(primaryKeyValue.toString());
        return nativeCreateRowWithLongPrimaryKey(sharedRealm.getNativePtr(), table.getNativePtr(),
                primaryKeyColumnIndex, value, primaryKeyValue == null);
    } else {
        throw new RealmException("Cannot check for duplicate rows for unsupported primary key type: " + type);
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Test
public void getInstanceForDistinct_multipleFields() {
    RealmFieldType stringType = RealmFieldType.STRING;
    long stringColumn = table.addColumn(stringType, stringType.name());
    table.addSearchIndex(stringColumn);
    RealmFieldType intType = RealmFieldType.INTEGER;
    long intColumn = table.addColumn(intType, intType.name());
    table.addSearchIndex(intColumn);

    SortDescriptor sortDescriptor = SortDescriptor.getInstanceForDistinct(null, table, new String[] {
            stringType.name(), intType.name()});
    assertEquals(2, sortDescriptor.getColumnIndices().length);
    assertNull(sortDescriptor.getAscendings());
    assertEquals(1, sortDescriptor.getColumnIndices()[0].length);
    assertEquals(stringColumn, sortDescriptor.getColumnIndices()[0][0]);
    assertEquals(1, sortDescriptor.getColumnIndices()[1].length);
    assertEquals(intColumn, sortDescriptor.getColumnIndices()[1][0]);
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Test
public void getInstanceForSort_multipleFields() {
    RealmFieldType stringType = RealmFieldType.STRING;
    long stringColumn = table.addColumn(stringType, stringType.name());
    RealmFieldType intType = RealmFieldType.INTEGER;
    long intColumn = table.addColumn(intType, intType.name());

    SortDescriptor sortDescriptor = SortDescriptor.getInstanceForSort(null, table, new String[] {
            stringType.name(), intType.name()}, new Sort[] {Sort.ASCENDING, Sort.DESCENDING});

    assertEquals(2, sortDescriptor.getAscendings().length);
    assertEquals(2, sortDescriptor.getColumnIndices().length);

    assertEquals(1, sortDescriptor.getColumnIndices()[0].length);
    assertEquals(stringColumn, sortDescriptor.getColumnIndices()[0][0]);
    assertTrue(sortDescriptor.getAscendings()[0]);

    assertEquals(1, sortDescriptor.getColumnIndices()[1].length);
    assertEquals(intColumn, sortDescriptor.getColumnIndices()[1][0]);
    assertFalse(sortDescriptor.getAscendings()[1]);

}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
private String getRealmRowIdentifier(int realmIndex, HashMap<Long, RealmFieldType> columnIndexRealmFieldTypeHashMap) {
    String rowIdentifier = "";

    RealmObjectProxy proxy = (RealmObjectProxy) adapterData.get(realmIndex);
    Row row = proxy.realmGet$proxyState().getRow$realm();

    for (Entry<Long, RealmFieldType> entry : columnIndexRealmFieldTypeHashMap.entrySet()) {
        switch (entry.getValue()) {
            case STRING:
                rowIdentifier += row.getString(entry.getKey());
                break;
            case INTEGER:
                rowIdentifier += String.valueOf(row.getLong(entry.getKey()));
                break;
            case BOOLEAN:
                rowIdentifier += String.valueOf(row.getBoolean(entry.getKey()));
                break;
            default:
                throw new IllegalStateException("Unsupported RealmFieldType, use only STRING, INTEGER or BOOLEAN field types");
        }
    }
    return rowIdentifier;
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Override
public BarEntry buildEntryFromResultObject(T realmObject, int xIndex) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    if (dynamicObject.getFieldType(mValuesField) == RealmFieldType.LIST) {

        RealmList<DynamicRealmObject> list = dynamicObject.getList(mValuesField);
        float[] values = new float[list.size()];

        int i = 0;
        for (DynamicRealmObject o : list) {
            values[i] = o.getFloat(mStackValueFieldName);
            i++;
        }

        return new BarEntry(values,
                mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
    } else {
        float value = dynamicObject.getFloat(mValuesField);
        return new BarEntry(value,
                mIndexField == null ? xIndex : dynamicObject.getInt(mIndexField));
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
private ArrayList<ArrayList<String>> createContent() {
    int row = mItens.size();
    int column = mTable.getColumns().size();
    ArrayList<ArrayList<String>> results = new ArrayList<>();
    for (int i = 0; i < row; i++) {
        ArrayList<String> strings = new ArrayList<>();
        DynamicRealmObject object = realm.where(mTable.getName()).findAll().get(i);
        for (int j = 0; j < column; j++) {
            String cel = "";
            try {
                if (object.get(mTable.getColumns().get(j).getName()) != null)
                    if (mTable.getColumns().get(j).getType() == RealmFieldType.LIST) {
                        cel = "RealmList<" + object.getList(mTable.getColumns().get(j).getName()).first().getType() + '>';
                    } else {
                        cel = object.get(mTable.getColumns().get(j).getName()).toString();
                    }
            } catch (NullPointerException e) {
                L.e("Except > row size: " + row + " column size: " + column + "   " + i + "/" + j);
            }
            strings.add(cel);
        }
        results.add(strings);
    }
    return results;
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Override
public BarEntry buildEntryFromResultObject(T realmObject, float x) {
    DynamicRealmObject dynamicObject = new DynamicRealmObject(realmObject);

    if (dynamicObject.getFieldType(mYValuesField) == RealmFieldType.LIST) {

        RealmList<DynamicRealmObject> list = dynamicObject.getList(mYValuesField);
        float[] values = new float[list.size()];

        int i = 0;
        for (DynamicRealmObject o : list) {
            values[i] = o.getFloat(mStackValueFieldName);
            i++;
        }

        return new BarEntry(
                mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField), values);
    } else {
        float value = dynamicObject.getFloat(mYValuesField);
        return new BarEntry(mXValuesField == null ? x : dynamicObject.getFloat(mXValuesField), value);
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Override
public boolean isNullLink(long columnIndex) {
    RealmFieldType columnType = getColumnType(columnIndex);
    if (columnType == RealmFieldType.OBJECT || columnType == RealmFieldType.LIST) {
        return super.isNullLink(columnIndex);
    } else {
        return false; // Unsupported types always return false
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
/**
 * Sets null to a row pointer with checking if a column is nullable, except when the column type
 * is binary.
 *
 * @param columnIndex 0 based index value of the cell column.
 */
@Override
public void setNull(long columnIndex) {
    RealmFieldType columnType = getColumnType(columnIndex);
    if (columnType == RealmFieldType.BINARY) {
        super.setBinaryByteArray(columnIndex, null);
    } else {
        super.setNull(columnIndex);
    }
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Override
public OsList getModelList(long columnIndex) {
    RealmFieldType fieldType = getTable().getColumnType(columnIndex);
    if (fieldType != RealmFieldType.LIST) {
        throw new IllegalArgumentException(
                String.format(Locale.US, "Field '%s' is not a 'RealmList'.",
                        getTable().getColumnName(columnIndex)));
    }
    return super.getModelList(columnIndex);
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
@Override
public OsList getValueList(long columnIndex, RealmFieldType fieldType) {
    final RealmFieldType actualFieldType = getTable().getColumnType(columnIndex);
    if (fieldType != actualFieldType) {
        throw new IllegalArgumentException(
                String.format(Locale.US, "The type of field '%1$s' is not 'RealmFieldType.%2$s'.",
                        getTable().getColumnName(columnIndex), fieldType.name()));
    }
    return super.getValueList(columnIndex, fieldType);
}
 

import io.realm.RealmFieldType; //导入依赖的package包/类
/**
 * @param fieldDescription fieldName or link path to a field name.
 * @param validInternalColumnTypes valid internal link types.
 * @param validFinalColumnTypes valid field types for the last field in a linked field
 */
protected FieldDescriptor(
        String fieldDescription, Set<RealmFieldType>
        validInternalColumnTypes,
        Set<RealmFieldType> validFinalColumnTypes) {
    this.fields = parseFieldDescription(fieldDescription);
    int nFields = fields.size();
    if (nFields <= 0) {
        throw new IllegalArgumentException("Invalid query: Empty field descriptor");
    }
    this.validInternalColumnTypes = validInternalColumnTypes;
    this.validFinalColumnTypes = validFinalColumnTypes;
}